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From "Seth Leger (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LOG4J2-832) ThrowableProxy fails if a class in logged stack trace throws java.lang.Error from initializer
Date Wed, 17 Sep 2014 21:31:36 GMT

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

Seth Leger closed LOG4J2-832.

All available tests that I have for this condition pass with the latest 2.1-SNAPSHOT code.
Thanks for the quick response to this issue! :)

> ThrowableProxy fails if a class in logged stack trace throws java.lang.Error from initializer
> ---------------------------------------------------------------------------------------------
>                 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, 2.1
>         Environment: Java 1.7u67 Linux/OSX/Win7, Java 1.7u60 Linux, Java 1.7u25 Linux
>            Reporter: Seth Leger
>            Priority: Blocker
>             Fix For: 2.1
>         Attachments: LOG4J2-832.patch, Log4j2MethodUtilTrampolineTest.java, Log4j2MethodUtilTrampolineTest.java,
Log4j2UninitializableClassTest.java, 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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