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BAEL-41 Intro to Log4J2 code simplification and refactoring

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This commit is contained in:
dhruba619 2017-02-20 12:52:19 +05:30
parent 6d9c24ad9e
commit 99c8ee5228
16 changed files with 273 additions and 414 deletions
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179
log4j2/pom.xml
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@ -1,105 +1,104 @@
<?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>
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>log4j2</artifactId>
<artifactId>log4j2</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<dependencies>
<!-- This is the needed core component. -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j-core.version}</version>
</dependency>
<dependencies>
<!-- This is the needed core component. -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j-core.version}</version>
</dependency>
<!-- This is used by JSONLayout. -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- This is used by JSONLayout. -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- This is used by XMLLayout. -->
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- This is used by XMLLayout. -->
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- This is used by JDBC Appender. -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>${commons-dbcp2.version}</version>
</dependency>
<!-- This is used by JDBC Appender. -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>${commons-dbcp2.version}</version>
</dependency>
<!-- This is used for testing only. -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j-core.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<!-- This is used for testing only. -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j-core.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
<configuration>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
<configuration>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
</plugins>
</build>
<properties>
<jackson.version>2.8.5</jackson.version>
<h2.version>1.4.193</h2.version>
<commons-dbcp2.version>2.1.1</commons-dbcp2.version>
<log4j-core.version>2.7</log4j-core.version>
<junit.version>4.12</junit.version>
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
</properties>
<properties>
<jackson.version>2.8.5</jackson.version>
<h2.version>1.4.193</h2.version>
<commons-dbcp2.version>2.1.1</commons-dbcp2.version>
<log4j-core.version>2.7</log4j-core.version>
<junit.version>4.12</junit.version>
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
</properties>
</project>

32
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/AsyncFileAppenderUsingJsonLayoutTest.java
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@ -1,32 +0,0 @@
package com.baeldung.logging.log4j2.tests;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.nio.file.Files;
import java.nio.file.Paths;
import static org.junit.Assert.assertTrue;
@RunWith(JUnit4.class)
public class AsyncFileAppenderUsingJsonLayoutTest {
@Rule
public LoggerContextRule contextRule =
new LoggerContextRule("log4j2-async-file-appender_json-layout.xml");
@Test
public void givenLoggerWithAsyncConfig_shouldLogToJsonFile()
throws Exception {
Logger logger = contextRule.getLogger(getClass().getSimpleName());
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is async JSON message #{} at INFO level.", count);
}
long logEventsCount = Files.lines(Paths.get("target/logfile.json")).count();
assertTrue(logEventsCount > 0 && logEventsCount <= count);
}
}

21
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/ConsoleAppenderUsingDefaultLayoutTest.java
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@ -1,21 +0,0 @@
package com.baeldung.logging.log4j2.tests;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class ConsoleAppenderUsingDefaultLayoutTest {
@Test
public void givenLoggerWithDefaultConfig_shouldLogToConsole()
throws Exception {
Logger logger = LogManager.getLogger(getClass());
Exception e = new RuntimeException("This is only a test!");
logger.info("This is a simple message at INFO level. " +
"It will be hidden.");
logger.error("This is a simple message at ERROR level. " +
"This is the minimum visible level.", e);
}
}

51
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/ConsoleAppenderUsingPatternLayoutWithColorsTest.java
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@ -1,51 +0,0 @@
package com.baeldung.logging.log4j2.tests;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.MarkerManager;
import org.apache.logging.log4j.ThreadContext;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class ConsoleAppenderUsingPatternLayoutWithColorsTest {
@Rule
public LoggerContextRule contextRule =
new LoggerContextRule("log4j2-console-appender_pattern-layout.xml");
@Test
public void givenLoggerWithConsoleConfig_shouldLogToConsoleInColors()
throws Exception {
Logger logger = contextRule.getLogger(getClass().getSimpleName());
logger.trace("This is a colored message at TRACE level.");
logger.debug("This is a colored message at DEBUG level. " +
"This is the minimum visible level.");
logger.info("This is a colored message at INFO level.");
logger.warn("This is a colored message at WARN level.");
Exception e = new RuntimeException("This is only a test!");
logger.error("This is a colored message at ERROR level.", e);
logger.fatal("This is a colored message at FATAL level.");
}
@Test
public void givenLoggerWithConsoleConfig_shouldFilterByMarker() throws Exception {
Logger logger = contextRule.getLogger("ConnTrace");
Marker appError = MarkerManager.getMarker("APP_ERROR");
logger.error(appError, "This marker message at ERROR level should be hidden.");
Marker connectionTrace = MarkerManager.getMarker("CONN_TRACE");
logger.trace(connectionTrace, "This is a marker message at TRACE level.");
}
@Test
public void givenLoggerWithConsoleConfig_shouldFilterByThreadContext() throws Exception {
Logger logger = contextRule.getLogger("UserAudit");
ThreadContext.put("userId", "1000");
logger.info("This is a log-visible user login. Maybe from an admin account?");
ThreadContext.put("userId", "1001");
logger.info("This is a log-invisible user login.");
boolean b = true;
}
}

121
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/CustomLoggingTest.java Normal file
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@ -0,0 +1,121 @@
package com.baeldung.logging.log4j2.tests;
import static org.junit.Assert.assertTrue;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.ResultSet;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.MarkerManager;
import org.apache.logging.log4j.ThreadContext;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import com.baeldung.logging.log4j2.tests.jdbc.ConnectionFactory;
@RunWith(JUnit4.class)
public class CustomLoggingTest {
@BeforeClass
public static void setup() throws Exception {
Connection connection = ConnectionFactory.getConnection();
connection.createStatement()
.execute("CREATE TABLE logs(" + "when TIMESTAMP," + "logger VARCHAR(255)," + "level VARCHAR(255)," + "message VARCHAR(4096)," + "throwable TEXT)");
connection.commit();
}
@Test
public void givenLoggerWithDefaultConfig_shouldLogToConsole() throws Exception {
Logger logger = LogManager.getLogger(getClass());
Exception e = new RuntimeException("This is only a test!");
logger.info("This is a simple message at INFO level. " + "It will be hidden.");
logger.error("This is a simple message at ERROR level. " + "This is the minimum visible level.", e);
}
@Test
public void givenLoggerWithConsoleConfig_shouldLogToConsoleInColors() throws Exception {
Logger logger = LogManager.getLogger("CONSOLE_PATTERN_APPENDER_MARKER");
logger.trace("This is a colored message at TRACE level.");
logger.debug("This is a colored message at DEBUG level. " + "This is the minimum visible level.");
logger.info("This is a colored message at INFO level.");
logger.warn("This is a colored message at WARN level.");
Exception e = new RuntimeException("This is only a test!");
logger.error("This is a colored message at ERROR level.", e);
logger.fatal("This is a colored message at FATAL level.");
}
@Test
public void givenLoggerWithConsoleConfig_shouldFilterByMarker() throws Exception {
Logger logger = LogManager.getLogger("CONSOLE_PATTERN_APPENDER_MARKER");
Marker appError = MarkerManager.getMarker("APP_ERROR");
logger.error(appError, "This marker message at ERROR level should be hidden.");
Marker connectionTrace = MarkerManager.getMarker("CONN_TRACE");
logger.trace(connectionTrace, "This is a marker message at TRACE level.");
}
@Test
public void givenLoggerWithConsoleConfig_shouldFilterByThreadContext() throws Exception {
Logger logger = LogManager.getLogger("CONSOLE_PATTERN_APPENDER_THREAD_CONTEXT");
ThreadContext.put("userId", "1000");
logger.info("This is a log-visible user login. Maybe from an admin account?");
ThreadContext.put("userId", "1001");
logger.info("This is a log-invisible user login.");
}
@Test
public void givenLoggerWithAsyncConfig_shouldLogToJsonFile() throws Exception {
Logger logger = LogManager.getLogger("ASYNC_JSON_FILE_APPENDER");
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is async JSON message #{} at INFO level.", count);
}
long logEventsCount = Files.lines(Paths.get("target/logfile.json"))
.count();
assertTrue(logEventsCount > 0 && logEventsCount <= count);
}
@Test
public void givenLoggerWithFailoverConfig_shouldLog() throws Exception {
Logger logger = LogManager.getLogger("FAIL_OVER_SYSLOG_APPENDER");
logger.trace("This is a syslog message at TRACE level.");
logger.debug("This is a syslog message at DEBUG level.");
logger.info("This is a syslog message at INFO level. This is the minimum visible level.");
logger.warn("This is a syslog message at WARN level.");
Exception e = new RuntimeException("This is only a test!");
logger.error("This is a syslog message at ERROR level.", e);
logger.fatal("This is a syslog message at FATAL level.");
}
@Test
public void givenLoggerWithJdbcConfig_shouldLogToDataSource() throws Exception {
Logger logger = LogManager.getLogger("JDBC_APPENDER");
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is JDBC message #{} at INFO level.", count);
}
Connection connection = ConnectionFactory.getConnection();
ResultSet resultSet = connection.createStatement()
.executeQuery("SELECT COUNT(*) AS ROW_COUNT FROM logs");
int logCount = 0;
if (resultSet.next()) {
logCount = resultSet.getInt("ROW_COUNT");
}
assertTrue(logCount == count);
}
@Test
public void givenLoggerWithRollingFileConfig_shouldLogToXMLFile() throws Exception {
Logger logger = LogManager.getLogger("XML_ROLLING_FILE_APPENDER");
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is rolling file XML message #{} at INFO level.", i);
}
}
}

27
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/FailoverSyslogConsoleAppenderTest.java
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package com.baeldung.logging.log4j2.tests;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class FailoverSyslogConsoleAppenderTest {
@Rule
public LoggerContextRule contextRule =
new LoggerContextRule("log4j2-failover-syslog-console-appender_pattern-layout.xml");
@Test
public void givenLoggerWithFailoverConfig_shouldLog() throws Exception {
Logger logger = contextRule.getLogger(getClass().getSimpleName());
logger.trace("This is a syslog message at TRACE level.");
logger.debug("This is a syslog message at DEBUG level.");
logger.info("This is a syslog message at INFO level. This is the minimum visible level.");
logger.warn("This is a syslog message at WARN level.");
Exception e = new RuntimeException("This is only a test!");
logger.error("This is a syslog message at ERROR level.", e);
logger.fatal("This is a syslog message at FATAL level.");
}
}

51
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/JDBCAppenderTest.java
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@ -1,51 +0,0 @@
package com.baeldung.logging.log4j2.tests;
import com.baeldung.logging.log4j2.tests.jdbc.ConnectionFactory;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.sql.Connection;
import java.sql.ResultSet;
import static org.junit.Assert.assertTrue;
@RunWith(JUnit4.class)
public class JDBCAppenderTest {
@Rule
public LoggerContextRule contextRule = new LoggerContextRule("log4j2-jdbc-appender.xml");
@BeforeClass
public static void setup() throws Exception {
Connection connection = ConnectionFactory.getConnection();
connection.createStatement()
.execute("CREATE TABLE logs(" +
"when TIMESTAMP," +
"logger VARCHAR(255)," +
"level VARCHAR(255)," +
"message VARCHAR(4096)," +
"throwable TEXT)");
//connection.commit();
}
@Test
public void givenLoggerWithJdbcConfig_shouldLogToDataSource() throws Exception {
Logger logger = contextRule.getLogger(getClass().getSimpleName());
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is JDBC message #{} at INFO level.", count);
}
Connection connection = ConnectionFactory.getConnection();
ResultSet resultSet = connection.createStatement()
.executeQuery("SELECT COUNT(*) AS ROW_COUNT FROM logs");
int logCount = 0;
if (resultSet.next()) {
logCount = resultSet.getInt("ROW_COUNT");
}
assertTrue(logCount == count);
}
}

34
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/RollingFileAppenderUsingXMLLayoutTest.java
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@ -1,34 +0,0 @@
package com.baeldung.logging.log4j2.tests;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.stream.Collectors;
import static org.junit.Assert.assertTrue;
@RunWith(JUnit4.class)
public class RollingFileAppenderUsingXMLLayoutTest {
@Rule
public LoggerContextRule contextRule =
new LoggerContextRule("log4j2-rolling-file-appender_xml-layout.xml");
@Test
public void givenLoggerWithRollingFileConfig_shouldLogToXMLFile() throws Exception {
Logger logger = contextRule.getLogger(getClass().getSimpleName());
final int count = 88;
for (int i = 0; i < count; i++) {
logger.info("This is rolling file XML message #{} at INFO level.", i);
}
String[] logEvents = Files.readAllLines(Paths.get("target/logfile.xml")).stream()
.collect(Collectors.joining(System.lineSeparator()))
.split("\\n\\n+");
assertTrue(logEvents.length == 39);
}
}

1
log4j2/src/test/java/com/baeldung/logging/log4j2/tests/jdbc/ConnectionFactory.java
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@ -2,7 +2,6 @@ package com.baeldung.logging.log4j2.tests.jdbc;
import org.apache.commons.dbcp2.BasicDataSource;
import org.h2.Driver;
import java.sql.Connection;
import java.sql.SQLException;

17
log4j2/src/test/resources/log4j2-async-file-appender_json-layout.xml
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@ -1,17 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<File name="JSONLogfileAppender" fileName="target/logfile.json">
<JSONLayout compact="true" eventEol="true"/>
<BurstFilter level="INFO" rate="2" maxBurst="10"/>
</File>
<Async name="AsyncAppender" bufferSize="80">
<AppenderRef ref="JSONLogfileAppender"/>
</Async>
</Appenders>
<Loggers>
<Root level="INFO">
<AppenderRef ref="AsyncAppender"/>
</Root>
</Loggers>
</Configuration>

27
log4j2/src/test/resources/log4j2-console-appender_pattern-layout.xml
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@ -1,27 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" xmlns:xi="http://www.w3.org/2001/XInclude">
<Appenders>
<xi:include href="log4j2-includes/console-appender_pattern-layout_colored.xml"/>
<Console name="ConsoleRedAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%style{%message}{red}%n"/>
<MarkerFilter marker="CONN_TRACE"/>
</Console>
<Console name="ConsoleGreenAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%style{userId=%X{userId}:}{white} %style{%message}{green}%n"/>
</Console>
</Appenders>
<Loggers>
<Logger name="ConnTrace" level="TRACE" additivity="false">
<AppenderRef ref="ConsoleRedAppender"/>
</Logger>
<Logger name="UserAudit" level="INFO" additivity="false">
<AppenderRef ref="ConsoleGreenAppender"/>
<ThreadContextMapFilter>
<KeyValuePair key="userId" value="1000"/>
</ThreadContextMapFilter>
</Logger>
<Root level="DEBUG">
<AppenderRef ref="ConsoleAppender"/>
</Root>
</Loggers>
</Configuration>

20
log4j2/src/test/resources/log4j2-failover-syslog-console-appender_pattern-layout.xml
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@ -1,20 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" xmlns:xi="http://www.w3.org/2001/XInclude">
<Appenders>
<xi:include href="log4j2-includes/console-appender_pattern-layout_colored.xml"/>
<Syslog name="Syslog" host="localhost" port="514" protocol="TCP" ignoreExceptions="false"/>
<Failover name="FailoverAppender" primary="Syslog">
<Failovers>
<AppenderRef ref="ConsoleAppender"/>
</Failovers>
</Failover>
</Appenders>
<Loggers>
<Root level="TRACE">
<AppenderRef ref="FailoverAppender"/>
</Root>
</Loggers>
</Configuration>

3
log4j2/src/test/resources/log4j2-includes/console-appender_pattern-layout_colored.xml
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@ -1,4 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<Console name="ConsoleAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%style{%date{DEFAULT}}{yellow} [%style{%thread}{white}] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green, DEBUG=cyan, TRACE=blue} %style{%logger{36}}{cyan}:%n[+] %message%n%throwable"/>
<PatternLayout
pattern="%style{%date{DEFAULT}}{yellow} [%style{%thread}{white}] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green, DEBUG=cyan, TRACE=blue} %style{%logger{36}}{cyan}:%n[+] %message%n%throwable" />
</Console>

19
log4j2/src/test/resources/log4j2-jdbc-appender.xml
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@ -1,19 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<JDBC name="JDBCAppender" tableName="logs">
<ConnectionFactory class="com.baeldung.logging.log4j2.tests.jdbc.ConnectionFactory"
method="getConnection"/>
<Column name="when" isEventTimestamp="true"/>
<Column name="logger" pattern="%logger"/>
<Column name="level" pattern="%level"/>
<Column name="message" pattern="%message"/>
<Column name="throwable" pattern="%ex{full}"/>
</JDBC>
</Appenders>
<Loggers>
<Root level="trace">
<AppenderRef ref="JDBCAppender"/>
</Root>
</Loggers>
</Configuration>

18
log4j2/src/test/resources/log4j2-rolling-file-appender_xml-layout.xml
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@ -1,18 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<RollingFile name="XMLLogfileAppender"
fileName="target/logfile.xml"
filePattern="target/logfile-%d{yyyy-MM-dd}-%i.log.gz">
<XMLLayout/>
<Policies>
<SizeBasedTriggeringPolicy size="17 kB"/>
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<Root level="TRACE">
<AppenderRef ref="XMLLogfileAppender"/>
</Root>
</Loggers>
</Configuration>

66
log4j2/src/test/resources/log4j2.xml
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@ -1,13 +1,69 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Configuration xmlns:xi="http://www.w3.org/2001/XInclude" status="WARN">
<Appenders>
<xi:include href="log4j2-includes/console-appender_pattern-layout_colored.xml" />
<Console name="ConsoleAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%d [%t] %-5level %logger{36} - %msg%n%throwable"/>
<PatternLayout pattern="%d [%t] %-5level %logger{36} - %msg%n%throwable" />
</Console>
<Console name="ConsoleRedAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%style{%message}{red}%n" />
<MarkerFilter marker="CONN_TRACE" />
</Console>
<Console name="ConsoleGreenAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%style{userId=%X{userId}:}{white} %style{%message}{green}%n" />
</Console>
<File name="JSONLogfileAppender" fileName="target/logfile.json">
<JSONLayout compact="true" eventEol="true" />
<BurstFilter level="INFO" rate="2" maxBurst="10" />
</File>
<Async name="AsyncAppender" bufferSize="80">
<AppenderRef ref="JSONLogfileAppender" />
</Async>
<Syslog name="Syslog" format="RFC5424" host="localhost" port="514" protocol="TCP" facility="local3" connectTimeoutMillis="10000" reconnectionDelayMillis="5000" />
<Failover name="FailoverAppender" primary="Syslog">
<Failovers>
<AppenderRef ref="ConsoleAppender" />
</Failovers>
</Failover>
<JDBC name="JDBCAppender" tableName="logs">
<ConnectionFactory class="com.baeldung.logging.log4j2.tests.jdbc.ConnectionFactory" method="getConnection" />
<Column name="when" isEventTimestamp="true" />
<Column name="logger" pattern="%logger" />
<Column name="level" pattern="%level" />
<Column name="message" pattern="%message" />
<Column name="throwable" pattern="%ex{full}" />
</JDBC>
<RollingFile name="XMLRollingfileAppender" fileName="target/logfile.xml" filePattern="target/logfile-%d{yyyy-MM-dd}-%i.log.gz">
<XMLLayout />
<Policies>
<SizeBasedTriggeringPolicy size="17 kB" />
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<Root level="ERROR">
<AppenderRef ref="ConsoleAppender"/>
<Logger name="CONSOLE_PATTERN_APPENDER_MARKER" level="TRACE" additivity="false">
<AppenderRef ref="ConsoleRedAppender" />
</Logger>
<Logger name="CONSOLE_PATTERN_APPENDER_THREAD_CONTEXT" level="INFO" additivity="false">
<AppenderRef ref="ConsoleGreenAppender" />
<ThreadContextMapFilter>
<KeyValuePair key="userId" value="1000" />
</ThreadContextMapFilter>
</Logger>
<Logger name="ASYNC_JSON_FILE_APPENDER" level="INFO" additivity="false">
<AppenderRef ref="AsyncAppender" />
</Logger>
<Logger name="FAIL_OVER_SYSLOG_APPENDER" level="INFO" additivity="false">
<AppenderRef ref="FailoverAppender" />
</Logger>
<Logger name="JDBC_APPENDER" level="INFO" additivity="false">
<AppenderRef ref="JDBCAppender" />
</Logger>
<Logger name="XML_ROLLING_FILE_APPENDER" level="INFO" additivity="false">
<AppenderRef ref="XMLRollingfileAppender" />
</Logger>
<Root level="DEBUG">
<AppenderRef ref="ConsoleAppender" />
</Root>
</Loggers>
</Configuration>
</Configuration>