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https://issues.apache.org/jira/browse/LOG4J2-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14056530#comment-14056530
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Gary Gregory commented on LOG4J2-706:
-------------------------------------
I created and fixed [LOG4J2-707] which should help in diagnosing these kinds of
issues.
To get this extra information, you'll need to checkout and build trunk locally
with Maven with "mvn clean install" and then make your project depend on
2.0-SNAPSHOT instead of 2.0-rc2.
> InvocationTargetException with RollingFileAppender in Log4J2
> ------------------------------------------------------------
>
> Key: LOG4J2-706
> URL: https://issues.apache.org/jira/browse/LOG4J2-706
> Project: Log4j 2
> Issue Type: Question
> Components: Appenders
> Affects Versions: 2.0-rc2
> Reporter: David Roberts
> Priority: Minor
>
> I'm trying to use a RollingFileAppender in Log4J2 and apparently I'm missing
> something. The file is created with 0 bytes, but no logging goes to it.
> When I turn on the trace I see the following error message logged (to the
> console) by log4J2:
> 2014-07-08 19:51:11,354 DEBUG Starting RollingFileManager c:/logs/blah.log
> 2014-07-08 19:51:11,464 DEBUG Generated plugins in 0.108079890 seconds
> 2014-07-08 19:51:11,465 ERROR Unable to invoke method createAppender in
> class org.apache.logging.log4j.core.appender.RollingFileAppender for element
> RollingFile java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.logging.log4j.core.config.BaseConfiguration.createPluginObject(BaseConfiguration.java:913)
> This is my config file:
> <?xml version="1.0" encoding="UTF-8"?>
> <configuration status="TRACE" verbose="false">
> <appenders>
> <Console name="Console" target="SYSTEM_OUT">
> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}
> - %msg%n"/>
> </Console>
> <RollingFile name="Blah" fileName="c:/logs/blah.log"
> filePattern="c:/logs/blah-%i.log">
> <PatternLayout pattern="%d %p %c: %m%n"/>
> <Policies>
> <TimeBasedTriggeringPolicy />
> <SizeBasedTriggeringPolicy size="1 MB"/>
> </Policies>
> <DefaultRolloverStrategy max="10"/>
> </RollingFile>
> </appenders>
> <loggers>
> <root level="INFO">
> <appender-ref ref="Blah" level="INFO"/>
> </root>
> </loggers>
> </configuration>
> It's probably something basic but I can't find it. I posted on stackoverflow
> and Remko Popma asked me to post a ticket here.
> I was getting the problem on rc1, but I have now updated to rc2 and I still
> see the same issue.
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