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https://issues.apache.org/jira/browse/LOG4J2-640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14020447#comment-14020447
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Matt Sicker commented on LOG4J2-640:
------------------------------------
This is probably due to the TCCL being null if it's the system classloader. I'm
on it.
> java.lang.NullPointerException cause by
> NULLThread.currentThread().getContextClassLoader() when logging
> -------------------------------------------------------------------------------------------------------
>
> Key: LOG4J2-640
> URL: https://issues.apache.org/jira/browse/LOG4J2-640
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0-rc1
> Environment: Linux,java 1.6
> Reporter: LIUJIAN
> Assignee: Matt Sicker
>
> EXCEPTION:
> java.lang.NullPointerException
> at
> org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:468)
> at
> org.apache.logging.log4j.core.impl.ThrowableProxy.resolvePackageData(ThrowableProxy.java:395)
> at
> org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:97)
> at
> org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:114)
> at
> org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:90)
> at
> org.apache.logging.log4j.core.impl.DefaultLogEventFactory.createEvent(DefaultLogEventFactory.java:49)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
> at org.apache.logging.log4j.core.Logger.log(Logger.java:112)
> at
> org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:605)
> at
> com.taobao.security.sm.service.manager.SmServiceConfigManager.handleAppConfig(SmServiceConfigManager.java:133)
> SOURCE:
> loadClass() in ThrowableProxy.java:
> clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
> REASON:
> Thread.currentThread().getContextClassLoader() return null to raise
> NullPointerException.
> pls fix it.
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