diff --git a/core-java-8/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java b/core-java-8/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java
deleted file mode 100644
index 9ae0a16514..0000000000
--- a/core-java-8/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java
+++ /dev/null
@@ -1,97 +0,0 @@
-package com.baeldung.streamordering;
-
-import org.junit.Test;
-import org.openjdk.jmh.annotations.*;
-import org.openjdk.jmh.infra.Blackhole;
-import org.openjdk.jmh.runner.Runner;
-import org.openjdk.jmh.runner.options.Options;
-import org.openjdk.jmh.runner.options.OptionsBuilder;
-import org.openjdk.jmh.runner.options.TimeValue;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-import java.util.concurrent.TimeUnit;
-import java.util.stream.IntStream;
-
-
-public class BenchmarkUnitTest
-{
-
-  @Test
-  public void
-  launchBenchmark() throws Exception {
-
-    Options opt = new OptionsBuilder()
-      // Specify which benchmarks to run.
-      // You can be more specific if you'd like to run only one benchmark per test.
-      .include(this.getClass().getName() + ".*")
-      // Set the following options as needed
-      .mode (Mode.AverageTime)
-      .timeUnit(TimeUnit.MICROSECONDS)
-      .warmupTime(TimeValue.seconds(1))
-      .warmupIterations(2)
-      .measurementTime(TimeValue.seconds(1))
-      .measurementIterations(2)
-      .threads(2)
-      .forks(1)
-      .shouldFailOnError(true)
-      .shouldDoGC(true)
-      //.jvmArgs("-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining")
-      //.addProfiler(WinPerfAsmProfiler.class)
-      .build();
-
-    new Runner(opt).run();
-
-
-  }
-
-  @Benchmark
-  public void givenOrderedStreamInput_whenStreamFiltered_showOpsPerMS(){
-    IntStream.range(1, 100_000_000).parallel().filter(i -> i % 10 == 0).toArray();
-  }
-
-  @Benchmark
-  public void givenUnorderedStreamInput_whenStreamFiltered_showOpsPerMS(){
-    IntStream.range(1,100_000_000).unordered().parallel().filter(i -> i % 10 == 0).toArray();
-  }
-
-  @Benchmark
-  public void givenUnorderedStreamInput_whenStreamDistinct_showOpsPerMS(){
-    IntStream.range(1, 1_000_000).unordered().parallel().distinct().toArray();
-  }
-
-  @Benchmark
-  public void givenOrderedStreamInput_whenStreamDistinct_showOpsPerMS() {
-    //section 5.1.
-    IntStream.range(1, 1_000_000).parallel().distinct().toArray();
-  }
-
-
-  // The JMH samples are the best documentation for how to use it
-  // http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/
-  @State(Scope.Thread)
-  public static class BenchmarkState
-  {
-    List<Integer> list;
-
-    @Setup(Level.Trial) public void
-    initialize() {
-
-      Random rand = new Random();
-
-      list = new ArrayList<>();
-      for (int i = 0; i < 1000; i++)
-        list.add (rand.nextInt());
-    }
-  }
-
-  @Benchmark public void
-  benchmark1 (BenchmarkState state, Blackhole bh) {
-
-    List<Integer> list = state.list;
-
-    for (int i = 0; i < 1000; i++)
-      bh.consume (list.get (i));
-  }
-}
diff --git a/core-java-8/src/test/java/com/baeldung/streamordering/StreamsOrderingUnitTest.java b/core-java-8/src/test/java/com/baeldung/streamordering/StreamsOrderingUnitTest.java
deleted file mode 100644
index 43a233d353..0000000000
--- a/core-java-8/src/test/java/com/baeldung/streamordering/StreamsOrderingUnitTest.java
+++ /dev/null
@@ -1,149 +0,0 @@
-package com.baeldung.streamordering;
-
-import org.junit.Before;
-import org.junit.Test;
-
-import java.util.*;
-import java.util.function.Function;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import java.util.stream.Collectors;
-import java.util.stream.IntStream;
-
-import static org.junit.Assert.assertEquals;
-
-public class StreamsOrderingUnitTest {
-
-  Logger logger = Logger.getLogger( StreamsOrderingUnitTest.class.getName());
-
-  @Before
-  public void setUp() throws Exception {
-    logger.setLevel(Level.ALL);
-  }
-
-  @Test
-  public void givenTwoCollections_whenStreamed_thenCheckOutputDifferent(){
-
-    List<String> list = Arrays.asList("B", "A", "C", "D", "F");
-    Set<String> set = new TreeSet<>(Arrays.asList("B", "A", "C", "D", "F"));
-
-    Object[] listOutput = list.stream().toArray();
-    Object[] setOutput = set.stream().toArray();
-
-    assertEquals("[B, A, C, D, F]", Arrays.toString(listOutput));
-    assertEquals("[A, B, C, D, F]", Arrays.toString(setOutput));
-
-  }
-
-  @Test
-  public void givenTwoCollections_whenStreamedInParallel_thenCheckOutputDifferent(){
-
-    List<String> list = Arrays.asList("B", "A", "C", "D", "F");
-    Set<String> set = new TreeSet<>(Arrays.asList("B", "A", "C", "D", "F"));
-
-    Object[] listOutput = list.stream().parallel().toArray();
-    Object[] setOutput = set.stream().parallel().toArray();
-
-    assertEquals("[B, A, C, D, F]", Arrays.toString(listOutput));
-    assertEquals("[A, B, C, D, F]", Arrays.toString(setOutput));
-
-  }
-
-
-
-  @Test
-  public void givenOrderedInput_whenUnorderedAndOrderedCompared_thenCheckUnorderedOutputChanges(){
-    Set<Integer> set = new TreeSet<>(
-      Arrays.asList(-9, -5, -4, -2, 1, 2, 4, 5, 7, 9, 12, 13, 16, 29, 23, 34, 57, 68, 90, 102, 230));
-
-      Object[] orderedArray = set.stream()
-        .parallel()
-        .limit(5)
-        .toArray();
-      Object[] unorderedArray = set.stream()
-        .unordered()
-        .parallel()
-        .limit(5)
-        .toArray();
-
-     logger.info(Arrays.toString(orderedArray));
-     logger.info(Arrays.toString(unorderedArray));
-  }
-
-
-  @Test
-  public void givenUnsortedStreamInput_whenStreamSorted_thenCheckOrderChanged(){
-
-    List<Integer> list = Arrays.asList(-3,10,-4,1,3);
-
-    Object[] listOutput = list.stream().toArray();
-    Object[] listOutputSorted = list.stream().sorted().toArray();
-
-    assertEquals("[-3, 10, -4, 1, 3]", Arrays.toString(listOutput));
-    assertEquals("[-4, -3, 1, 3, 10]", Arrays.toString(listOutputSorted));
-
-  }
-
-  @Test
-  public void givenUnsortedStreamInput_whenStreamDistinct_thenShowTimeTaken(){
-    long start, end;
-    start = System.currentTimeMillis();
-    IntStream.range(1,1_000_000).unordered().parallel().distinct().toArray();
-    end = System.currentTimeMillis();
-    System.out.println(String.format("Time taken when unordered: %d ms", (end - start)));
-  }
-
-
-  @Test
-  public void givenSameCollection_whenStreamTerminated_thenCheckEachVsEachOrdered(){
-
-    List<String> list = Arrays.asList("B", "A", "C", "D", "F");
-
-    list.stream().parallel().forEach(e -> logger.log(Level.INFO, e));
-    list.stream().parallel().forEachOrdered(e -> logger.log(Level.INFO, e));
-
-  }
-
-  @Test
-  public void givenSameCollection_whenStreamCollected_thenCheckOutput(){
-
-    List<String> list = Arrays.asList("B", "A", "C", "D", "F");
-
-    List<String> collectionList = list.stream().parallel().collect(Collectors.toList());
-    Set<String> collectionSet = list.stream().parallel().collect(Collectors.toCollection(TreeSet::new));
-
-    assertEquals("[B, A, C, D, F]", collectionList.toString());
-    assertEquals("[A, B, C, D, F]", collectionSet.toString());
-
-  }
-
-
-  @Test
-  public void givenListIterationOrder_whenStreamCollectedToMap_thenCeckOrderChanged() {
-    List<String> list = Arrays.asList("A", "BB", "CCC");
-
-    Map<String, Integer> hashMap = list.stream().collect(Collectors.toMap(Function.identity(), String::length));
-
-    Object[] keySet = hashMap.keySet().toArray();
-
-    assertEquals("[BB, A, CCC]", Arrays.toString(keySet));
-
-  }
-
-  @Test
-  public void givenListIteration_whenStreamCollectedtoHashMap_thenCheckOrderMaintained() {
-    List<String> list = Arrays.asList("A", "BB", "CCC", "CCC");
-
-    Map<String, Integer> linkedHashMap = list.stream().collect(Collectors.toMap(
-      Function.identity(),
-      String::length,
-      (u, v) -> u,
-      LinkedHashMap::new
-    ));
-
-    Object[] keySet = linkedHashMap.keySet().toArray();
-
-    assertEquals("[A, BB, CCC]", Arrays.toString(keySet));
-  }
-
-}
diff --git a/core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java b/core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java
new file mode 100644
index 0000000000..bebffe52f1
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java
@@ -0,0 +1,45 @@
+/**
+ * 
+ */
+package com.baeldung.string;
+
+/**
+ * @author swpraman
+ *
+ */
+public class AppendCharAtPositionX {
+    
+    public String addCharUsingCharArray(String str, char ch, int position) {
+        validate(str, position);
+        int len = str.length();
+        char[] updatedArr = new char[len + 1];
+        str.getChars(0, position, updatedArr, 0);
+        updatedArr[position] = ch;
+        str.getChars(position, len, updatedArr, position + 1);
+        return new String(updatedArr);
+    }
+
+    public String addCharUsingSubstring(String str, char ch, int position) {
+        validate(str, position);
+        return str.substring(0, position) + ch + str.substring(position);
+    }
+
+    public String addCharUsingStringBuilder(String str, char ch, int position) {
+        validate(str, position);
+        StringBuilder sb = new StringBuilder(str);
+        sb.insert(position, ch);
+        return sb.toString();
+    }
+    
+    private void validate(String str, int position) {
+        if (str == null) {
+            throw new IllegalArgumentException("Str should not be null");
+        }
+        int len = str.length();
+        if (position < 0 || position > len) {
+            throw new IllegalArgumentException("position[" + position + "] should be " 
+                            + "in the range 0.." + len + " for string " + str);
+        }
+    }
+
+}
diff --git a/core-java/src/test/java/com/baeldung/linesintersection/LinesIntersectionServiceUnitTest.java b/core-java/src/test/java/com/baeldung/linesintersection/LinesIntersectionServiceUnitTest.java
index 47f1fd45a1..640115a8a0 100644
--- a/core-java/src/test/java/com/baeldung/linesintersection/LinesIntersectionServiceUnitTest.java
+++ b/core-java/src/test/java/com/baeldung/linesintersection/LinesIntersectionServiceUnitTest.java
@@ -23,7 +23,7 @@ public class LinesIntersectionServiceUnitTest {
 
         assertTrue(point.isPresent());
         assertEquals(point.get().getX(), 1, 0.001);
-        assertEquals(point.get().getX(), 1, 0.001);
+        assertEquals(point.get().getY(), 0, 0.001);
     }
 
     @Test
diff --git a/core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java b/core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java
new file mode 100644
index 0000000000..2cdf6145d3
--- /dev/null
+++ b/core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java
@@ -0,0 +1,110 @@
+/**
+ * 
+ */
+package com.baeldung.string;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * @author swpraman
+ *
+ */
+public class AppendCharAtPositionXUnitTest {
+    
+    private AppendCharAtPositionX appendCharAtPosition = new AppendCharAtPositionX();
+    private String word = "Titanc";
+    private char letter = 'i';
+    
+    @Test
+    public void whenUsingCharacterArrayAndCharacterAddedAtBeginning_shouldAddCharacter() {
+        assertEquals("iTitanc", appendCharAtPosition.addCharUsingCharArray(word, letter, 0));
+    }
+    
+    @Test
+    public void whenUsingSubstringAndCharacterAddedAtBeginning_shouldAddCharacter() {
+        assertEquals("iTitanc", appendCharAtPosition.addCharUsingSubstring(word, letter, 0));
+    }  
+    
+    @Test
+    public void whenUsingStringBuilderAndCharacterAddedAtBeginning_shouldAddCharacter() {
+        assertEquals("iTitanc", appendCharAtPosition.addCharUsingStringBuilder(word, letter, 0));
+    }
+    
+    @Test
+    public void whenUsingCharacterArrayAndCharacterAddedAtMiddle_shouldAddCharacter() {
+        assertEquals("Titianc", appendCharAtPosition.addCharUsingCharArray(word, letter, 3));
+    }
+    
+    @Test
+    public void whenUsingSubstringAndCharacterAddedAtMiddle_shouldAddCharacter() {
+        assertEquals("Titianc", appendCharAtPosition.addCharUsingSubstring(word, letter, 3));
+    }  
+    
+    @Test
+    public void whenUsingStringBuilderAndCharacterAddedAtMiddle_shouldAddCharacter() {
+        assertEquals("Titianc", appendCharAtPosition.addCharUsingStringBuilder(word, letter, 3));
+    }
+    
+    @Test
+    public void whenUsingCharacterArrayAndCharacterAddedAtEnd_shouldAddCharacter() {
+        assertEquals("Titanci", appendCharAtPosition.addCharUsingCharArray(word, letter, word.length()));
+    }
+    
+    @Test
+    public void whenUsingSubstringAndCharacterAddedAtEnd_shouldAddCharacter() {
+        assertEquals("Titanci", appendCharAtPosition.addCharUsingSubstring(word, letter, word.length()));
+    }  
+    
+    @Test
+    public void whenUsingStringBuilderAndCharacterAddedAtEnd_shouldAddCharacter() {
+        assertEquals("Titanci", appendCharAtPosition.addCharUsingStringBuilder(word, letter, word.length()));
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingCharacterArrayAndCharacterAddedAtNegativePosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, -1);
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingSubstringAndCharacterAddedAtNegativePosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, -1);
+    }  
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingStringBuilderAndCharacterAddedAtNegativePosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, -1);
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingCharacterArrayAndCharacterAddedAtInvalidPosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, word.length() + 2);
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingSubstringAndCharacterAddedAtInvalidPosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, word.length() + 2);
+    }  
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingStringBuilderAndCharacterAddedAtInvalidPosition_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(word, letter, word.length() + 2);
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingCharacterArrayAndCharacterAddedAtPositionXAndStringIsNull_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(null, letter, 3);
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingSubstringAndCharacterAddedAtPositionXAndStringIsNull_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(null, letter, 3);
+    }  
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenUsingStringBuilderAndCharacterAddedAtPositionXAndStringIsNull_shouldThrowException() {
+        appendCharAtPosition.addCharUsingStringBuilder(null, letter, 3);
+    }
+ 
+}
diff --git a/java-streams/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java b/java-streams/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java
index 9ae0a16514..ba1cb1f726 100644
--- a/java-streams/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java
+++ b/java-streams/src/test/java/com/baeldung/streamordering/BenchmarkUnitTest.java
@@ -18,7 +18,6 @@ import java.util.stream.IntStream;
 public class BenchmarkUnitTest
 {
 
-  @Test
   public void
   launchBenchmark() throws Exception {
 
diff --git a/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java
new file mode 100644
index 0000000000..f236c641c3
--- /dev/null
+++ b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java
@@ -0,0 +1,67 @@
+package com.baeldung.string.formatter;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.TimeZone;
+
+import static org.junit.Assert.assertEquals;
+
+public class DateToStringFormatterUnitTest {
+
+    private static final String DATE_FORMAT = "MMM d, yyyy HH:mm a";
+    private static final String EXPECTED_STRING_DATE = "Aug 1, 2018 12:00 PM";
+    private static Date date;
+
+    @BeforeClass
+    public static void setUp() {
+        TimeZone.setDefault(TimeZone.getTimeZone("CET"));
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(2018, Calendar.AUGUST, 1, 12, 0);
+        date = calendar.getTime();
+    }
+
+    @Test
+    public void whenDateConvertedUsingSimpleDateFormatToString_thenCorrect() {
+        DateFormat formatter = new SimpleDateFormat(DATE_FORMAT);
+        String formattedDate = formatter.format(date);
+
+        assertEquals(EXPECTED_STRING_DATE, formattedDate);
+    }
+
+    @Test
+    public void whenDateConvertedUsingDateFormatToString_thenCorrect() {
+        String formattedDate = DateFormat
+          .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT)
+          .format(date);
+
+        assertEquals(EXPECTED_STRING_DATE, formattedDate);
+    }
+
+    @Test
+    public void whenDateConvertedUsingFormatterToString_thenCorrect() {
+        String formattedDate = String.format("%1$tb %1$te, %1$tY %1$tI:%1$tM %1$Tp", date);
+
+        assertEquals(EXPECTED_STRING_DATE, formattedDate);
+    }
+
+    @Test
+    public void whenDateConvertedUsingDateTimeApiToString_thenCorrect() {
+        DateTimeFormatter fmt = DateTimeFormatter.ofPattern(DATE_FORMAT);
+        Instant instant = date.toInstant();
+        LocalDateTime ldt = instant
+          .atZone(ZoneId.of("CET"))
+          .toLocalDateTime();
+        String formattedDate = ldt.format(fmt);
+
+        assertEquals(EXPECTED_STRING_DATE, formattedDate);
+    }
+}
diff --git a/jersey/src/main/java/com/baeldung/jersey/server/Responder.java b/jersey/src/main/java/com/baeldung/jersey/server/Responder.java
new file mode 100644
index 0000000000..cb0c976fe3
--- /dev/null
+++ b/jersey/src/main/java/com/baeldung/jersey/server/Responder.java
@@ -0,0 +1,102 @@
+package com.baeldung.jersey.server;
+
+import com.baeldung.jersey.server.model.Person;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+@Path("/response")
+public class Responder {
+
+    @GET
+    @Path("/ok")
+    public Response getOkResponse() {
+
+        String message = "This is a text response";
+
+        return Response
+          .status(Response.Status.OK)
+          .entity(message)
+          .build();
+    }
+
+    @GET
+    @Path("/not_ok")
+    public Response getNOkTextResponse() {
+
+        String message = "There was an internal server error";
+
+        return Response
+          .status(Response.Status.INTERNAL_SERVER_ERROR)
+          .entity(message)
+          .build();
+    }
+
+    @GET
+    @Path("/text_plain")
+    public Response getTextResponseTypeDefined() {
+
+        String message = "This is a plain text response";
+
+        return Response
+          .status(Response.Status.OK)
+          .entity(message)
+          .type(MediaType.TEXT_PLAIN)
+          .build();
+    }
+
+    @GET
+    @Path("/text_plain_annotation")
+    @Produces({ MediaType.TEXT_PLAIN })
+    public Response getTextResponseTypeAnnotated() {
+
+        String message = "This is a plain text response via annotation";
+
+        return Response
+          .status(Response.Status.OK)
+          .entity(message)
+          .build();
+    }
+
+    @GET
+    @Path("/pojo")
+    public Response getPojoResponse() {
+
+        Person person = new Person("Abh", "Nepal");
+
+        return Response
+          .status(Response.Status.OK)
+          .entity(person)
+          .build();
+    }
+
+    @GET
+    @Path("/json")
+    public Response getJsonResponse() {
+
+        String message = "{\"hello\": \"This is a JSON response\"}";
+
+        return Response
+          .status(Response.Status.OK)
+          .entity(message)
+          .type(MediaType.APPLICATION_JSON)
+          .build();
+    }
+
+    @GET
+    @Path("/xml")
+    @Produces(MediaType.TEXT_XML)
+    public String sayXMLHello() {
+        return "<?xml version=\"1.0\"?>" + "<hello> This is a xml response </hello>";
+    }
+
+    @GET
+    @Path("/html")
+    @Produces(MediaType.TEXT_HTML)
+    public String sayHtmlHello() {
+        return "<html> " + "<title>" + " This is a html title  </title>" + "<body><h1>" + " This is a html response body " + "</body></h1>" + "</html> ";
+    }
+}
\ No newline at end of file
diff --git a/jersey/src/main/java/com/baeldung/jersey/server/model/Person.java b/jersey/src/main/java/com/baeldung/jersey/server/model/Person.java
new file mode 100644
index 0000000000..98c86bbc3d
--- /dev/null
+++ b/jersey/src/main/java/com/baeldung/jersey/server/model/Person.java
@@ -0,0 +1,32 @@
+package com.baeldung.jersey.server.model;
+
+public class Person {
+    String name;
+    String address;
+
+    public Person(String name, String address) {
+        this.name = name;
+        this.address = address;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+    @Override
+    public String toString() {
+        return "Person [name: " + getName() + " address: " + getAddress() + "]";
+    }
+}
\ No newline at end of file
diff --git a/jpa-storedprocedure/README.md b/jpa-storedprocedure/README.md
deleted file mode 100644
index 39d6784d8b..0000000000
--- a/jpa-storedprocedure/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-### Relevant Articles:
-- [A Guide to Stored Procedures with JPA](http://www.baeldung.com/jpa-stored-procedures)
diff --git a/jpa-storedprocedure/pom.xml b/jpa-storedprocedure/pom.xml
deleted file mode 100644
index 79fa637cb6..0000000000
--- a/jpa-storedprocedure/pom.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
-    <artifactId>jpa-storedprocedure</artifactId>
-    <version>1.0</version>
-    <packaging>jar</packaging>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
-
-    <dependencies>
-        <!-- core library -->
-        <dependency>
-            <groupId>javax</groupId>
-            <artifactId>javaee-api</artifactId>
-            <version>${jee.version}</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.hibernate</groupId>
-            <artifactId>hibernate-entitymanager</artifactId>
-            <version>${hibernate.version}</version>
-        </dependency>
-        <!-- MySql JDBC -->
-        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <finalName>JpaStoredProcedure</finalName>
-        <plugins>
-            <plugin>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <configuration>
-                    <archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
-                    <!--archive> <manifest> <mainClass>fully.qualified.MainClass</mainClass> </manifest> </archive -->
-                    <descriptorRefs>
-                        <descriptorRef>jar-with-dependencies</descriptorRef>
-                    </descriptorRefs>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <properties>
-        <jee.version>7.0</jee.version>
-        <hibernate.version>5.2.5.Final</hibernate.version>
-        <mysql.version>6.0.5</mysql.version>
-        <commons-io.version>2.5</commons-io.version>
-    </properties>
-
-</project>
\ No newline at end of file
diff --git a/jpa-storedprocedure/src/main/resources/META-INF/persistence.xml b/jpa-storedprocedure/src/main/resources/META-INF/persistence.xml
deleted file mode 100644
index 4c443cb7cf..0000000000
--- a/jpa-storedprocedure/src/main/resources/META-INF/persistence.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
-			 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-			 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
-             http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
-			 version="2.1">
-
-	<persistence-unit name="jpa-db">
-		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-		<class>com.baeldung.jpa.model.Car</class>
-		<properties>
-			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
-			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung" />
-			<property name="javax.persistence.jdbc.user" value="baeldung" />
-			<property name="javax.persistence.jdbc.password" value="YourPassword" />
-			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
-			<property name="hibernate.show_sql" value="true" />
-		</properties>
-	</persistence-unit>
-</persistence>
\ No newline at end of file
diff --git a/jpa-storedprocedure/src/main/resources/logback.xml b/jpa-storedprocedure/src/main/resources/logback.xml
deleted file mode 100644
index 7d900d8ea8..0000000000
--- a/jpa-storedprocedure/src/main/resources/logback.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration>
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
-            </pattern>
-        </encoder>
-    </appender>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT" />
-    </root>
-</configuration>
\ No newline at end of file
diff --git a/libraries-server/README.md b/libraries-server/README.md
new file mode 100644
index 0000000000..c25e9a10ab
--- /dev/null
+++ b/libraries-server/README.md
@@ -0,0 +1,9 @@
+### Relevant articles
+
+- [Embedded Jetty Server in Java](http://www.baeldung.com/jetty-embedded)
+- [Introduction to Netty](http://www.baeldung.com/netty)
+- [Exceptions in Netty](http://www.baeldung.com/netty-exception-handling)
+- [Programatically Create, Configure, and Run a Tomcat Server](http://www.baeldung.com/tomcat-programmatic-setup)
+- [Creating and Configuring Jetty 9 Server in Java](http://www.baeldung.com/jetty-java-programmatic)
+- [Testing Netty with EmbeddedChannel](http://www.baeldung.com/testing-netty-embedded-channel)
+
diff --git a/libraries-server/pom.xml b/libraries-server/pom.xml
index 517cf6a07c..6fca09faf4 100644
--- a/libraries-server/pom.xml
+++ b/libraries-server/pom.xml
@@ -14,6 +14,73 @@
             <groupId>org.eclipse.paho</groupId>
             <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
             <version>1.2.0</version>
-        </dependency>	
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.assertj/assertj-core -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-server</artifactId>
+            <version>${jetty.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-servlet</artifactId>
+            <version>${jetty.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-webapp</artifactId>
+            <version>${jetty.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons.io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-all</artifactId>
+            <version>${netty.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+		
+        <!-- tomcat -->
+        <dependency>
+            <groupId>org.apache.tomcat</groupId>
+            <artifactId>tomcat-catalina</artifactId>
+            <version>${tomcat.version}</version>
+        </dependency>
     </dependencies>
- </project>
\ No newline at end of file
+
+    <properties>
+        <assertj.version>3.6.2</assertj.version>
+        <httpclient.version>4.5.3</httpclient.version>
+        <commons.io.version>2.5</commons.io.version>
+        <jetty.version>9.4.8.v20171121</jetty.version>
+        <netty.version>4.1.20.Final</netty.version>
+        <commons.collections.version>4.1</commons.collections.version>
+        <junit.version>4.12</junit.version>
+        <tomcat.version>8.5.24</tomcat.version>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/libraries/src/main/java/com/baeldung/jetty/AsyncServlet.java b/libraries-server/src/main/java/com/baeldung/jetty/AsyncServlet.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/jetty/AsyncServlet.java
rename to libraries-server/src/main/java/com/baeldung/jetty/AsyncServlet.java
diff --git a/libraries/src/main/java/com/baeldung/jetty/BlockingServlet.java b/libraries-server/src/main/java/com/baeldung/jetty/BlockingServlet.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/jetty/BlockingServlet.java
rename to libraries-server/src/main/java/com/baeldung/jetty/BlockingServlet.java
diff --git a/libraries/src/main/java/com/baeldung/jetty/JettyServer.java b/libraries-server/src/main/java/com/baeldung/jetty/JettyServer.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/jetty/JettyServer.java
rename to libraries-server/src/main/java/com/baeldung/jetty/JettyServer.java
diff --git a/libraries/src/main/java/com/baeldung/jetty/JettyServerFactory.java b/libraries-server/src/main/java/com/baeldung/jetty/JettyServerFactory.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/jetty/JettyServerFactory.java
rename to libraries-server/src/main/java/com/baeldung/jetty/JettyServerFactory.java
diff --git a/libraries/src/main/java/com/baeldung/jetty/LoggingRequestHandler.java b/libraries-server/src/main/java/com/baeldung/jetty/LoggingRequestHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/jetty/LoggingRequestHandler.java
rename to libraries-server/src/main/java/com/baeldung/jetty/LoggingRequestHandler.java
diff --git a/libraries/src/main/java/com/baeldung/netty/CalculatorOperationHandler.java b/libraries-server/src/main/java/com/baeldung/netty/CalculatorOperationHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/CalculatorOperationHandler.java
rename to libraries-server/src/main/java/com/baeldung/netty/CalculatorOperationHandler.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ChannelHandlerA.java b/libraries-server/src/main/java/com/baeldung/netty/ChannelHandlerA.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ChannelHandlerA.java
rename to libraries-server/src/main/java/com/baeldung/netty/ChannelHandlerA.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ChannelHandlerB.java b/libraries-server/src/main/java/com/baeldung/netty/ChannelHandlerB.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ChannelHandlerB.java
rename to libraries-server/src/main/java/com/baeldung/netty/ChannelHandlerB.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ClientHandler.java b/libraries-server/src/main/java/com/baeldung/netty/ClientHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ClientHandler.java
rename to libraries-server/src/main/java/com/baeldung/netty/ClientHandler.java
diff --git a/libraries/src/main/java/com/baeldung/netty/HttpMessageHandler.java b/libraries-server/src/main/java/com/baeldung/netty/HttpMessageHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/HttpMessageHandler.java
rename to libraries-server/src/main/java/com/baeldung/netty/HttpMessageHandler.java
diff --git a/libraries/src/main/java/com/baeldung/netty/NettyClient.java b/libraries-server/src/main/java/com/baeldung/netty/NettyClient.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/NettyClient.java
rename to libraries-server/src/main/java/com/baeldung/netty/NettyClient.java
diff --git a/libraries/src/main/java/com/baeldung/netty/NettyServer.java b/libraries-server/src/main/java/com/baeldung/netty/NettyServer.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/NettyServer.java
rename to libraries-server/src/main/java/com/baeldung/netty/NettyServer.java
diff --git a/libraries/src/main/java/com/baeldung/netty/NettyServerB.java b/libraries-server/src/main/java/com/baeldung/netty/NettyServerB.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/NettyServerB.java
rename to libraries-server/src/main/java/com/baeldung/netty/NettyServerB.java
diff --git a/libraries/src/main/java/com/baeldung/netty/Operation.java b/libraries-server/src/main/java/com/baeldung/netty/Operation.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/Operation.java
rename to libraries-server/src/main/java/com/baeldung/netty/Operation.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ProcessingHandler.java b/libraries-server/src/main/java/com/baeldung/netty/ProcessingHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ProcessingHandler.java
rename to libraries-server/src/main/java/com/baeldung/netty/ProcessingHandler.java
diff --git a/libraries/src/main/java/com/baeldung/netty/RequestData.java b/libraries-server/src/main/java/com/baeldung/netty/RequestData.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/RequestData.java
rename to libraries-server/src/main/java/com/baeldung/netty/RequestData.java
diff --git a/libraries/src/main/java/com/baeldung/netty/RequestDataEncoder.java b/libraries-server/src/main/java/com/baeldung/netty/RequestDataEncoder.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/RequestDataEncoder.java
rename to libraries-server/src/main/java/com/baeldung/netty/RequestDataEncoder.java
diff --git a/libraries/src/main/java/com/baeldung/netty/RequestDecoder.java b/libraries-server/src/main/java/com/baeldung/netty/RequestDecoder.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/RequestDecoder.java
rename to libraries-server/src/main/java/com/baeldung/netty/RequestDecoder.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ResponseData.java b/libraries-server/src/main/java/com/baeldung/netty/ResponseData.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ResponseData.java
rename to libraries-server/src/main/java/com/baeldung/netty/ResponseData.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ResponseDataDecoder.java b/libraries-server/src/main/java/com/baeldung/netty/ResponseDataDecoder.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ResponseDataDecoder.java
rename to libraries-server/src/main/java/com/baeldung/netty/ResponseDataDecoder.java
diff --git a/libraries/src/main/java/com/baeldung/netty/ResponseDataEncoder.java b/libraries-server/src/main/java/com/baeldung/netty/ResponseDataEncoder.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/ResponseDataEncoder.java
rename to libraries-server/src/main/java/com/baeldung/netty/ResponseDataEncoder.java
diff --git a/libraries/src/main/java/com/baeldung/netty/SimpleProcessingHandler.java b/libraries-server/src/main/java/com/baeldung/netty/SimpleProcessingHandler.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/netty/SimpleProcessingHandler.java
rename to libraries-server/src/main/java/com/baeldung/netty/SimpleProcessingHandler.java
diff --git a/libraries/src/main/java/com/baeldung/tomcat/MyFilter.java b/libraries-server/src/main/java/com/baeldung/tomcat/MyFilter.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/tomcat/MyFilter.java
rename to libraries-server/src/main/java/com/baeldung/tomcat/MyFilter.java
diff --git a/libraries/src/main/java/com/baeldung/tomcat/MyServlet.java b/libraries-server/src/main/java/com/baeldung/tomcat/MyServlet.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/tomcat/MyServlet.java
rename to libraries-server/src/main/java/com/baeldung/tomcat/MyServlet.java
diff --git a/libraries/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java b/libraries-server/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java
rename to libraries-server/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java
diff --git a/libraries/src/test/java/com/baeldung/jetty/JettyIntegrationTest.java b/libraries-server/src/test/java/com/baeldung/jetty/JettyIntegrationTest.java
similarity index 100%
rename from libraries/src/test/java/com/baeldung/jetty/JettyIntegrationTest.java
rename to libraries-server/src/test/java/com/baeldung/jetty/JettyIntegrationTest.java
diff --git a/libraries/src/test/java/com/baeldung/jetty/JettyServerFactoryUnitTest.java b/libraries-server/src/test/java/com/baeldung/jetty/JettyServerFactoryUnitTest.java
similarity index 100%
rename from libraries/src/test/java/com/baeldung/jetty/JettyServerFactoryUnitTest.java
rename to libraries-server/src/test/java/com/baeldung/jetty/JettyServerFactoryUnitTest.java
diff --git a/libraries/src/test/java/com/baeldung/netty/EmbeddedChannelUnitTest.java b/libraries-server/src/test/java/com/baeldung/netty/EmbeddedChannelUnitTest.java
similarity index 100%
rename from libraries/src/test/java/com/baeldung/netty/EmbeddedChannelUnitTest.java
rename to libraries-server/src/test/java/com/baeldung/netty/EmbeddedChannelUnitTest.java
diff --git a/libraries/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatIntegrationTest.java b/libraries-server/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatIntegrationTest.java
similarity index 100%
rename from libraries/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatIntegrationTest.java
rename to libraries-server/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatIntegrationTest.java
diff --git a/libraries/src/test/resources/jetty-embedded-demo-app.war b/libraries-server/src/test/resources/jetty-embedded-demo-app.war
similarity index 100%
rename from libraries/src/test/resources/jetty-embedded-demo-app.war
rename to libraries-server/src/test/resources/jetty-embedded-demo-app.war
diff --git a/libraries/README.md b/libraries/README.md
index aad3a644ad..c2c4b2718a 100644
--- a/libraries/README.md
+++ b/libraries/README.md
@@ -5,13 +5,11 @@
 - [String Processing with Apache Commons Lang 3](http://www.baeldung.com/string-processing-commons-lang)
 - [Introduction to Javatuples](http://www.baeldung.com/java-tuples)
 - [Introduction to Javassist](http://www.baeldung.com/javassist)
-- [Embedded Jetty Server in Java](http://www.baeldung.com/jetty-embedded)
 - [Introduction to Apache Flink with Java](http://www.baeldung.com/apache-flink)
 - [Introduction to JSONassert](http://www.baeldung.com/jsonassert)
 - [Intro to JaVers](http://www.baeldung.com/javers)
 - [Introduction to Apache Commons Math](http://www.baeldung.com/apache-commons-math)
 - [Intro to Serenity BDD](http://www.baeldung.com/serenity-bdd)
-- [Introduction to Netty](http://www.baeldung.com/netty)
 - [Merging Streams in Java](http://www.baeldung.com/java-merge-streams)
 - [Serenity BDD and Screenplay](http://www.baeldung.com/serenity-screenplay)
 - [Introduction to Quartz](http://www.baeldung.com/quartz)
@@ -54,10 +52,7 @@
 - [Introduction to BouncyCastle with Java](http://www.baeldung.com/java-bouncy-castle)
 - [Guide to google-http-client](http://www.baeldung.com/google-http-client)
 - [Interact with Google Sheets from Java](http://www.baeldung.com/google-sheets-java-client)
-- [Programatically Create, Configure, and Run a Tomcat Server](http://www.baeldung.com/tomcat-programmatic-setup)
 - [A Docker Guide for Java](http://www.baeldung.com/docker-java-api)
-- [Exceptions in Netty](http://www.baeldung.com/netty-exception-handling)
-- [Creating and Configuring Jetty 9 Server in Java](http://www.baeldung.com/jetty-java-programmatic)
 - [Introduction To OpenCSV](http://www.baeldung.com/opencsv)
 - [Introduction to Akka Actors in Java](http://www.baeldung.com/akka-actors-java)
 - [Asynchronous HTTP with async-http-client in Java](http://www.baeldung.com/async-http-client)
@@ -77,7 +72,6 @@
 - [Publish and Receive Messages with Nats Java Client](http://www.baeldung.com/nats-java-client)
 - [Java Concurrency Utility with JCTools](http://www.baeldung.com/java-concurrency-jc-tools)
 - [Apache Commons Collections MapUtils](http://www.baeldung.com/apache-commons-map-utils)
-- [Testing Netty with EmbeddedChannel](http://www.baeldung.com/testing-netty-embedded-channel)
 - [Creating REST Microservices with Javalin](http://www.baeldung.com/javalin-rest-microservices)
 - [Introduction to JavaPoet](http://www.baeldung.com/java-poet)
 - [Introduction to Joda-Time](http://www.baeldung.com/joda-time)
diff --git a/libraries/pom.xml b/libraries/pom.xml
index 6b1f842aeb..80e3303ba5 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -106,21 +106,6 @@
             <artifactId>javers-core</artifactId>
             <version>${javers.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.eclipse.jetty</groupId>
-            <artifactId>jetty-server</artifactId>
-            <version>${jetty.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.eclipse.jetty</groupId>
-            <artifactId>jetty-servlet</artifactId>
-            <version>${jetty.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.eclipse.jetty</groupId>
-            <artifactId>jetty-webapp</artifactId>
-            <version>${jetty.version}</version>
-        </dependency>
 
         <dependency>
             <groupId>io.nats</groupId>
@@ -379,11 +364,6 @@
             <artifactId>jmh-generator-annprocess</artifactId>
             <version>${jmh.version}</version>
         </dependency>
-        <dependency>
-            <groupId>io.netty</groupId>
-            <artifactId>netty-all</artifactId>
-            <version>${netty.version}</version>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
@@ -658,13 +638,7 @@
             <classifier>test</classifier>
             <scope>test</scope>
         </dependency>
-
-        <!-- tomcat -->
-        <dependency>
-            <groupId>org.apache.tomcat</groupId>
-            <artifactId>tomcat-catalina</artifactId>
-            <version>${tomcat.version}</version>
-        </dependency>
+		
         <dependency>
             <groupId>org.milyn</groupId>
             <artifactId>milyn-smooks-all</artifactId>
@@ -924,7 +898,6 @@
         <commons.io.version>2.5</commons.io.version>
         <commons.dbutils.version>1.6</commons.dbutils.version>
         <h2.version>1.4.196</h2.version>
-        <jetty.version>9.4.8.v20171121</jetty.version>
         <jnats.version>1.0</jnats.version>
 
         <httpclient.version>4.5.3</httpclient.version>
@@ -937,7 +910,6 @@
         <serenity.jira.version>1.9.0</serenity.jira.version>
         <serenity.plugin.version>1.9.27</serenity.plugin.version>
         <jUnitParams.version>1.1.0</jUnitParams.version>
-        <netty.version>4.1.20.Final</netty.version>
         <commons.collections.version>4.1</commons.collections.version>
         <junit.version>4.12</junit.version>
         <java-lsh.version>0.10</java-lsh.version>
@@ -966,7 +938,6 @@
         <kafka.version>1.0.0</kafka.version>
         <smooks.version>1.7.0</smooks.version>
         <docker.version>3.0.14</docker.version>
-        <tomcat.version>8.5.24</tomcat.version>
         <async.http.client.version>2.2.0</async.http.client.version>
         <infinispan.version>9.1.5.Final</infinispan.version>
         <opencsv.version>4.1</opencsv.version>
diff --git a/persistence-modules/java-jpa/README.md b/persistence-modules/java-jpa/README.md
index e9aabaaa74..418e0a67e2 100644
--- a/persistence-modules/java-jpa/README.md
+++ b/persistence-modules/java-jpa/README.md
@@ -1,3 +1,4 @@
 # Relevant Articles
 
-* [A Guide to SqlResultSetMapping](http://www.baeldung.com/jpa-sql-resultset-mapping)
+- [A Guide to SqlResultSetMapping](http://www.baeldung.com/jpa-sql-resultset-mapping)
+- [A Guide to Stored Procedures with JPA](http://www.baeldung.com/jpa-stored-procedures)
\ No newline at end of file
diff --git a/jpa-storedprocedure/src/main/java/com/baeldung/jpa/model/Car.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/model/Car.java
similarity index 100%
rename from jpa-storedprocedure/src/main/java/com/baeldung/jpa/model/Car.java
rename to persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/model/Car.java
diff --git a/jpa-storedprocedure/src/main/java/com/baeldung/jpa/model/QueryParameter.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/model/QueryParameter.java
similarity index 100%
rename from jpa-storedprocedure/src/main/java/com/baeldung/jpa/model/QueryParameter.java
rename to persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/model/QueryParameter.java
diff --git a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
index e9230eb6cd..3d881673b2 100644
--- a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
+++ b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml
@@ -20,4 +20,18 @@
             <property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
         </properties>
     </persistence-unit>
+    
+    <persistence-unit name="jpa-db">
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+        <class>com.baeldung.jpa.model.Car</class>
+        <properties>
+            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
+            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung" />
+            <property name="javax.persistence.jdbc.user" value="baeldung" />
+            <property name="javax.persistence.jdbc.password" value="YourPassword" />
+            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
+            <property name="hibernate.show_sql" value="true" />
+        </properties>
+    </persistence-unit>
+	
 </persistence>
\ No newline at end of file
diff --git a/jpa-storedprocedure/src/main/resources/config/database/FindCarByYearProcedureMySQL.sql b/persistence-modules/java-jpa/src/main/resources/config/database/FindCarByYearProcedureMySQL.sql
similarity index 100%
rename from jpa-storedprocedure/src/main/resources/config/database/FindCarByYearProcedureMySQL.sql
rename to persistence-modules/java-jpa/src/main/resources/config/database/FindCarByYearProcedureMySQL.sql
diff --git a/jpa-storedprocedure/src/main/resources/config/database/create_table_mysql.sql b/persistence-modules/java-jpa/src/main/resources/config/database/create_table_mysql.sql
similarity index 100%
rename from jpa-storedprocedure/src/main/resources/config/database/create_table_mysql.sql
rename to persistence-modules/java-jpa/src/main/resources/config/database/create_table_mysql.sql
diff --git a/jpa-storedprocedure/src/main/resources/config/database/insert_cars.sql b/persistence-modules/java-jpa/src/main/resources/config/database/insert_cars.sql
similarity index 100%
rename from jpa-storedprocedure/src/main/resources/config/database/insert_cars.sql
rename to persistence-modules/java-jpa/src/main/resources/config/database/insert_cars.sql
diff --git a/jpa-storedprocedure/src/test/java/com/baeldung/jpa/storedprocedure/StoredProcedureLiveTest.java b/persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/storedprocedure/StoredProcedureLiveTest.java
similarity index 100%
rename from jpa-storedprocedure/src/test/java/com/baeldung/jpa/storedprocedure/StoredProcedureLiveTest.java
rename to persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/storedprocedure/StoredProcedureLiveTest.java
diff --git a/jpa-storedprocedure/src/test/resources/persistence.xml b/persistence-modules/java-jpa/src/test/resources/persistence.xml
similarity index 100%
rename from jpa-storedprocedure/src/test/resources/persistence.xml
rename to persistence-modules/java-jpa/src/test/resources/persistence.xml
diff --git a/pom.xml b/pom.xml
index 92df840079..7bed9c5cc0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -398,7 +398,6 @@
 				<module>jee-7</module>
 				<module>jhipster/jhipster-monolithic</module>
 				<module>jjwt</module>
-				<module>jpa-storedprocedure</module>
 				<module>jsf</module>
 				<module>json-path</module>
 				<module>json</module>
@@ -949,7 +948,6 @@
 				<module>jgroups</module>
 				<module>jee-7</module>
 				<module>jjwt</module>
-				<module>jpa-storedprocedure</module>
 				<module>jsf</module>
 				<module>json-path</module>
 				<module>json</module>
diff --git a/spring-5-mvc/src/main/java/com/baeldung/web/ResponseBodyEmitterController.java b/spring-5-mvc/src/main/java/com/baeldung/web/ResponseBodyEmitterController.java
index ff1fb87393..c5f63486fe 100644
--- a/spring-5-mvc/src/main/java/com/baeldung/web/ResponseBodyEmitterController.java
+++ b/spring-5-mvc/src/main/java/com/baeldung/web/ResponseBodyEmitterController.java
@@ -13,7 +13,7 @@ import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitter
 
 @Controller
 public class ResponseBodyEmitterController {
-    private ExecutorService nonBlockingService = Executors.newSingleThreadExecutor();
+    private ExecutorService nonBlockingService = Executors.newCachedThreadPool();
 
     @GetMapping(Constants.API_RBE)
     public ResponseEntity<ResponseBodyEmitter> handleRbe() {
diff --git a/spring-rest-full/pom.xml b/spring-rest-full/pom.xml
index baa1ebf51a..81c938a289 100644
--- a/spring-rest-full/pom.xml
+++ b/spring-rest-full/pom.xml
@@ -1,344 +1,344 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.baeldung</groupId>
-	<artifactId>spring-rest-full</artifactId>
-	<version>0.1-SNAPSHOT</version>
-	<name>spring-rest-full</name>
-	<packaging>war</packaging>
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>spring-rest-full</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>spring-rest-full</name>
+    <packaging>war</packaging>
 
-	<parent>
-		<artifactId>parent-boot-1</artifactId>
-		<groupId>com.baeldung</groupId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-boot-1</relativePath>
-	</parent>
+    <parent>
+        <artifactId>parent-boot-1</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-1</relativePath>
+    </parent>
 
-	<dependencies>
+    <dependencies>
 
-		<!-- Spring Boot Dependencies -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-actuator</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.aspectj</groupId>
-			<artifactId>aspectjweaver</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.tomcat.embed</groupId>
-			<artifactId>tomcat-embed-jasper</artifactId>
-			<scope>provided</scope>
-		</dependency>
+        <!-- Spring Boot Dependencies -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-jasper</artifactId>
+            <scope>provided</scope>
+        </dependency>
 
-		<!-- Spring -->
+        <!-- Spring -->
 
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-core</artifactId>
-			<exclusions>
-				<exclusion>
-					<artifactId>commons-logging</artifactId>
-					<groupId>commons-logging</groupId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-context</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-jdbc</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-beans</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-aop</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-tx</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-expression</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-web</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-webmvc</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.data</groupId>
-			<artifactId>spring-data-commons</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-aop</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-tx</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-expression</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-commons</artifactId>
+        </dependency>
 
-		<!-- deployment -->
+        <!-- deployment -->
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-tomcat</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-tomcat</artifactId>
+        </dependency>
 
-		<!-- web -->
+        <!-- web -->
 
-		<dependency>
-			<groupId>org.apache.httpcomponents</groupId>
-			<artifactId>httpclient</artifactId>
-			<exclusions>
-				<exclusion>
-					<artifactId>commons-logging</artifactId>
-					<groupId>commons-logging</groupId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.httpcomponents</groupId>
-			<artifactId>httpcore</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpcore</artifactId>
+        </dependency>
 
-		<!-- persistence -->
+        <!-- persistence -->
 
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-orm</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.data</groupId>
-			<artifactId>spring-data-jpa</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.hibernate</groupId>
-			<artifactId>hibernate-entitymanager</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>xml-apis</groupId>
-			<artifactId>xml-apis</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.javassist</groupId>
-			<artifactId>javassist</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-orm</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-entitymanager</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>xml-apis</groupId>
+            <artifactId>xml-apis</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.javassist</groupId>
+            <artifactId>javassist</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
 
-		<!-- web -->
+        <!-- web -->
 
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>javax.servlet-api</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>jstl</artifactId>
-			<scope>runtime</scope>
-		</dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <scope>runtime</scope>
+        </dependency>
 
-		<!-- marshalling -->
-		<dependency>
-			<groupId>com.fasterxml.jackson.core</groupId>
-			<artifactId>jackson-databind</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.thoughtworks.xstream</groupId>
-			<artifactId>xstream</artifactId>
-			<version>${xstream.version}</version>
-		</dependency>
+        <!-- marshalling -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.thoughtworks.xstream</groupId>
+            <artifactId>xstream</artifactId>
+            <version>${xstream.version}</version>
+        </dependency>
 
-		<!-- util -->
+        <!-- util -->
 
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>${guava.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
 
-		<!-- test scoped -->
+        <!-- test scoped -->
 
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-test</artifactId>
-			<scope>test</scope>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <scope>test</scope>
+        </dependency>
 
-		<!-- <dependency> -->
-		<!-- <groupId>org.hamcrest</groupId> -->
-		<!-- <artifactId>hamcrest-core</artifactId> -->
-		<!-- <scope>test</scope> -->
-		<!-- </dependency> -->
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest-library</artifactId>
-			<scope>test</scope>
-		</dependency>
+        <!-- <dependency> -->
+        <!-- <groupId>org.hamcrest</groupId> -->
+        <!-- <artifactId>hamcrest-core</artifactId> -->
+        <!-- <scope>test</scope> -->
+        <!-- </dependency> -->
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<scope>test</scope>
-		</dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
 
-	</dependencies>
+    </dependencies>
 
-	<build>
-		<finalName>spring-rest-full</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-war-plugin</artifactId>
-			</plugin>
-			<!-- Because we are using custom surefire configs in live profile hence need to disable all other in default profile -->
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-surefire-plugin</artifactId>
-				<configuration>
-					<forkCount>3</forkCount>
-					<reuseForks>true</reuseForks>
-					<excludes>
-						<exclude>**/*IntegrationTest.java</exclude>
-						<exclude>**/*IntTest.java</exclude>
-						<exclude>**/*LongRunningUnitTest.java</exclude>
-						<exclude>**/*ManualTest.java</exclude>
-						<exclude>**/*LiveTest.java</exclude>
-						<exclude>**/*TestSuite.java</exclude>
-					</excludes>
-				</configuration>
-			</plugin>
-			<plugin>
-				<groupId>org.codehaus.cargo</groupId>
-				<artifactId>cargo-maven2-plugin</artifactId>
-				<version>${cargo-maven2-plugin.version}</version>
-				<configuration>
-					<wait>true</wait>
-					<container>
-						<containerId>jetty8x</containerId>
-						<type>embedded</type>
-						<systemProperties>
-							<!-- <provPersistenceTarget>cargo</provPersistenceTarget> -->
-						</systemProperties>
-					</container>
-					<configuration>
-						<properties>
-							<cargo.servlet.port>8082</cargo.servlet.port>
-						</properties>
-					</configuration>
-				</configuration>
-			</plugin>
-			<!-- Querydsl and Specifications -->
-			<plugin>
-				<groupId>com.mysema.maven</groupId>
-				<artifactId>apt-maven-plugin</artifactId>
-				<version>${apt-maven-plugin.version}</version>
-				<executions>
-					<execution>
-						<goals>
-							<goal>process</goal>
-						</goals>
-						<configuration>
-							<outputDirectory>target/generated-sources/java</outputDirectory>
-							<processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+    <build>
+        <finalName>spring-rest-full</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+            </plugin>
+            <!-- Because we are using custom surefire configs in live profile hence need to disable all other in default profile -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <forkCount>3</forkCount>
+                    <reuseForks>true</reuseForks>
+                    <excludes>
+                        <exclude>**/*IntegrationTest.java</exclude>
+                        <exclude>**/*IntTest.java</exclude>
+                        <exclude>**/*LongRunningUnitTest.java</exclude>
+                        <exclude>**/*ManualTest.java</exclude>
+                        <exclude>**/*LiveTest.java</exclude>
+                        <exclude>**/*TestSuite.java</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.cargo</groupId>
+                <artifactId>cargo-maven2-plugin</artifactId>
+                <version>${cargo-maven2-plugin.version}</version>
+                <configuration>
+                    <wait>true</wait>
+                    <container>
+                        <containerId>jetty8x</containerId>
+                        <type>embedded</type>
+                        <systemProperties>
+                            <!-- <provPersistenceTarget>cargo</provPersistenceTarget> -->
+                        </systemProperties>
+                    </container>
+                    <configuration>
+                        <properties>
+                            <cargo.servlet.port>8082</cargo.servlet.port>
+                        </properties>
+                    </configuration>
+                </configuration>
+            </plugin>
+            <!-- Querydsl and Specifications -->
+            <plugin>
+                <groupId>com.mysema.maven</groupId>
+                <artifactId>apt-maven-plugin</artifactId>
+                <version>${apt-maven-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>process</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>target/generated-sources/java</outputDirectory>
+                            <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 
-	<profiles>
-		<profile>
-			<id>live</id>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-surefire-plugin</artifactId>
-						<executions>
-							<execution>
-								<phase>integration-test</phase>
-								<goals>
-									<goal>test</goal>
-								</goals>
-								<configuration>
-									<excludes>
-										<exclude>**/*IntegrationTest.java</exclude>
-										<exclude>**/*IntTest.java</exclude>
-									</excludes>
-									<includes>
-										<include>**/*LiveTest.java</include>
-									</includes>
-								</configuration>
-							</execution>
-						</executions>
-						<configuration>
-							<systemPropertyVariables>
-								<test.mime>json</test.mime>
-							</systemPropertyVariables>
-						</configuration>
-					</plugin>
-					<plugin>
-						<groupId>org.codehaus.cargo</groupId>
-						<artifactId>cargo-maven2-plugin</artifactId>
-						<configuration>
-							<wait>false</wait>
-						</configuration>
-						<executions>
-							<execution>
-								<id>start-server</id>
-								<phase>pre-integration-test</phase>
-								<goals>
-									<goal>start</goal>
-								</goals>
-							</execution>
-							<execution>
-								<id>stop-server</id>
-								<phase>post-integration-test</phase>
-								<goals>
-									<goal>stop</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
-	</profiles>
+    <profiles>
+        <profile>
+            <id>live</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <configuration>
+                                    <excludes>
+                                        <exclude>**/*IntegrationTest.java</exclude>
+                                        <exclude>**/*IntTest.java</exclude>
+                                    </excludes>
+                                    <includes>
+                                        <include>**/*LiveTest.java</include>
+                                    </includes>
+                                </configuration>
+                            </execution>
+                        </executions>
+                        <configuration>
+                            <systemPropertyVariables>
+                                <test.mime>json</test.mime>
+                            </systemPropertyVariables>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.codehaus.cargo</groupId>
+                        <artifactId>cargo-maven2-plugin</artifactId>
+                        <configuration>
+                            <wait>false</wait>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>start-server</id>
+                                <phase>pre-integration-test</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>stop-server</id>
+                                <phase>post-integration-test</phase>
+                                <goals>
+                                    <goal>stop</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 
-	<properties>
-		<!-- various -->
-		<xstream.version>1.4.9</xstream.version>
+    <properties>
+        <!-- various -->
+        <xstream.version>1.4.9</xstream.version>
 
-		<!-- util -->
-		<guava.version>19.0</guava.version>
-		<commons-lang3.version>3.5</commons-lang3.version>
+        <!-- util -->
+        <guava.version>19.0</guava.version>
+        <commons-lang3.version>3.5</commons-lang3.version>
 
-		<!-- Maven plugins -->
-		<cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
-		<apt-maven-plugin.version>1.1.3</apt-maven-plugin.version>
-	</properties>
+        <!-- Maven plugins -->
+        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
+        <apt-maven-plugin.version>1.1.3</apt-maven-plugin.version>
+    </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-rest-simple/pom.xml b/spring-rest-simple/pom.xml
index 004c925a8f..d39e3a43c1 100644
--- a/spring-rest-simple/pom.xml
+++ b/spring-rest-simple/pom.xml
@@ -1,339 +1,339 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.baeldung</groupId>
-	<artifactId>spring-rest-simple</artifactId>
-	<version>0.1-SNAPSHOT</version>
-	<name>spring-rest-simple</name>
-	<packaging>war</packaging>
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>spring-rest-simple</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>spring-rest-simple</name>
+    <packaging>war</packaging>
 
-	<parent>
-		<artifactId>parent-boot-1</artifactId>
-		<groupId>com.baeldung</groupId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-boot-1</relativePath>
-	</parent>
+    <parent>
+        <artifactId>parent-boot-1</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-1</relativePath>
+    </parent>
 
-	<dependencies>
+    <dependencies>
 
-		<!-- Spring Boot Dependencies -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-thymeleaf</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-actuator</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
+        <!-- Spring Boot Dependencies -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
 
-		<!-- Spring -->
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-web</artifactId>
-			<exclusions>
-				<exclusion>
-					<artifactId>commons-logging</artifactId>
-					<groupId>commons-logging</groupId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-webmvc</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-oxm</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>commons-fileupload</groupId>
-			<artifactId>commons-fileupload</artifactId>
-			<version>${commons-fileupload.version}</version>
-		</dependency>
-		<!-- web -->
+        <!-- Spring -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-oxm</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-fileupload</groupId>
+            <artifactId>commons-fileupload</artifactId>
+            <version>${commons-fileupload.version}</version>
+        </dependency>
+        <!-- web -->
 
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>javax.servlet-api</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>jstl</artifactId>
-			<scope>runtime</scope>
-		</dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <scope>runtime</scope>
+        </dependency>
 
-		<!-- marshalling -->
+        <!-- marshalling -->
 
-		<dependency>
-			<groupId>com.fasterxml.jackson.core</groupId>
-			<artifactId>jackson-databind</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.fasterxml.jackson.dataformat</groupId>
-			<artifactId>jackson-dataformat-xml</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.thoughtworks.xstream</groupId>
-			<artifactId>xstream</artifactId>
-			<version>${xstream.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.thoughtworks.xstream</groupId>
+            <artifactId>xstream</artifactId>
+            <version>${xstream.version}</version>
+        </dependency>
 
-		<!-- util -->
+        <!-- util -->
 
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>${guava.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-			<version>${commons-lang3.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
 
-		<!-- logging -->
+        <!-- logging -->
 
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-api</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>ch.qos.logback</groupId>
-			<artifactId>logback-classic</artifactId>
-			<!-- <scope>runtime</scope> -->
-		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>jcl-over-slf4j</artifactId>
-			<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
-		</dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <!-- <scope>runtime</scope> -->
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
+        </dependency>
 
-		<!-- okhttp -->
+        <!-- okhttp -->
 
-		<dependency>
-			<groupId>com.squareup.okhttp3</groupId>
-			<artifactId>okhttp</artifactId>
-			<version>${com.squareup.okhttp3.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>${com.squareup.okhttp3.version}</version>
+        </dependency>
 
-		<!-- test scoped -->
+        <!-- test scoped -->
 
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest-core</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest-library</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-test</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.jayway.restassured</groupId>
-			<artifactId>rest-assured</artifactId>
-			<version>${jayway-rest-assured.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.google.protobuf</groupId>
-			<artifactId>protobuf-java</artifactId>
-			<version>${protobuf-java.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.googlecode.protobuf-java-format</groupId>
-			<artifactId>protobuf-java-format</artifactId>
-			<version>${protobuf-java-format.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.esotericsoftware</groupId>
-			<artifactId>kryo</artifactId>
-			<version>${kryo.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.jayway.jsonpath</groupId>
-			<artifactId>json-path</artifactId>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.jayway.restassured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <version>${jayway-rest-assured.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java</artifactId>
+            <version>${protobuf-java.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.googlecode.protobuf-java-format</groupId>
+            <artifactId>protobuf-java-format</artifactId>
+            <version>${protobuf-java-format.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.esotericsoftware</groupId>
+            <artifactId>kryo</artifactId>
+            <version>${kryo.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.jayway.jsonpath</groupId>
+            <artifactId>json-path</artifactId>
+        </dependency>
+    </dependencies>
 
-	<build>
-		<finalName>spring-rest</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
-		<plugins>
-			<plugin>
-				<groupId>org.codehaus.cargo</groupId>
-				<artifactId>cargo-maven2-plugin</artifactId>
-				<version>${cargo-maven2-plugin.version}</version>
-				<configuration>
-					<!--<wait>true</wait> caused errors on commit -->
-					<container>
-						<containerId>tomcat8x</containerId>
-						<type>embedded</type>
-						<systemProperties>
-							<!-- <provPersistenceTarget>cargo</provPersistenceTarget> -->
-						</systemProperties>
-					</container>
-					<configuration>
-						<properties>
-							<cargo.servlet.port>8082</cargo.servlet.port>
-						</properties>
-					</configuration>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+    <build>
+        <finalName>spring-rest</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.cargo</groupId>
+                <artifactId>cargo-maven2-plugin</artifactId>
+                <version>${cargo-maven2-plugin.version}</version>
+                <configuration>
+                    <!--<wait>true</wait> caused errors on commit -->
+                    <container>
+                        <containerId>tomcat8x</containerId>
+                        <type>embedded</type>
+                        <systemProperties>
+                            <!-- <provPersistenceTarget>cargo</provPersistenceTarget> -->
+                        </systemProperties>
+                    </container>
+                    <configuration>
+                        <properties>
+                            <cargo.servlet.port>8082</cargo.servlet.port>
+                        </properties>
+                    </configuration>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
-	<profiles>
-		<profile>
-			<id>integration</id>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.codehaus.cargo</groupId>
-						<artifactId>cargo-maven2-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>start-server</id>
-								<phase>pre-integration-test</phase>
-								<goals>
-									<goal>start</goal>
-								</goals>
-							</execution>
-							<execution>
-								<id>stop-server</id>
-								<phase>post-integration-test</phase>
-								<goals>
-									<goal>stop</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-surefire-plugin</artifactId>
-						<executions>
-							<execution>
-								<phase>integration-test</phase>
-								<goals>
-									<goal>test</goal>
-								</goals>
-								<configuration>
-									<excludes>
-										<exclude>none</exclude>
-									</excludes>
-									<includes>
-										<include>**/*IntegrationTest.java</include>
-										<include>**/*IntTest.java</include>
-									</includes>
-								</configuration>
-							</execution>
-						</executions>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
-		
-		<profile>
-			<id>live</id>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.codehaus.cargo</groupId>
-						<artifactId>cargo-maven2-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>start-server</id>
-								<phase>pre-integration-test</phase>
-								<goals>
-									<goal>start</goal>
-								</goals>
-							</execution>
-							<execution>
-								<id>stop-server</id>
-								<phase>post-integration-test</phase>
-								<goals>
-									<goal>stop</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
+    <profiles>
+        <profile>
+            <id>integration</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.codehaus.cargo</groupId>
+                        <artifactId>cargo-maven2-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>start-server</id>
+                                <phase>pre-integration-test</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>stop-server</id>
+                                <phase>post-integration-test</phase>
+                                <goals>
+                                    <goal>stop</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <configuration>
+                                    <excludes>
+                                        <exclude>none</exclude>
+                                    </excludes>
+                                    <includes>
+                                        <include>**/*IntegrationTest.java</include>
+                                        <include>**/*IntTest.java</include>
+                                    </includes>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        
+        <profile>
+            <id>live</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.codehaus.cargo</groupId>
+                        <artifactId>cargo-maven2-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>start-server</id>
+                                <phase>pre-integration-test</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>stop-server</id>
+                                <phase>post-integration-test</phase>
+                                <goals>
+                                    <goal>stop</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
 
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-surefire-plugin</artifactId>
-						<executions>
-							<execution>
-								<phase>integration-test</phase>
-								<goals>
-									<goal>test</goal>
-								</goals>
-								<configuration>
-									<excludes>
-										<exclude>none</exclude>
-									</excludes>
-									<includes>
-										<include>**/*LiveTest.java</include>
-									</includes>
-									<systemPropertyVariables>
-										<webTarget>cargo</webTarget>
-									</systemPropertyVariables>
-								</configuration>
-							</execution>
-						</executions>
-					</plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <configuration>
+                                    <excludes>
+                                        <exclude>none</exclude>
+                                    </excludes>
+                                    <includes>
+                                        <include>**/*LiveTest.java</include>
+                                    </includes>
+                                    <systemPropertyVariables>
+                                        <webTarget>cargo</webTarget>
+                                    </systemPropertyVariables>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
 
-				</plugins>
-			</build>
-		</profile>
-	</profiles>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 
-	<properties>
-		<commons-fileupload.version>1.3.3</commons-fileupload.version>
-		<kryo.version>4.0.0</kryo.version>
-		<protobuf-java-format.version>1.4</protobuf-java-format.version>
-		<protobuf-java.version>3.1.0</protobuf-java.version>
-		<commons-lang3.version>3.5</commons-lang3.version>
-		<xstream.version>1.4.9</xstream.version>
+    <properties>
+        <commons-fileupload.version>1.3.3</commons-fileupload.version>
+        <kryo.version>4.0.0</kryo.version>
+        <protobuf-java-format.version>1.4</protobuf-java-format.version>
+        <protobuf-java.version>3.1.0</protobuf-java.version>
+        <commons-lang3.version>3.5</commons-lang3.version>
+        <xstream.version>1.4.9</xstream.version>
 
-		<!-- util -->
-		<guava.version>20.0</guava.version>
-		<jayway-rest-assured.version>2.9.0</jayway-rest-assured.version>
+        <!-- util -->
+        <guava.version>20.0</guava.version>
+        <jayway-rest-assured.version>2.9.0</jayway-rest-assured.version>
 
-		<!-- Maven plugins -->
-		<cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>
-		<findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
+        <!-- Maven plugins -->
+        <cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>
+        <findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
 
-		<!-- okhttp -->
-		<com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
+        <!-- okhttp -->
+        <com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
 
-		<json.path.version>2.2.0</json.path.version>
-	</properties>
+        <json.path.version>2.2.0</json.path.version>
+    </properties>
 
 </project>
diff --git a/spring-rest/pom.xml b/spring-rest/pom.xml
index bd17811801..ba74d26c35 100644
--- a/spring-rest/pom.xml
+++ b/spring-rest/pom.xml
@@ -1,305 +1,305 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>spring-rest</artifactId>
-	<version>0.1-SNAPSHOT</version>
-	<name>spring-rest</name>
-	<packaging>war</packaging>
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-rest</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>spring-rest</name>
+    <packaging>war</packaging>
 
-	<parent>
-		<artifactId>parent-boot-2</artifactId>
-		<groupId>com.baeldung</groupId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-boot-2</relativePath>
-	</parent>
+    <parent>
+        <artifactId>parent-boot-2</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
 
-	<dependencies>
+    <dependencies>
 
-		<!-- Spring Boot Dependencies -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-thymeleaf</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-actuator</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-		</dependency>
+        <!-- Spring Boot Dependencies -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
 
-		<!-- Spring -->
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-web</artifactId>
-			<exclusions>
-				<exclusion>
-					<artifactId>commons-logging</artifactId>
-					<groupId>commons-logging</groupId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-webmvc</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-oxm</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>commons-fileupload</groupId>
-			<artifactId>commons-fileupload</artifactId>
-			<version>${commons-fileupload.version}</version>
-		</dependency>
+        <!-- Spring -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-oxm</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-fileupload</groupId>
+            <artifactId>commons-fileupload</artifactId>
+            <version>${commons-fileupload.version}</version>
+        </dependency>
 
-		<!-- web -->
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>javax.servlet-api</artifactId>
-			<scope>provided</scope>
-		</dependency>
+        <!-- web -->
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>jstl</artifactId>
-			<scope>runtime</scope>
-		</dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <scope>runtime</scope>
+        </dependency>
 
-		<!-- marshalling -->
-		<dependency>
-			<groupId>com.fasterxml.jackson.core</groupId>
-			<artifactId>jackson-databind</artifactId>
-		</dependency>
+        <!-- marshalling -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
 
-		<dependency>
-			<groupId>com.fasterxml.jackson.dataformat</groupId>
-			<artifactId>jackson-dataformat-xml</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
 
-		<dependency>
-			<groupId>com.thoughtworks.xstream</groupId>
-			<artifactId>xstream</artifactId>
-			<version>${xstream.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.thoughtworks.xstream</groupId>
+            <artifactId>xstream</artifactId>
+            <version>${xstream.version}</version>
+        </dependency>
 
-		<!-- util -->
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>${guava.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-		</dependency>
+        <!-- util -->
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
 
-		<!-- okhttp -->
-		<dependency>
-			<groupId>com.squareup.okhttp3</groupId>
-			<artifactId>okhttp</artifactId>
-			<version>${com.squareup.okhttp3.version}</version>
-		</dependency>
+        <!-- okhttp -->
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>${com.squareup.okhttp3.version}</version>
+        </dependency>
 
-		<!-- test scoped -->
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest-core</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.hamcrest</groupId>
-			<artifactId>hamcrest-library</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-test</artifactId>
-		</dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
 
-		<!-- -->
-		<dependency>
-			<groupId>com.google.protobuf</groupId>
-			<artifactId>protobuf-java</artifactId>
-			<version>${protobuf-java.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.googlecode.protobuf-java-format</groupId>
-			<artifactId>protobuf-java-format</artifactId>
-			<version>${protobuf-java-format.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.esotericsoftware</groupId>
-			<artifactId>kryo</artifactId>
-			<version>${kryo.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>com.jayway.jsonpath</groupId>
-			<artifactId>json-path</artifactId>
-		</dependency>
+        <!-- -->
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java</artifactId>
+            <version>${protobuf-java.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.googlecode.protobuf-java-format</groupId>
+            <artifactId>protobuf-java-format</artifactId>
+            <version>${protobuf-java-format.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.esotericsoftware</groupId>
+            <artifactId>kryo</artifactId>
+            <version>${kryo.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.jayway.jsonpath</groupId>
+            <artifactId>json-path</artifactId>
+        </dependency>
 
-		<!-- Apache common IO for utility -->
-		<dependency>
-			<groupId>commons-io</groupId>
-			<artifactId>commons-io</artifactId>
-			<version>2.4</version>
-		</dependency>
-		<dependency>
-			<groupId>au.com.dius</groupId>
-			<artifactId>pact-jvm-provider-junit_2.11</artifactId>
-			<version>${pact.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>io.rest-assured</groupId>
-			<artifactId>rest-assured</artifactId>
-		</dependency>
+        <!-- Apache common IO for utility -->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.4</version>
+        </dependency>
+        <dependency>
+            <groupId>au.com.dius</groupId>
+            <artifactId>pact-jvm-provider-junit_2.11</artifactId>
+            <version>${pact.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+        </dependency>
 
-	</dependencies>
+    </dependencies>
 
-	<build>
-		<finalName>spring-rest</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
+    <build>
+        <finalName>spring-rest</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
 
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<configuration>
-					<skip>true</skip>
-				</configuration>
-			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-war-plugin</artifactId>
-			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>${checkstyle-maven-plugin.version}</version>
-				<configuration>
-					<configLocation>checkstyle.xml</configLocation>
-				</configuration>
-				<executions>
-					<execution>
-						<goals>
-							<goal>check</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <version>${checkstyle-maven-plugin.version}</version>
+                <configuration>
+                    <configLocation>checkstyle.xml</configLocation>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 
-	<profiles>
-		<profile>
-			<id>live</id>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.codehaus.cargo</groupId>
-						<artifactId>cargo-maven2-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>start-server</id>
-								<phase>pre-integration-test</phase>
-								<goals>
-									<goal>start</goal>
-								</goals>
-							</execution>
-							<execution>
-								<id>stop-server</id>
-								<phase>post-integration-test</phase>
-								<goals>
-									<goal>stop</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
+    <profiles>
+        <profile>
+            <id>live</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.codehaus.cargo</groupId>
+                        <artifactId>cargo-maven2-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>start-server</id>
+                                <phase>pre-integration-test</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>stop-server</id>
+                                <phase>post-integration-test</phase>
+                                <goals>
+                                    <goal>stop</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
 
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-surefire-plugin</artifactId>
-						<executions>
-							<execution>
-								<phase>integration-test</phase>
-								<goals>
-									<goal>test</goal>
-								</goals>
-								<configuration>
-									<excludes>
-										<exclude>none</exclude>
-									</excludes>
-									<includes>
-										<include>**/*LiveTest.java</include>
-									</includes>
-									<systemPropertyVariables>
-										<webTarget>cargo</webTarget>
-									</systemPropertyVariables>
-								</configuration>
-							</execution>
-						</executions>
-					</plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <configuration>
+                                    <excludes>
+                                        <exclude>none</exclude>
+                                    </excludes>
+                                    <includes>
+                                        <include>**/*LiveTest.java</include>
+                                    </includes>
+                                    <systemPropertyVariables>
+                                        <webTarget>cargo</webTarget>
+                                    </systemPropertyVariables>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
 
-				</plugins>
-			</build>
-		</profile>
+                </plugins>
+            </build>
+        </profile>
 
-	</profiles>
+    </profiles>
 
-	<reporting>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>${checkstyle-maven-plugin.version}</version>
-				<configuration>
-					<configLocation>checkstyle.xml</configLocation>
-				</configuration>
-			</plugin>
-		</plugins>
-	</reporting>
+    <reporting>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <version>${checkstyle-maven-plugin.version}</version>
+                <configuration>
+                    <configLocation>checkstyle.xml</configLocation>
+                </configuration>
+            </plugin>
+        </plugins>
+    </reporting>
 
-	<properties>
-		<commons-fileupload.version>1.3.2</commons-fileupload.version>
-		<kryo.version>4.0.0</kryo.version>
-		<protobuf-java-format.version>1.4</protobuf-java-format.version>
-		<protobuf-java.version>3.1.0</protobuf-java.version>
-		<commons-lang3.version>3.5</commons-lang3.version>
-		<xstream.version>1.4.9</xstream.version>
+    <properties>
+        <commons-fileupload.version>1.3.2</commons-fileupload.version>
+        <kryo.version>4.0.0</kryo.version>
+        <protobuf-java-format.version>1.4</protobuf-java-format.version>
+        <protobuf-java.version>3.1.0</protobuf-java.version>
+        <commons-lang3.version>3.5</commons-lang3.version>
+        <xstream.version>1.4.9</xstream.version>
 
-		<!-- util -->
-		<guava.version>20.0</guava.version>
+        <!-- util -->
+        <guava.version>20.0</guava.version>
 
-		<!-- Maven plugins -->
-		<cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>
-		<findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
-		<checkstyle-maven-plugin.version>3.0.0</checkstyle-maven-plugin.version>
-		<dependency.locations.enabled>false</dependency.locations.enabled>
-		<!-- okhttp -->
-		<com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
+        <!-- Maven plugins -->
+        <cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>
+        <findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
+        <checkstyle-maven-plugin.version>3.0.0</checkstyle-maven-plugin.version>
+        <dependency.locations.enabled>false</dependency.locations.enabled>
+        <!-- okhttp -->
+        <com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
 
-		<json.path.version>2.2.0</json.path.version>
-		<pact.version>3.5.11</pact.version>
-		<rest-assured.version>3.1.0</rest-assured.version>
-	</properties>
+        <json.path.version>2.2.0</json.path.version>
+        <pact.version>3.5.11</pact.version>
+        <rest-assured.version>3.1.0</rest-assured.version>
+    </properties>
 
 </project>
diff --git a/spring-security-mvc-boot/README.MD b/spring-security-mvc-boot/README.MD
index 0bae800b1e..eec61f087f 100644
--- a/spring-security-mvc-boot/README.MD
+++ b/spring-security-mvc-boot/README.MD
@@ -1,7 +1,7 @@
-###The Course
+### The Course
 The "REST With Spring" Classes: http://github.learnspringsecurity.com
 
-###Relevant Articles:
+### Relevant Articles:
 - [A Custom Security Expression with Spring Security](http://www.baeldung.com/spring-security-create-new-custom-security-expression)
 - [Custom AccessDecisionVoters in Spring Security](http://www.baeldung.com/spring-security-custom-voter)
 - [Spring Security: Authentication with a Database-backed UserDetailsService](http://www.baeldung.com/spring-security-authentication-with-a-database)
@@ -9,4 +9,4 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
 - [Multiple Entry Points in Spring Security](http://www.baeldung.com/spring-security-multiple-entry-points)
 - [Multiple Authentication Providers in Spring Security](http://www.baeldung.com/spring-security-multiple-auth-providers)
 - [Granted Authority Versus Role in Spring Security](http://www.baeldung.com/spring-security-granted-authority-vs-role)
-- [Spring Data with Spring Security] (https://www.baeldung.com/spring-data-security)
+- [Spring Data with Spring Security](https://www.baeldung.com/spring-data-security)