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@NBParis NBParis/app.java

Last active Jul 2, 2020
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JSON format with Log4j2
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class App {
public static void main(String[] args) {
Logger logger = LogManager.getLogger(App.class);
logger.trace("Index :: Logging Message !");
String foo = "";
try {
foo.charAt(18);
} catch (Exception e) {
logger.error(e);
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<JSONLayout compact="true" eventEol="true" properties="true"/>
</Console>
</Appenders>
<Loggers>
<Root level="TRACE">
<AppenderRef ref="Console" />
</Root>
</Loggers>
</Configuration>
{"timeMillis":1477301898899,"thread":"main","level":"TRACE","loggerName":"App","message":"Index :: Logging Message !","endOfBatch":false,"loggerFqcn":"org.apache.logging.log4j.spi.AbstractLogger","contextMap":{},"threadId":1,"threadPriority":5}
{"timeMillis":1477301898965,"thread":"main","level":"ERROR","loggerName":"App","message":"","thrown":{"commonElementCount":0,"localizedMessage":"String index out of range: 18","message":"String index out of range: 18","name":"java.lang.StringIndexOutOfBoundsException","extendedStackTrace":[{"class":"java.lang.String","method":"charAt","file":"String.java","line":658,"exact":false,"location":"?","version":"1.8.0_92"},{"class":"App","method":"main","file":"App.java","line":16,"exact":true,"location":"classes/","version":"?"},{"class":"sun.reflect.NativeMethodAccessorImpl","method":"invoke0","file":"NativeMethodAccessorImpl.java","line":-2,"exact":false,"location":"?","version":"1.8.0_92"},{"class":"sun.reflect.NativeMethodAccessorImpl","method":"invoke","file":"NativeMethodAccessorImpl.java","line":62,"exact":false,"location":"?","version":"1.8.0_92"},{"class":"sun.reflect.DelegatingMethodAccessorImpl","method":"invoke","file":"DelegatingMethodAccessorImpl.java","line":43,"exact":false,"location":"?","version":"1.8.0_92"},{"class":"java.lang.reflect.Method","method":"invoke","file":"Method.java","line":498,"exact":false,"location":"?","version":"1.8.0_92"},{"class":"com.intellij.rt.execution.application.AppMain","method":"main","file":"AppMain.java","line":144,"exact":true,"location":"idea_rt.jar","version":"?"}]},"endOfBatch":false,"loggerFqcn":"org.apache.logging.log4j.spi.AbstractLogger","contextMap":{},"threadId":1,"threadPriority":5}
Process finished with exit code 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>datadog</groupId>
<artifactId>support</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.7</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.8.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.8.3</version>
</dependency>
</dependencies>
</project>
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