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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LOG4J2-832) ThrowableProxy fails if sun.reflect.misc.Trampoline is in logged stack trace
Date Tue, 16 Sep 2014 22:55:34 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Gregory updated LOG4J2-832:
--------------------------------
    Attachment: ggregory-log4j2-test.patch

> 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
>         Attachments: LOG4J2-832.patch, Log4j2MethodUtilTrampolineTest.java, ggregory-log4j2-test.patch,
ggregory-log4j2.patch, pom.xml
>
>
> 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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