AW: AW: big problem with release version 1.0

From: Michael Schuldt (m..scensys.de)
Date: Fri Oct 03 2003 - 15:48:59 EDT

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    Here's all I got from the trace for this error:

    03.10.03 03:47:50 - QueryLogger - WARN: --- will run
    1 query.
    03.10.03 03:47:50 - QueryLogger - WARN: *** error.
    java.lang.NullPointerException
    03.10.03 03:47:50 - DefaultOperationObserver - WARN: query
    exception
    java.lang.NullPointerException
    03.10.03 03:47:50 - QueryLogger - WARN: *** error.
    org.objectstyle.cayenne.CayenneRuntimeException: Query exception.
            at
    org.objectstyle.cayenne.access.util.SelectObserver.nextQueryException(Select
    Observer.java:147)
            at
    org.objectstyle.cayenne.access.DataNode.performQueries(DataNode.java:288)
            at
    org.objectstyle.cayenne.access.DataDomain.performQueries(DataDomain.java:427
    )
            at
    org.objectstyle.cayenne.access.DataContext.performQueries(DataContext.java:1
    020)
            at
    org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:111
    2)
            at
    org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:949
    )
            at de.best4rest.boerse.SendEmailThread.run(SendEmailThread.java:108)
            at java.lang.Thread.run(Thread.java:536)
    Caused by: java.lang.NullPointerException
    03.10.03 03:47:50 - DefaultOperationObserver - WARN: global
    exception
    org.objectstyle.cayenne.CayenneRuntimeException: Query exception.
            at
    org.objectstyle.cayenne.access.util.SelectObserver.nextQueryException(Select
    Observer.java:147)
            at
    org.objectstyle.cayenne.access.DataNode.performQueries(DataNode.java:288)
            at
    org.objectstyle.cayenne.access.DataDomain.performQueries(DataDomain.java:427
    )
            at
    org.objectstyle.cayenne.access.DataContext.performQueries(DataContext.java:1
    020)
            at
    org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:111
    2)
            at
    org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:949
    )
            at de.best4rest.boerse.SendEmailThread.run(SendEmailThread.java:108)
            at java.lang.Thread.run(Thread.java:536)
    Caused by: java.lang.NullPointerException

    Because it takes some time for the error to occur I don't have much traces.
    Sorry, but there's nothing more.

    It's cool that you're trying to help me with this old cayenne version. Thank
    you very much!

    Michael

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    -----Ursprungliche Nachricht-----
    Von: Andrus Adamchik [mailto:andru..bjectstyle.org]
    Gesendet: Freitag, 3. Oktober 2003 21:34
    An: cayenne-use..bjectstyle.org
    Betreff: Re: AW: big problem with release version 1.0

    On Friday, October 3, 2003, at 03:29 PM, Michael Schuldt wrote:

    > org.objectstyle.cayenne.access.DataNode.performQueries(DataNode.java:28
    > 8)
    > ... 6 more
    > Caused by: java.lang.NullPointerException
    >
    > Do you have any suggestions? I found some hints in the mailing list
    > about
    > reconnect. I tried everything. I also can't understand, how there
    > should be
    > an idle connection. The threads are accessing the database through
    > cayenne
    > every minute. Is there another possibility for the errors?

    Could you send the full stack trace for this NullPointerException? Or
    is it trimmed from the overall stack? Newer versions of Cayenne are
    better in this respect - in all (?) cases Cayenne would show the
    underlying exception that caused a chain of exceptions downstream.

    Andrus



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