diff --git a/spring-boot-modules/spring-boot-xml/pom.xml b/spring-boot-modules/spring-boot-xml/pom.xml
index b3fd343e4f..bee9c7ddd3 100644
--- a/spring-boot-modules/spring-boot-xml/pom.xml
+++ b/spring-boot-modules/spring-boot-xml/pom.xml
@@ -18,7 +18,7 @@
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
+            <groupId>Forg.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
         </dependency>
         <dependency>
diff --git a/spring-boot-rest-2/pom.xml b/spring-boot-rest-2/pom.xml
index d74c393f27..32eff262dd 100644
--- a/spring-boot-rest-2/pom.xml
+++ b/spring-boot-rest-2/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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.web</groupId>
     <artifactId>spring-boot-rest-2</artifactId>
diff --git a/spring-boot-rest/pom.xml b/spring-boot-rest/pom.xml
index 10dacf99e8..72d4ecfaa6 100644
--- a/spring-boot-rest/pom.xml
+++ b/spring-boot-rest/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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.web</groupId>
     <artifactId>spring-boot-rest</artifactId>
@@ -35,7 +35,6 @@
             <artifactId>xstream</artifactId>
             <version>${xstream.version}</version>
         </dependency>
-
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
@@ -44,26 +43,21 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
         </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-rest</artifactId>
         </dependency>
-        
         <!-- Spring HATEOAS -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
-
         <!-- util -->
-
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
             <version>${guava.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -96,5 +90,5 @@
         <xstream.version>1.4.11.1</xstream.version>
         <modelmapper.version>2.3.5</modelmapper.version>
     </properties>
-    
-</project>
+
+</project>
\ No newline at end of file
diff --git a/spring-caching/pom.xml b/spring-caching/pom.xml
index c620072604..34c035a8ec 100644
--- a/spring-caching/pom.xml
+++ b/spring-caching/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-caching</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -76,7 +76,9 @@
             <artifactId>spring-data-commons</artifactId>
         </dependency>
     </dependencies>
+
     <properties>
         <ehcache.version>3.5.2</ehcache.version>
     </properties>
-</project>
+
+</project>
\ No newline at end of file
diff --git a/spring-core-2/pom.xml b/spring-core-2/pom.xml
index 3f8e84e13d..de5c7c0d4d 100644
--- a/spring-core-2/pom.xml
+++ b/spring-core-2/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-core-2</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -143,7 +144,6 @@
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
-
         <!-- ShedLock -->
         <dependency>
             <groupId>net.javacrumbs.shedlock</groupId>
@@ -202,7 +202,6 @@
         <annotation-api.version>1.3.2</annotation-api.version>
         <!-- persistence -->
         <hibernate.version>5.2.5.Final</hibernate.version>
-
         <!-- util -->
         <guava.version>25.1-jre</guava.version>
         <easymock.version>3.6</easymock.version>
@@ -212,4 +211,4 @@
         <maven.version>3.2.2</maven.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-core-3/pom.xml b/spring-core-3/pom.xml
index 618800529c..50d2e7ac5e 100644
--- a/spring-core-3/pom.xml
+++ b/spring-core-3/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-core-3</artifactId>
     <name>spring-core-3</name>
diff --git a/spring-core-4/pom.xml b/spring-core-4/pom.xml
index d2e948c475..5706b2ee75 100644
--- a/spring-core-4/pom.xml
+++ b/spring-core-4/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-core-4</artifactId>
     <name>spring-core-4</name>
@@ -84,7 +84,6 @@
             <artifactId>javax.servlet-api</artifactId>
             <version>4.0.0</version>
         </dependency>
-
     </dependencies>
 
     <properties>
@@ -95,4 +94,4 @@
         <assertj-core.version>2.9.1</assertj-core.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-core-5/pom.xml b/spring-core-5/pom.xml
index 05ee1c5f5d..68229b80b8 100644
--- a/spring-core-5/pom.xml
+++ b/spring-core-5/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-core-5</artifactId>
     <name>spring-core-5</name>
@@ -37,4 +37,4 @@
         <spring-boot-starter.version>2.4.2</spring-boot-starter.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-core/pom.xml b/spring-core/pom.xml
index 7d83fc198c..ab41670224 100644
--- a/spring-core/pom.xml
+++ b/spring-core/pom.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    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-core</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/spring-cucumber/pom.xml b/spring-cucumber/pom.xml
index a945797ee1..c6c163d7d1 100644
--- a/spring-cucumber/pom.xml
+++ b/spring-cucumber/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-cucumber</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -57,4 +58,4 @@
         <commons-io.version>1.3.2</commons-io.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-data-rest-querydsl/pom.xml b/spring-data-rest-querydsl/pom.xml
index 5e47f4979e..0b1cdd8928 100644
--- a/spring-data-rest-querydsl/pom.xml
+++ b/spring-data-rest-querydsl/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    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-data-rest-querydsl</artifactId>
     <version>1.0</version>
@@ -99,10 +99,11 @@
             </plugin>
         </plugins>
     </build>
+
     <properties>
         <maven.source>1.8</maven.source>
         <maven.target>1.8</maven.target>
         <mysema.version>1.1.3</mysema.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-data-rest/pom.xml b/spring-data-rest/pom.xml
index bfbd66a280..4a22ce92d1 100644
--- a/spring-data-rest/pom.xml
+++ b/spring-data-rest/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-data-rest</artifactId>
     <version>1.0</version>
diff --git a/spring-di-2/pom.xml b/spring-di-2/pom.xml
index 4dd92ca18c..7d3f4c7b33 100644
--- a/spring-di-2/pom.xml
+++ b/spring-di-2/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-di-2</artifactId>
     <version>1.0-SNAPSHOT</version>
@@ -78,4 +78,5 @@
         <aspectj-plugin.version>1.11</aspectj-plugin.version>
         <javax.inject.version>1</javax.inject.version>
     </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-di/pom.xml b/spring-di/pom.xml
index df0b685ae2..cbd49242e4 100644
--- a/spring-di/pom.xml
+++ b/spring-di/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-di</artifactId>
     <version>1.0-SNAPSHOT</version>
@@ -90,26 +90,22 @@
             <artifactId>aspectjweaver</artifactId>
             <version>${aspectjweaver.version}</version>
         </dependency>
-
         <!-- Spring -->
-        <!--        <dependency>-->
-        <!--            <groupId>org.springframework</groupId>-->
-        <!--            <artifactId>spring-context</artifactId>-->
-        <!--        </dependency>-->
-
+        <!-- <dependency> -->
+        <!-- <groupId>org.springframework</groupId> -->
+        <!-- <artifactId>spring-context</artifactId> -->
+        <!-- </dependency> -->
         <dependency>
             <groupId>javax.annotation</groupId>
             <artifactId>javax.annotation-api</artifactId>
             <version>${annotation-api.version}</version>
         </dependency>
-
-        <!--        &lt;!&ndash; test scoped &ndash;&gt;-->
-        <!--        <dependency>-->
-        <!--            <groupId>org.springframework</groupId>-->
-        <!--            <artifactId>spring-test</artifactId>-->
-        <!--            <scope>test</scope>-->
-        <!--        </dependency>-->
-
+        <!-- &lt;!&ndash; test scoped &ndash;&gt; -->
+        <!-- <dependency> -->
+        <!-- <groupId>org.springframework</groupId> -->
+        <!-- <artifactId>spring-test</artifactId> -->
+        <!-- <scope>test</scope> -->
+        <!-- </dependency> -->
     </dependencies>
 
     <build>
@@ -155,7 +151,6 @@
         <!-- Spring -->
         <org.springframework.version>5.0.6.RELEASE</org.springframework.version>
         <annotation-api.version>1.3.2</annotation-api.version>
-
         <mockito.spring.boot.version>1.4.4.RELEASE</mockito.spring.boot.version>
         <javax.inject.version>1</javax.inject.version>
         <guava.version>20.0</guava.version>
diff --git a/spring-drools/pom.xml b/spring-drools/pom.xml
index 8b105158ec..b8c025893c 100644
--- a/spring-drools/pom.xml
+++ b/spring-drools/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-drools</artifactId>
     <version>1.0.0-SNAPSHOT</version>
@@ -14,7 +15,6 @@
     </parent>
 
     <dependencies>
-        <!-- ... -->
         <dependency>
             <groupId>org.kie</groupId>
             <artifactId>kie-ci</artifactId>
@@ -77,4 +77,5 @@
     <properties>
         <drools-version>7.0.0.Final</drools-version>
     </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-ejb/ejb-beans/pom.xml b/spring-ejb/ejb-beans/pom.xml
index 8f2bf31ee4..cdc28ef5d7 100644
--- a/spring-ejb/ejb-beans/pom.xml
+++ b/spring-ejb/ejb-beans/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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.singletonsession</groupId>
     <artifactId>ejb-beans</artifactId>
@@ -41,7 +42,7 @@
             <artifactId>spring-context</artifactId>
             <version>${springframework.version}</version>
         </dependency>
-         <!-- Dependency for EJB javax -->
+        <!-- Dependency for EJB javax -->
         <dependency>
             <groupId>javax.ejb</groupId>
             <artifactId>javax.ejb-api</artifactId>
@@ -188,4 +189,4 @@
         <wildfly-ejb.version>8.2.1.Final</wildfly-ejb.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-ejb/pom.xml b/spring-ejb/pom.xml
index 1b3a52184e..383cde1e69 100755
--- a/spring-ejb/pom.xml
+++ b/spring-ejb/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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.spring.ejb</groupId>
     <artifactId>spring-ejb</artifactId>
@@ -16,22 +17,12 @@
         <relativePath>../</relativePath>
     </parent>
 
-    <repositories>
-        <repository>
-            <id>jboss-public-repository-group</id>
-            <name>JBoss Public Maven Repository Group</name>
-            <url>http://repository.jboss.org/nexus/content/groups/public/</url>
-            <layout>default</layout>
-            <releases>
-                <enabled>true</enabled>
-                <updatePolicy>never</updatePolicy>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-                <updatePolicy>never</updatePolicy>
-            </snapshots>
-        </repository>
-    </repositories>
+    <modules>
+        <module>spring-ejb-remote</module>
+        <module>ejb-beans</module>
+        <module>spring-ejb-client</module>
+        <module>wildfly</module>
+    </modules>
 
     <dependencyManagement>
         <dependencies>
@@ -57,6 +48,23 @@
         </dependencies>
     </dependencyManagement>
 
+    <repositories>
+        <repository>
+            <id>jboss-public-repository-group</id>
+            <name>JBoss Public Maven Repository Group</name>
+            <url>http://repository.jboss.org/nexus/content/groups/public/</url>
+            <layout>default</layout>
+            <releases>
+                <enabled>true</enabled>
+                <updatePolicy>never</updatePolicy>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+                <updatePolicy>never</updatePolicy>
+            </snapshots>
+        </repository>
+    </repositories>
+
     <build>
         <pluginManagement>
             <plugins>
@@ -71,13 +79,6 @@
         </pluginManagement>
     </build>
 
-    <modules>
-        <module>spring-ejb-remote</module>
-        <module>ejb-beans</module>
-        <module>spring-ejb-client</module>
-        <module>wildfly</module>
-    </modules>
-
     <properties>
         <spring-ejb-remote.version>1.0.0-SNAPSHOT</spring-ejb-remote.version>
         <javaee.version>8.0</javaee.version>
@@ -86,4 +87,4 @@
         <ejb.version>3.2</ejb.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-ejb/spring-ejb-client/pom.xml b/spring-ejb/spring-ejb-client/pom.xml
index 6c335e8982..ecf9d0eb49 100644
--- a/spring-ejb/spring-ejb-client/pom.xml
+++ b/spring-ejb/spring-ejb-client/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-ejb-client</artifactId>
     <name>spring-ejb-client</name>
@@ -30,30 +31,25 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
-
         <dependency>
             <groupId>org.wildfly</groupId>
             <artifactId>wildfly-ejb-client-bom</artifactId>
             <type>pom</type>
         </dependency>
-
         <dependency>
             <groupId>com.baeldung.spring.ejb</groupId>
             <artifactId>spring-ejb-remote</artifactId>
             <type>ejb</type>
         </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>io.undertow</groupId>
             <artifactId>undertow-servlet</artifactId>
         </dependency>
-
     </dependencies>
 
     <build>
@@ -70,4 +66,4 @@
         <spring-boot.version>2.0.4.RELEASE</spring-boot.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-ejb/spring-ejb-remote/pom.xml b/spring-ejb/spring-ejb-remote/pom.xml
index 28d5398b97..b7bf2aa79b 100644
--- a/spring-ejb/spring-ejb-remote/pom.xml
+++ b/spring-ejb/spring-ejb-remote/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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-ejb-remote</artifactId>
     <name>spring-ejb-remote</name>
@@ -40,16 +40,13 @@
                         <groupId>org.codehaus.cargo</groupId>
                         <artifactId>cargo-maven2-plugin</artifactId>
                         <version>${cargo-maven2-plugin.version}</version>
-
                         <configuration>
-
                             <container>
                                 <containerId>wildfly10x</containerId>
                                 <zipUrlInstaller>
                                     <url>https://download.jboss.org/wildfly/12.0.0.Final/wildfly-12.0.0.Final.zip</url>
                                 </zipUrlInstaller>
                             </container>
-
                             <configuration>
                                 <properties>
                                     <cargo.hostname>127.0.0.1</cargo.hostname>
@@ -58,13 +55,11 @@
                                     <cargo.servlet.users>testUser:admin1234!</cargo.servlet.users>
                                 </properties>
                             </configuration>
-
                         </configuration>
                     </plugin>
                 </plugins>
             </build>
         </profile>
-
         <!--mvn clean install wildfly:deploy -Pwildfly-runtime -->
         <profile>
             <id>wildfly-runtime</id>
diff --git a/spring-ejb/wildfly/pom.xml b/spring-ejb/wildfly/pom.xml
index fdf2517139..ae90f71b7c 100644
--- a/spring-ejb/wildfly/pom.xml
+++ b/spring-ejb/wildfly/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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.wildfly</groupId>
     <artifactId>wildfly</artifactId>
diff --git a/spring-ejb/wildfly/widlfly-web/pom.xml b/spring-ejb/wildfly/widlfly-web/pom.xml
index 79d0dca470..fb8a7678af 100644
--- a/spring-ejb/wildfly/widlfly-web/pom.xml
+++ b/spring-ejb/wildfly/widlfly-web/pom.xml
@@ -1,11 +1,12 @@
 <?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"
+<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>widlfly-web</artifactId>
-	<name>widlfly-web</name>
+    <name>widlfly-web</name>
     <packaging>war</packaging>
-		
+
     <parent>
         <groupId>com.baeldung.wildfly</groupId>
         <artifactId>wildfly</artifactId>
diff --git a/spring-ejb/wildfly/wildfly-ear/pom.xml b/spring-ejb/wildfly/wildfly-ear/pom.xml
index 07f53358bf..da321cb9eb 100644
--- a/spring-ejb/wildfly/wildfly-ear/pom.xml
+++ b/spring-ejb/wildfly/wildfly-ear/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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>wildfly-ear</artifactId>
     <name>wildfly-ear</name>
diff --git a/spring-ejb/wildfly/wildfly-ejb-interfaces/pom.xml b/spring-ejb/wildfly/wildfly-ejb-interfaces/pom.xml
index 21fc26106a..bc9159b667 100644
--- a/spring-ejb/wildfly/wildfly-ejb-interfaces/pom.xml
+++ b/spring-ejb/wildfly/wildfly-ejb-interfaces/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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>wildfly-ejb-interfaces</artifactId>
     <name>wildfly-ejb-interfaces</name>
diff --git a/spring-ejb/wildfly/wildfly-ejb/pom.xml b/spring-ejb/wildfly/wildfly-ejb/pom.xml
index c35e340ac9..36574bf984 100644
--- a/spring-ejb/wildfly/wildfly-ejb/pom.xml
+++ b/spring-ejb/wildfly/wildfly-ejb/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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>wildfly-ejb</artifactId>
     <name>wildfly-ejb</name>
diff --git a/spring-ejb/wildfly/wildfly-jpa/pom.xml b/spring-ejb/wildfly/wildfly-jpa/pom.xml
index 1bc618a296..603e337510 100644
--- a/spring-ejb/wildfly/wildfly-jpa/pom.xml
+++ b/spring-ejb/wildfly/wildfly-jpa/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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>wildfly-jpa</artifactId>
     <name>wildfly-jpa</name>
diff --git a/spring-ejb/wildfly/wildfly-mdb/pom.xml b/spring-ejb/wildfly/wildfly-mdb/pom.xml
index 109cff861b..0784725cde 100644
--- a/spring-ejb/wildfly/wildfly-mdb/pom.xml
+++ b/spring-ejb/wildfly/wildfly-mdb/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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>wildfly-mdb</artifactId>
     <name>wildfly-mdb</name>
diff --git a/spring-exceptions/pom.xml b/spring-exceptions/pom.xml
index 29ed7d5caa..337597a741 100644
--- a/spring-exceptions/pom.xml
+++ b/spring-exceptions/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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-exceptions</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -14,9 +15,7 @@
     </parent>
 
     <dependencies>
-
         <!-- Spring -->
-
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
@@ -49,9 +48,7 @@
             <artifactId>spring-context</artifactId>
             <version>${org.springframework.version}</version>
         </dependency>
-
         <!-- persistence -->
-
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>
@@ -73,33 +70,26 @@
             <artifactId>tomcat-dbcp</artifactId>
             <version>${tomcat-dbcp.version}</version>
         </dependency>
-
         <!-- validation -->
-
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-validator</artifactId>
             <version>${hibernate-validator.version}</version>
         </dependency>
-
         <!-- web -->
-
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
             <version>${javax.servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
-
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>jstl</artifactId>
             <version>${jstl.version}</version>
             <scope>runtime</scope>
         </dependency>
-
         <!-- util -->
-
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
@@ -111,22 +101,18 @@
             <version>${commons-lang3.version}</version>
             <scope>test</scope>
         </dependency>
-
         <!-- test scoped -->
-
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
             <version>${org.springframework.version}</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>javax.el</groupId>
             <artifactId>el-api</artifactId>
             <version>${javax.el.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.apache.derby</groupId>
             <artifactId>derby</artifactId>
@@ -157,9 +143,7 @@
                 <filtering>true</filtering>
             </resource>
         </resources>
-
         <plugins>
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>
@@ -168,40 +152,30 @@
                     <failOnMissingWebXml>false</failOnMissingWebXml>
                 </configuration>
             </plugin>
-
         </plugins>
-
     </build>
 
     <properties>
-
         <!-- Spring -->
         <org.springframework.version>4.3.4.RELEASE</org.springframework.version>
         <org.springframework.security.version>4.2.0.RELEASE</org.springframework.security.version>
         <javassist.version>3.21.0-GA</javassist.version>
-
         <!-- persistence -->
         <hibernate.version>5.2.5.Final</hibernate.version>
         <mysql-connector-java.version>5.1.40</mysql-connector-java.version>
         <tomcat-dbcp.version>7.0.73</tomcat-dbcp.version>
         <derby.version>10.13.1.1</derby.version>
-
         <!-- various -->
         <hibernate-validator.version>5.3.3.Final</hibernate-validator.version>
         <javax.el.version>2.2</javax.el.version>
-
         <!-- util -->
         <guava.version>19.0</guava.version>
-
         <httpcore.version>4.4.5</httpcore.version>
         <httpclient.version>4.5.2</httpclient.version>
-
         <rest-assured.version>2.9.0</rest-assured.version>
-
         <!-- maven plugins -->
         <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
-
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-freemarker/pom.xml b/spring-freemarker/pom.xml
index bdf7e97bce..07d37736b6 100644
--- a/spring-freemarker/pom.xml
+++ b/spring-freemarker/pom.xml
@@ -1,6 +1,7 @@
 <?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/maven-v4_0_0.xsd">
+<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/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.freemarker</groupId>
     <artifactId>spring-freemarker</artifactId>
@@ -61,4 +62,4 @@
         <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-integration/pom.xml b/spring-integration/pom.xml
index f46445a39f..f5aaa93ff7 100644
--- a/spring-integration/pom.xml
+++ b/spring-integration/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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.samples.spring.integration</groupId>
     <artifactId>spring-integration</artifactId>
@@ -16,7 +17,6 @@
     </parent>
 
     <dependencies>
-
         <!-- Testing -->
         <dependency>
             <groupId>org.springframework.integration</groupId>
@@ -74,14 +74,12 @@
             <artifactId>spring-integration-jdbc</artifactId>
             <version>${spring.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-test</artifactId>
             <version>${spring.version}</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
@@ -124,4 +122,4 @@
         <h2.version>1.4.197</h2.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/spring-webflux-threads/pom.xml b/spring-webflux-threads/pom.xml
index 15224fcd14..bc5050b660 100644
--- a/spring-webflux-threads/pom.xml
+++ b/spring-webflux-threads/pom.xml
@@ -1,6 +1,7 @@
 <?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">
+<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.spring</groupId>
     <artifactId>spring-webflux-threads</artifactId>
@@ -21,33 +22,16 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webflux</artifactId>
             <!-- Uncomment the following to switch from Netty to Tomcat/Jetty -->
-            <!--
-            <exclusions>
-                <exclusion>
-                    <groupId>org.springframework.boot</groupId>
-                    <artifactId>spring-boot-starter-reactor-netty</artifactId>
-                </exclusion>
-            </exclusions>
-            -->
+            <!-- <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-reactor-netty</artifactId> 
+                </exclusion> </exclusions> -->
         </dependency>
         <!-- Uncomment the following to switch from Netty to Tomcat -->
-        <!--
-        <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> -->
         <!-- Uncomment the following to switch from Netty to Jetty -->
-        <!--
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-jetty</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.eclipse.jetty</groupId>
-            <artifactId>jetty-reactive-httpclient</artifactId>
-        </dependency>
-        -->
+        <!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jetty</artifactId> 
+            </dependency> <dependency> <groupId>org.eclipse.jetty</groupId> <artifactId>jetty-reactive-httpclient</artifactId> 
+            </dependency> -->
         <dependency>
             <groupId>io.reactivex.rxjava2</groupId>
             <artifactId>rxjava</artifactId>
@@ -87,4 +71,4 @@
         </plugins>
     </build>
 
-</project>
+</project>
\ No newline at end of file