Java – cannot be in class org apache. log4j. core. layout. Calling factory methods for element jsonlayout in jsonlayout

• Java

I tried to log in to JSON format through log4j2

This is my log4j2 XML file:

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="debug" name="MyApp" packages="org.apache.logging.log4j.core.layout.JSONLayout">
<Appenders>
    <RollingRandomAccessFile name="RollingRandomAccessFile" fileName="logs/app3.log"
                         filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz" append="false">
        <JsonLayout/>
        <Policies>
            <TimeBasedTriggeringPolicy />
            <SizeBasedTriggeringPolicy size="250 MB"/>
        </Policies>
        <DefaultRolloverStrategy max="20"/>
    </RollingRandomAccessFile>
</Appenders>
<Loggers>
    <Root level="trace">
        <AppenderRef ref="RollingRandomAccessFile"/>
    </Root>
</Loggers>
</Configuration>

These are the dependencies I use:

<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-api</artifactId>
    <version>2.5</version>      
</dependency>
<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-core</artifactId>
    <version>2.5</version>      
</dependency>
    <dependency>
  <groupId>net.logstash.log4j</groupId>
  <artifactId>jsonevent-layout</artifactId>
  <version>1.7</version>
</dependency><dependency>
  <groupId>org.codehaus.jackson</groupId>
  <artifactId>jackson-core-asl</artifactId>
  <version>1.9.13</version>
</dependency>

When I run the program, I receive the following error:

543 main ERROR Unable to invoke factory method in class class org.apache.logging.log4j.core.layout.JsonLayout for element JsonLayout.

Commissioning:

2016-05-09 16:06:04,909 main DEBUG Initializing configuration XmlConfiguration[location=/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml]
2016-05-09 16:06:04,916 main DEBUG Installed script engines
2016-05-09 16:06:05,717 main DEBUG Oracle Nashorn Version: 1.8.0_91,Language: ECMAScript,Threading: Not Thread Safe,Compile: true,Names: {nashorn,Nashorn,js,JS,JavaScript,javascript,ECMAScript,ecmascript}
2016-05-09 16:06:05,823 main DEBUG Took 0.104995 seconds to load 14 plugins from package org.apache.logging.log4j.core.layout
2016-05-09 16:06:05,824 main DEBUG PluginManager 'Core' found 97 plugins
2016-05-09 16:06:05,824 main DEBUG PluginManager 'Level' found 0 plugins
2016-05-09 16:06:05,831 main DEBUG No scheduled items
2016-05-09 16:06:05,835 main DEBUG PluginManager 'Lookup' found 13 plugins
2016-05-09 16:06:05,837 main DEBUG Building Plugin[name=layout,class=org.apache.logging.log4j.core.layout.JsonLayout].
2016-05-09 16:06:05,853 main DEBUG PluginManager 'TypeConverter' found 23 plugins
2016-05-09 16:06:05,863 main DEBUG createLayout(locationInfo="false",properties="false",complete="false",compact="false",eventEol="false",charset="UTF-8")
2016-05-09 16:06:05,864 main ERROR Unable to invoke factory method in class class org.apache.logging.log4j.core.layout.JsonLayout for element JSONLayout.
2016-05-09 16:06:05,865 main DEBUG Building Plugin[name=TimeBasedTriggeringPolicy,class=org.apache.logging.log4j.core.appender.rolling.TimeBasedTriggeringPolicy].
2016-05-09 16:06:05,867 main DEBUG createPolicy(interval="null",modulate="null")
2016-05-09 16:06:05,868 main DEBUG Building Plugin[name=SizeBasedTriggeringPolicy,class=org.apache.logging.log4j.core.appender.rolling.SizeBasedTriggeringPolicy].
2016-05-09 16:06:05,869 main DEBUG createPolicy(size="250 MB")
2016-05-09 16:06:05,872 main DEBUG Building Plugin[name=Policies,class=org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy].
2016-05-09 16:06:05,882 main DEBUG createPolicy(={TimeBasedTriggeringPolicy(nextRolloverMillis=0,interval=1,modulate=false),SizeBasedTriggeringPolicy(size=262144000)})
2016-05-09 16:06:05,882 main DEBUG Building Plugin[name=DefaultRolloverStrategy,class=org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy].
2016-05-09 16:06:05,887 main DEBUG createStrategy(max="20",min="null",fileIndex="null",compressionLevel="null",={},stopCustomActionsOnError="true",Configuration(/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml))
2016-05-09 16:06:05,888 main DEBUG Building Plugin[name=appender,class=org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender].
2016-05-09 16:06:05,892 main DEBUG createAppender(fileName="logs/app3.log",filePattern="logs/${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz",append="false",name="RollingRandomAccessFile",immediateFlush="null",bufferSize="null",Policies(CompositeTriggeringPolicy(policies=[TimeBasedTriggeringPolicy(nextRolloverMillis=0,SizeBasedTriggeringPolicy(size=262144000)])),DefaultRolloverStrategy(DefaultRolloverStrategy(min=1,max=20)),JSONLayout(null),Filter=null,ignoreExceptions="null",advertise="null",advertiseURI="null",893 main INFO Log4j appears to be running in a Servlet environment,but there's no log4j-web module available. If you want better web container support,please add the log4j-web JAR to your web archive or server lib directory.
2016-05-09 16:06:05,894 main DEBUG PluginManager 'Converter' found 38 plugins
2016-05-09 16:06:05,895 main DEBUG Starting OutputStreamManager SYstem_OUT.false-2
2016-05-09 16:06:05,909 main DEBUG Starting RollingRandomAccessFileManager logs/app3.log
2016-05-09 16:06:05,914 main DEBUG PluginManager 'FileConverter' found 2 plugins
2016-05-09 16:06:05,935 main DEBUG Building Plugin[name=appenders,class=org.apache.logging.log4j.core.config.AppendersPlugin].
2016-05-09 16:06:05,936 main DEBUG createAppenders(={RollingRandomAccessFile})
2016-05-09 16:06:05,936 main DEBUG Building Plugin[name=AppenderRef,class=org.apache.logging.log4j.core.config.AppenderRef].
2016-05-09 16:06:05,937 main DEBUG createAppenderRef(ref="RollingRandomAccessFile",level="null",Filter=null)
2016-05-09 16:06:05,937 main DEBUG Building Plugin[name=root,class=org.apache.logging.log4j.core.config.LoggerConfig$RootLogger].
2016-05-09 16:06:05,938 main DEBUG createLogger(additivity="null",level="TRACE",includeLocation="null",={RollingRandomAccessFile},Configuration(/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml),941 main DEBUG Building Plugin[name=loggers,class=org.apache.logging.log4j.core.config.LoggersPlugin].
2016-05-09 16:06:05,943 main DEBUG createLoggers(={root})
2016-05-09 16:06:05,944 main DEBUG Configuration XmlConfiguration[location=/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml] initialized
2016-05-09 16:06:05,952 main DEBUG Starting configuration XmlConfiguration[location=/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml]
2016-05-09 16:06:05,952 main DEBUG Started configuration XmlConfiguration[location=/home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml] OK.
2016-05-09 16:06:05,953 main DEBUG Shutting down OutputStreamManager SYstem_OUT.false-1
2016-05-09 16:06:05,953 main DEBUG Stopped org.apache.logging.log4j.core.config.DefaultConfiguration@7de26db8 OK
2016-05-09 16:06:06,027 main DEBUG Registering MBean org.apache.logging.log4j2:type=1a6c5a9e
2016-05-09 16:06:06,030 main DEBUG Registering MBean org.apache.logging.log4j2:type=1a6c5a9e,component=StatusLogger
2016-05-09 16:06:06,032 main DEBUG Registering MBean org.apache.logging.log4j2:type=1a6c5a9e,component=ContextSelector
2016-05-09 16:06:06,034 main DEBUG Registering MBean org.apache.logging.log4j2:type=1a6c5a9e,component=Loggers,name=
2016-05-09 16:06:06,036 main DEBUG Registering MBean org.apache.logging.log4j2:type=1a6c5a9e,component=Appenders,name=RollingRandomAccessFile
2016-05-09 16:06:06,041 main DEBUG Reconfiguration complete for context[name=1a6c5a9e] at URI /home/mrunal/repo/jigsaw/jigsaw/jigsaw-solution/jigsaw-matchmanager-business/target/classes/log4j2.xml (org.apache.logging.log4j.core.LoggerContext@732c2a62) with optional ClassLoader: null
2016-05-09 16:06:06,041 main DEBUG Shutdown hook enabled. Registering a new one.
16-05-09 16:06:06,043 main DEBUG LoggerContext[name=1a6c5a9e,org.apache.logging.log4j.core.LoggerContext@732c2a62] started OK.

Did I miss dependence or something else? Please suggest possible things I can try to solve this problem If you know a better solution for writing logs in logstash JSON format, you may suggest

Solution

I suspect you missed one of Jackson's dependencies

You have Jackson core ASL, and I think you need these three:

> com. fasterxml. jackson. core:jackson-core：jar：2.6. 3 > com. fasterxml. jackson. core:@R_ 301_ 346@：jar：2.6. 3 > com. fasterxml. jackson. core:jackson-annotations：jar：2.6. 0

The final real source of dependency is the dependency tree of log4j 2 implementation module

By setting < configuration status = "debug", You can get more details about this problem

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