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https://issues.apache.org/jira/browse/DERBY-6012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537219#comment-13537219
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Mamta A. Satoor commented on DERBY-6012:
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Knut, thanks for reviewing the code.
functionTests.util.TestUtil.dumpAllStackTracesIfSupported() sounds like a good
idea but it takes a PrintWriter argument which we don't have access to. I can
change the signature of
functionTests.util.TestUtil.dumpAllStackTracesIfSupported() and have it return
the String it writes to PrintWriter. So, the method will check if the
PrintWriter is null, if yes, then do nothing. If not null, write the String to
the PrintWriter. Additionally, irrespective of the value of PrintWriter, return
the String to the caller. Then my code can take that String and send it to
fail() method as shown below. Thanks
//DERBY-6012 print thread dump and java core
StringBuffer sb = new StringBuffer(msg);
sb.append(functionTests.util.TestUtil.dumpAllStackTracesIfSupported(null));
JVMInfo.javaDump();
fail(sb.toString());
> Print thread dump and dump javacore if NetworkServerTestSetup has to kill off
> the Network Server start up process due to timeout
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-6012
> URL: https://issues.apache.org/jira/browse/DERBY-6012
> Project: Derby
> Issue Type: Improvement
> Components: Test
> Affects Versions: 10.8.3.0
> Environment:
> Reporter: Kathey Marsden
> Assignee: Mamta A. Satoor
> Fix For: 10.10.0.0
>
> Attachments: DERBY6012_patch1_diff.txt, DERBY6012_patch2_diff.txt
>
>
> If Network Server startup hangs or times out as in DERBY-5991, we should
> generate a javacore or a thread dump so the cause of the problem can be more
> easily diagnosed.
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