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From "ping cheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LOG4J2-1729) CronTriggeringPolicy using "evaluateOnStartup" cause dead lock
Date Fri, 09 Dec 2016 09:51:58 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ping cheng updated LOG4J2-1729:
-------------------------------
    Description: 
1. There is two classloder. Parent and Child.
2. Log4j*.jar is loaded by Parent and  log4j2.xml is loaded by Child.
3. The class using log4j is loaded by child.
4. The threadContextClassLoader is child.
5. Using  "evaluateOnStartup" and the log need rollover on startup.

Reason:
 Threre creat two LoggerContext. And two context load one config ,all need to rollover the
log.

This is stack:
"main" prio=10 tid=0x00007f3ce4010000 nid=0x5936 waiting on condition [0x00007f3cebd24000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000d9e17b98> (a java.util.concurrent.Semaphore$NonfairSync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
	at java.util.concurrent.Semaphore.acquire(Semaphore.java:317)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:247)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.setTriggeringPolicy(RollingFileManager.java:216)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.updateData(RollingFileManager.java:439)
	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:119)
	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:114)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:128)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:135)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:242)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
	at org.apache.logging.log4j.core.LoggerContext.getContext(LoggerContext.java:187)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:272)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.initialize(RollingFileManager.java:104)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:142)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:152)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:103)
	at org.apache.logging.log4j.jcl.LogAdapter.getContext(LogAdapter.java:39)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:42)
	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:40)
	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:55)
	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:655)
	at com.h3c.plugin.cp.Cp.<clinit>(Cp.java:10)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at java.lang.Class.newInstance(Class.java:374)
	at com.h3c.classloader.Plugin.loadBean(Plugin.java:36)
	at com.h3c.classloader.Main.testSimple(Main.java:25)
	at com.h3c.classloader.Main.main(Main.java:11)

  was:
1. There is two classloder. Parent and Child.
2. Log4j*.jar is loaded by Parent and  log4j2.xml is loaded by Child.
3. The class using log4j is loaded by child.
4. The threadContextClassLoader is child.
5. Using  "evaluateOnStartup" and the log need rollover on startup.



This is stack:
"main" prio=10 tid=0x00007f3ce4010000 nid=0x5936 waiting on condition [0x00007f3cebd24000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000d9e17b98> (a java.util.concurrent.Semaphore$NonfairSync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
	at java.util.concurrent.Semaphore.acquire(Semaphore.java:317)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:247)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.setTriggeringPolicy(RollingFileManager.java:216)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.updateData(RollingFileManager.java:439)
	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:119)
	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:114)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:128)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:135)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:242)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
	at org.apache.logging.log4j.core.LoggerContext.getContext(LoggerContext.java:187)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:272)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.initialize(RollingFileManager.java:104)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:142)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:152)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:103)
	at org.apache.logging.log4j.jcl.LogAdapter.getContext(LogAdapter.java:39)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:42)
	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:40)
	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:55)
	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:655)
	at com.h3c.plugin.cp.Cp.<clinit>(Cp.java:10)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at java.lang.Class.newInstance(Class.java:374)
	at com.h3c.classloader.Plugin.loadBean(Plugin.java:36)
	at com.h3c.classloader.Main.testSimple(Main.java:25)
	at com.h3c.classloader.Main.main(Main.java:11)


> CronTriggeringPolicy using "evaluateOnStartup" cause dead lock
> --------------------------------------------------------------
>
>                 Key: LOG4J2-1729
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1729
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.7
>            Reporter: ping cheng
>             Fix For: 2.7
>
>
> 1. There is two classloder. Parent and Child.
> 2. Log4j*.jar is loaded by Parent and  log4j2.xml is loaded by Child.
> 3. The class using log4j is loaded by child.
> 4. The threadContextClassLoader is child.
> 5. Using  "evaluateOnStartup" and the log need rollover on startup.
> Reason:
>  Threre creat two LoggerContext. And two context load one config ,all need to rollover
the log.
> This is stack:
> "main" prio=10 tid=0x00007f3ce4010000 nid=0x5936 waiting on condition [0x00007f3cebd24000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000d9e17b98> (a java.util.concurrent.Semaphore$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
> 	at java.util.concurrent.Semaphore.acquire(Semaphore.java:317)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:247)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
> 	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> 	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
> 	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
> 	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.setTriggeringPolicy(RollingFileManager.java:216)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.updateData(RollingFileManager.java:439)
> 	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:119)
> 	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:114)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:128)
> 	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:135)
> 	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
> 	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
> 	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
> 	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
> 	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
> 	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:242)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
> 	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
> 	at org.apache.logging.log4j.core.LoggerContext.getContext(LoggerContext.java:187)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:272)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:192)
> 	- locked <0x00000000d9e179f0> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> 	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:132)
> 	at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
> 	at org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
> 	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.initialize(RollingFileManager.java:104)
> 	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:142)
> 	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:1)
> 	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
> 	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
> 	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
> 	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
> 	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
> 	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:152)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:1)
> 	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
> 	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:103)
> 	at org.apache.logging.log4j.jcl.LogAdapter.getContext(LogAdapter.java:39)
> 	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:42)
> 	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:40)
> 	at org.apache.logging.log4j.jcl.LogFactoryImpl.getInstance(LogFactoryImpl.java:55)
> 	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:655)
> 	at com.h3c.plugin.cp.Cp.<clinit>(Cp.java:10)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at java.lang.Class.newInstance(Class.java:374)
> 	at com.h3c.classloader.Plugin.loadBean(Plugin.java:36)
> 	at com.h3c.classloader.Main.testSimple(Main.java:25)
> 	at com.h3c.classloader.Main.main(Main.java:11)



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