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Posted to log4j-dev@logging.apache.org by "Seth Leger (JIRA)" <ji...@apache.org> on 2014/09/16 20:21:34 UTC
[jira] [Commented] (LOG4J2-832) ThrowableProxy fails if
sun.reflect.misc.Trampoline is in logged stack trace
[ https://issues.apache.org/jira/browse/LOG4J2-832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135884#comment-14135884 ]
Seth Leger commented on LOG4J2-832:
-----------------------------------
This is the cause of the following issue:
https://groups.google.com/forum/#!topic/lmax-disruptor/yLUPn4kkzkk/overview
> ThrowableProxy fails if sun.reflect.misc.Trampoline is in logged stack trace
> ----------------------------------------------------------------------------
>
> Key: LOG4J2-832
> URL: https://issues.apache.org/jira/browse/LOG4J2-832
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0, 2.0.2
> Environment: Java 1.7u60, Java 1.7u25
> Reporter: Seth Leger
> Priority: Blocker
>
> When the Logger attempts to log a message with an exception stack trace, it uses the ThrowableProxy class to introspect classes in the stack trace frames.
> If the class sun.reflect.misc.Trampoline is in the stack trace, the introspection performed by ThrowableProxy will fail causing a java.lang.Error to be thrown by the Logger call.
> The sun.reflect.misc.Trampoline class is used by the sun.reflect.misc.MethodUtil class to perform reflection-based method invocations. MethodUtil is widely used by libraries to perform method invocations. I've encountered this problem when invoking methods over JMX and inside Jetty.
> I am classifying this as a blocker because it means that any logging statement that is logging a Throwable message containing a MethodUtil-based reflection stack trace can cause a java.lang.Error to be thrown by Log4j2.
> I will attach a unit test for this failure.
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