[jira] Closed: (HARMONY-3314) [jdktools][jpda] DRLVM hangs on exit while detaching thread

["Ivan Popov (JIRA)" <ji...@apache.org>]

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

Ivan Popov closed HARMONY-3314.
-------------------------------


Verified in harmony-jdk-r544741 on Windows and Linux x86/x86_64. This bug is not reproduced anymore with JPDA tests and Eclipse debugger scenarios. I'm closing this issue.

However, some JPDA tests may still fail with not exited debuggee VM process because of different reasons. For example, see HARMONY-4046.


> [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, jpda_threads_workaround.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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