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From "Alexei Fedotov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3910) [drlvm][verifier] VerifyError is reported for class in mpowerplayer application
Date Sat, 09 Jun 2007 15:33:26 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503092
] 

Alexei Fedotov commented on HARMONY-3910:
-----------------------------------------

Finally, all tests pass except the following one

$ build/win_ia32_msvc_debug/deploy/jdk/jre/bin/java  -cp ../working_classlib/depends/jars/junit_3.8.2/junit.jar\;build/win_ia32_msvc_debug/semis/vm/_smoke.tests/classes
exception.FinalizeStackTest
PASS : java.lang.StackOverflowError
<error on the shutdown>

This is hardly a verifier problem. Please commit test_1.patch (7 kb) and cumulative_short_1.patch
(586 kb) 

> [drlvm][verifier] VerifyError is reported for class in mpowerplayer application
> -------------------------------------------------------------------------------
>
>                 Key: HARMONY-3910
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3910
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Pavel Rebriy
>         Attachments: cumulative_short.patch, cumulative_short_1.patch, format.sh, jcf2jasm.pl,
subtask_and_path_simplification.patch, test.patch, test.patch, test.patch, test_1.patch
>
>
> There is a bug described by Chris Elford in HARMONY-3720.
> Chris Elford [27/Apr/07 03:08 PM]
> Note that I found another app that exhibits the data flow analysis error.
> the mpowerplayer.com player.jar file fails (http://mpowerplayer.com/download.jsp?build=1185):
> C:\java\test\mpp\mpp-sdk>c:\java\sun50_09_jre\bin\java -jar player.jar
> mpowerplayer 2.0.1185
> C:\java\test\mpp\mpp-sdk>c:\java\harmony-hdk-r532358\jdk\jre\bin\java -jar player.jar
> Uncaught exception in main:
> java.lang.reflect.InvocationTargetException
>         at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>         at java.lang.reflect.Method.invoke(Method.java:382)
>         at org.apache.harmony.vm.JarRunner.main(JarRunner.java:80)
> Caused by: java.lang.VerifyError: (class: com/mpp/player/mphc, method: <clinit>()V)
Data flow analysis error
>         at java.lang.ClassLoader.defineClass0(ClassLoader.java)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:417)
>         at java.security.SecureClassLoader.defineClass(Unknown Source)
>         at java.net.URLClassLoader.findClassImpl(Unknown Source)
>         at java.net.URLClassLoader$4.run(Unknown Source)
>         at java.net.URLClassLoader$4.run(Unknown Source)
>         at java.security.AccessController.doPrivilegedImpl(AccessController.java:171)
>         at java.security.AccessController.doPrivileged(AccessController.java:64)
>         at java.net.URLClassLoader.findClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:554)
>         at java.lang.ClassLoader$SystemClassLoader.loadClass(ClassLoader.java:942)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:311)
>         at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>         ... 2 more 
> The problem is in analyzing subroutine bounds algorithm, verifier performs data flow
analysis on a wrong basic block.

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