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From "Ivan Popov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-2172) [drlvm][jvmti] ThreadEnd event is generated twice
Date Mon, 13 Nov 2006 13:33:37 GMT
[drlvm][jvmti] ThreadEnd event is generated twice
-------------------------------------------------

                 Key: HARMONY-2172
                 URL: http://issues.apache.org/jira/browse/HARMONY-2172
             Project: Harmony
          Issue Type: Bug
          Components: App-Oriented Bug Reports, DRLVM
         Environment: Windows/ia32, Linux/ia32
            Reporter: Ivan Popov
         Attachments: ThreadEvents.zip

DRLVM generates ThreadEnd event twice for the main thread. This confuses JVMTI profiling agent
used in Eclipse TPTP profiler. To reproduce this problem run HelloWorld with JVMTI agent from
the attached archiive:

  run <JDK>

Running it with DRLVM [r473588] shows the error:
--------------------------------------------------------------------
> run.bat drl_20061112_win_ia32_0002_msvc_r_H
Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0"
pre-alpha : not complete or compatible
svn = rsvn: This client is too old to work with working copy '.'; please get a newer Subversion
client, (Nov 12 2006), W
indows/ia32/msvc 1310, release build
http://incubator.apache.org/harmony
[JvmtiAgent] ThreadStart: jni_env=02482B78, thread=02484A10, name=<error 112)
[JvmtiAgent] VMInit: jni_env=01019B00, thread=02476520
[JvmtiAgent] ThreadStart: jni_env=01019B00, thread=02471778, name=main
Hello world!
[JvmtiAgent] ThreadEnd: jni_env=01019B00, thread=02471778, name=main
[JvmtiAgent] ThreadEnd: jni_env=01019B00, thread=02471778, name=main
[JvmtiAgent] ERROR: ThreadEnd event for this jni_env does not have a matching ThreadStart
event
--------------------------------------------------------------------

With Sun J2SE 1.5.0 this produces the following output:
--------------------------------------------------------------------
> run sun-jdk1.5.0_06-windows-ia32
[JvmtiAgent] ThreadStart: jni_env=00A88118, thread=00A89850, name=<error 112)
[JvmtiAgent] ThreadStart: jni_env=00A88BD0, thread=00A8A218, name=<error 112)
[JvmtiAgent] VMInit: jni_env=00038958, thread=00A86228
[JvmtiAgent] ThreadStart: jni_env=00A92678, thread=00A94070, name=Signal Dispatcher
[JvmtiAgent] ThreadStart: jni_env=00038958, thread=00A86228, name=main
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode)

Hello world!
[JvmtiAgent] ThreadEnd: jni_env=00038958, thread=00A86228, name=main
[JvmtiAgent] ThreadStart: jni_env=00038958, thread=00A87F80, name=DestroyJavaVM
[JvmtiAgent] ThreadEnd: jni_env=00038958, thread=00A87F80, name=DestroyJavaVM
--------------------------------------------------------------------


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