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From "Deepa Remesh (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1219) jdbcapi/checkDataSource.java and jdbcapi/checkDataSource30.java hang intermittently with client
Date Wed, 10 May 2006 15:35:05 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1219?page=comments#action_12378938 ] 

Deepa Remesh commented on DERBY-1219:
-------------------------------------

Hi Bryan,
I applied your new patch 'no-sessions-for-closed-threads.diff' and ran the checkDataSource
repro. However, I still get the hang intermittently on my machine. Though the hang has not
gone away, I think the scenario you explain is a probable one. And as you said, the bug is
quite interesting as it can have many possible scenarios.

 


> jdbcapi/checkDataSource.java and jdbcapi/checkDataSource30.java hang intermittently with
client
> -----------------------------------------------------------------------------------------------
>
>          Key: DERBY-1219
>          URL: http://issues.apache.org/jira/browse/DERBY-1219
>      Project: Derby
>         Type: Test

>   Components: Network Server, Network Client
>     Versions: 10.2.0.0
>  Environment: More often on jdk 1.5 or jdk 1.6 but hangs on jdk 1.4.2 as well
>     Reporter: Kathey Marsden
>     Assignee: Bryan Pendleton
>     Priority: Minor
>  Attachments: client_stack_trace_050306.txt, drda_traces_050206.zip, interrupt.diff,
no-sessions-for-closed-threads.diff, server_stack_trace_050306.txt, skipThreads.diff, testfiles_afterhang.zip,
traces_on_hang.txt
>
> The tests checkDataSource.java and checkDataSource30.java 
> hang intermittently especially with jdk 1.5.
> Attached is the test run output and traces when the server is started separately.
> 1) Enable checkDataSource30.java by taking it out of functionTests/suites/DerbyNetClient.exclude.
> 2) Run the test with client.
> java -Dij.exceptionTrace=true -Dkeepfiles=true -Dframework=DerbyNetClient org.apache.derbyTesting.functionTests.harness.RunTest
jdbcapi/checkDataSource30.java
> Attachements:
>  testfiles_after_hang.zip - Test directory.
>  traces_on_hang.txt  - Server side traces obtained by starting the server separately
before running the test.
> I wish I had time to work on this right now as I would really like to see this valuable
test in the suite, but hopefully someone else will pick it up.

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