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From "Craig Russell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-324) Derby "ERROR 40XL1" in multithreaded test "RefreshAllNoParameterSideEffects"
Date Thu, 19 Oct 2006 18:24:35 GMT
    [ http://issues.apache.org/jira/browse/JDO-324?page=comments#action_12443602 ] 
Craig Russell commented on JDO-324:

Looks good. Just a couple of comments.

1. The failOnError should be outside the try...finally block, to make sure you see the error

2. The indentation of " if (pntVerify.getX() != 33 " block is off.

3. I think you need to verify the values when doRefresh is false. You might not catch an exception
but commit the change. I'd put the retrieval of the value outside the if(doRefresh) and check
the values:

if (doRefresh) {
pntVerify == 33, 33
} else {
pntVerify == 22, 22

> Derby "ERROR 40XL1" in multithreaded test "RefreshAllNoParameterSideEffects"
> ----------------------------------------------------------------------------
>                 Key: JDO-324
>                 URL: http://issues.apache.org/jira/browse/JDO-324
>             Project: JDO
>          Issue Type: Bug
>          Components: tck20
>    Affects Versions: JDO 2 rc1
>            Reporter: Jörg von Frantzius
>         Assigned To: Michelle Caisse
>         Attachments: derby-dsid-pm-junit.txt, RefreshAllNoParameterSideEffects.java
> When using latest JPOX nightly (01-Mar-2006 04:21), I get a "ERROR 40XL1: A lock could
not be obtained within the time requested" Derby error (see next attachment for log file).
This happens while running RefreshAllNoParameterSideEffects, which is multithreaded, and it
happens for both threads.
> This is with Windows XP SP2 and JDK 1.4.2_09 on a dual core machine. Maybe the fact that
it is dual core leads to different timing than single core?

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