[ 
https://issues.apache.org/jira/browse/LOG4J2-832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137333#comment-14137333
 ] 

Matt Brozowski edited comment on LOG4J2-832 at 9/17/14 2:38 PM:
----------------------------------------------------------------

Here is the failure when running on Oracle Java 1.6.0

java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)


{noformat}
-------------------------------------------------------------------------------
Test set: Log4j2MethodUtilTrampolineTest
-------------------------------------------------------------------------------
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.534 sec <<< 
FAILURE!
testTrampolineException(Log4j2MethodUtilTrampolineTest)  Time elapsed: 0.506 
sec  <<< ERROR!
java.lang.NoClassDefFoundError: Could not initialize class 
sun.reflect.misc.Trampoline
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:171)
        at 
org.apache.logging.log4j.core.util.Loader.loadClassWithDefaultClassLoader(Loader.java:272)
        at org.apache.logging.log4j.core.util.Loader.loadClass(Loader.java:267)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:509)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace(ThrowableProxy.java:621)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:170)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:148)
        at 
org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy(Log4jLogEvent.java:323)
        at 
org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:64)
        at 
org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:36)
        at 
org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:189)
        at 
org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:53)
        at 
org.apache.logging.log4j.core.layout.AbstractStringLayout.toByteArray(AbstractStringLayout.java:52)
        at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:104)
        at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:97)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:428)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:407)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
        at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:112)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1336)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1325)
        at 
org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:551)
        at 
Log4j2MethodUtilTrampolineTest.testTrampolineException(Log4j2MethodUtilTrampolineTest.java:61)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at 
org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)

{noformat}


was (Author: brozow):
Here is the failure when running on Oracle Java 1.6.0

java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)


{{noformat}}
-------------------------------------------------------------------------------
Test set: Log4j2MethodUtilTrampolineTest
-------------------------------------------------------------------------------
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.534 sec <<< 
FAILURE!
testTrampolineException(Log4j2MethodUtilTrampolineTest)  Time elapsed: 0.506 
sec  <<< ERROR!
java.lang.NoClassDefFoundError: Could not initialize class 
sun.reflect.misc.Trampoline
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:171)
        at 
org.apache.logging.log4j.core.util.Loader.loadClassWithDefaultClassLoader(Loader.java:272)
        at org.apache.logging.log4j.core.util.Loader.loadClass(Loader.java:267)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:509)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace(ThrowableProxy.java:621)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:170)
        at 
org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:148)
        at 
org.apache.logging.log4j.core.impl.Log4jLogEvent.getThrownProxy(Log4jLogEvent.java:323)
        at 
org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:64)
        at 
org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:36)
        at 
org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:189)
        at 
org.apache.logging.log4j.core.layout.PatternLayout.toSerializable(PatternLayout.java:53)
        at 
org.apache.logging.log4j.core.layout.AbstractStringLayout.toByteArray(AbstractStringLayout.java:52)
        at 
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:104)
        at 
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:97)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:428)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:407)
        at 
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
        at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:112)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1336)
        at 
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1325)
        at 
org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:551)
        at 
Log4j2MethodUtilTrampolineTest.testTrampolineException(Log4j2MethodUtilTrampolineTest.java:61)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at 
org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)

{{noformat}}

> 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, 
> Log4j2MethodUtilTrampolineTest.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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