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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1764) Rewrite stress.multi as a JUnit test
Date Sun, 06 Jul 2008 18:40:42 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12610826#action_12610826

Kathey Marsden commented on DERBY-1764:

I checked in the test so others can try it.  Thanks Erlend for all your hard work on this.
Here are the issues I see.

1) There seems to be an issue with the cleanup of the database for the encrypted run on windows.
 I saw this with both the 10x1 and the regular StressMultiTest.
  (junit.framework.AssertionFailedError: C:\svn3\trunk\system\singleUse\oneuse0\seg0\c400.dat)
2) Need to add functionality so that if threads hang and cannot finish on their own, we dump
the stack traces and interrupt the threads.  I think this is important as when we have had
failures in this test in the past, we have seen the threads hang.
3) Bryan is seeing the test run forever for some reason and also seeing lots of output. It
sounds like maybe he was using an early patch,  but need to resolve this. 
4) The test seems to expose a derby bug intermittently. .DERBY-3757.  
Java exception: 'ASSERT FAILED transaction table has null entry: org.apache.derby.shared.common.sanity.AssertFailure'.

5) StressMulti50x59 should only do an embedded run.
6) I noticed when I got the error for DERBY-3757 that the derby.log was not saved to the fail
 directory.  There seems to be a problem with the mechanism that is supposed to do this. 
Is it possible it only saves the derby.log for failures and not errors?

I hope others will try out the test as well now that it is checked in and review the code.
 This is an important test and is a fairly major change.   It's important we get it right.


> Rewrite stress.multi as a JUnit test
> ------------------------------------
>                 Key: DERBY-1764
>                 URL: https://issues.apache.org/jira/browse/DERBY-1764
>             Project: Derby
>          Issue Type: Test
>          Components: Test
>            Reporter: Knut Anders Hatlen
>            Assignee: Erlend Birkenes
>         Attachments: derby-1764-derby.log, DERBY-1764-Review.diff, DERBY-1764-V1.diff,
> Currently, stress.multi consists of a number of sql scripts that are run in ij. It often
fails with cryptic error messages, and since it uses ij, there is often no stack trace. It
would be very useful to rewrite the test in JUnit so that we can get better error messages
and stack traces when it fails.

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