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From "Ivan Popov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3314) [jdktools][jpda] DRLVM hangs on exit while detaching thread
Date Fri, 01 Jun 2007 15:21:16 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12500740
] 

Ivan Popov commented on HARMONY-3314:
-------------------------------------

Frequency of the hangs strongly depends on particular machine. For me, repeatedly running
JPDA test usually hangs in 10-20 minutes on a slow Linux/x86 machine. Also a few of JPDA tests
usually fail in a single tests run on this machine due to this hang. 

I'm not sure if this relates to HARMONY-3582, it does not provide enough details for me. Sometime
ago I tried to apply patches from that JIRA, but they did not solve problem with JPDA tests.


> [jdktools][jpda] DRLVM hangs on exit while detaching thread
> -----------------------------------------------------------
>
>                 Key: HARMONY-3314
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3314
>             Project: Harmony
>          Issue Type: Bug
>          Components: JDK
>         Environment: Linux/ia32, Windows/ia32, Harmony-jdk-r514598, Harmony-jdk-r533073
>            Reporter: Ivan Popov
>            Assignee: Gregory Shimansky
>         Attachments: 3314.patch, jpda_tests.patch
>
>
> Many JDWP tests run long time on Linux because DRLVM intermittently crashed at exit.
> For example, the following test
>   org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest
> Here is typical diagnostics in the test output:
> Waiting for debuggee exit
> STDERR> SIGSEGV in VM code.
> STDERR> Stack trace:
> STDERR> 	1: ?? (??:-1)
> STDERR> addr2line: '[heap]': No such file
> Ignoring exception in ProcessWaiter thread interrupted: java.lang.InterruptedException
> # ERROR: Enforced debuggee termination
> To reproduce this failure:
> 1. create Harmony JDK with federated build:
>     svn checkout https://svn.apache.org/repos/asf/harmony/enhanced/trunk
>     cd trunk
>     ant
> 2. goto jdktools directory, add junit to classpath, and run particular test:
>     cd working_jdktools
>     export CLASSPATH=<...>/trunk/common_resources/depends/jars/junit_3.8.2/junit.jar
>     ant test -Dbuild.module=jpda -Dtest.case=org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest
> 3. see results in <...>/trunk/working_jdktools/build/test_report/html/index.html
> It is possible also to run test directly from command line:
>    cd working_jdktools
>    deploy/jdk/bin/java -classpath ../common_resources/depends/jars/junit_3.8.2/junit.jar:build/tests/classes
\
>    org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest

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