Re: Commit Exception Error

From: marco turchi (marco.turch..mail.com)
Date: Thu Jan 10 2008 - 05:33:53 EST

  • Next message: Andrus Adamchik: "Re: Commit Exception Error"

    Sorry Andrus....
    I have this line:
    <url value="jdbc:mysql://localhost/subsumer?autoReconnect=true"/>
    inside the drive file.... but this does not work...
    Thanks
    Marco

    On Jan 10, 2008 8:39 AM, Andrus Adamchik <andru..bjectstyle.org> wrote:

    > > maybe I have added it to the wrong place...
    >
    >
    > Most likely... "autoReconnect=true" should be appended to the URL, not
    > the driver name.
    >
    > Andrus
    >
    >
    > On Jan 10, 2008, at 4:38 AM, marco turchi wrote:
    >
    > > Hi Andrus,
    > > I have added the jdbc:mysql://localhost/test?autoReconnect=true
    > > string to
    > > file.driver.xml file into my cayenne model, but I get this error:
    > > org.objectstyle.cayenne.ConfigurationException: [v.1.2.3 May 6 2007]
    > > Error
    > > during Configuration initialization. [v.1.2.3 May 6 2007] Load
    > > failures.
    > > Main configuration class: org.object
    > > style.cayenne.conf.DefaultConfiguration, details:
    > > domain.node.name=TranslationNode,
    > > domain.node.datasource=TranslationNode.driver.xml, reason:
    > > DataSource load
    > > failed - Can not load JDBC driver named 'com.mysql.jdbc.Driver
    > > ?autoReconnect=t
    > > rue': com.mysql.jdbc.Driver?autoReconnect=true
    > > at
    > > org
    > > .objectstyle.cayenne.conf.Configuration.initializeSharedConfiguration(
    > > Configuration.java:321)
    > > at
    > > org
    > > .objectstyle.cayenne.conf.Configuration.initializeSharedConfiguration(
    > > Configuration.java:294)
    > > at
    > > org
    > > .objectstyle.cayenne.conf.Configuration.initializeSharedConfiguration(
    > > Configuration.java:275)
    > > at
    > > org.objectstyle.cayenne.conf.Configuration.getSharedConfiguration
    > > (Configuration.java:212)
    > > at
    > > org.objectstyle.cayenne.access.DataContext.createDataContext(
    > > DataContext.java:242)
    > > at com.translation.alg.News.<clinit>(News.java:17)
    > > maybe I have added it to the wrong place...
    > > Thanks
    > > Marco
    > >
    > >
    > > On Jan 9, 2008 3:17 PM, Andrus Adamchik <andru..bjectstyle.org>
    > > wrote:
    > >
    > >> Hi Marco,
    > >>
    > >> I think what you need is a reconnect parameter in your MySQL URL.
    > >> E.g.:
    > >>
    > >> jdbc:mysql://localhost/test?autoReconnect=true
    > >>
    > >> Andrus
    > >>
    > >>
    > >> On Jan 8, 2008, at 8:02 PM, marco turchi wrote:
    > >>
    > >>> Dear experts,
    > >>> I'm running a java software that gets some data from the DB,
    > >>> computes them
    > >>> and the writes the result to the DB... Unfortunately, the
    > >>> computation of the
    > >>> data gets 10 hs...
    > >>> I'm able to get the data, compute them, but when I try to write to
    > >>> the DB, I
    > >>> get this error:
    > >>> org.objectstyle.cayenne.CayenneRuntimeException: [v.1.2.3 May 6
    > >>> 2007] Commit
    > >>> Exception
    > >>> at org.objectstyle.cayenne.access.DataContext.flushToParent(
    > >>> DataContext.java:1290)
    > >>> at org.objectstyle.cayenne.access.DataContext.commitChanges (
    > >>> DataContext.java:1166)
    > >>> at com.translation.alg.WriterData.insert(WriterData.java:57)
    > >>> at com.translation.alg.News.write(News.java:85)
    > >>> at
    > >>> com.translation.alg.TranslationNews.run(TranslationNews.java :66)
    > >>> at
    > >>> com.translation.alg.TranslationNews.main(TranslationNews.java:21)
    > >>> Caused by: java.sql.SQLException: Connection.close() has already
    > >>> been
    > >>> called. Invalid operation in this state.
    > >>> at com.mysql.jdbc.Connection.getMutex (Connection.java:2130)
    > >>> at com.mysql.jdbc.Statement.execute(Statement.java:866)
    > >>> at
    > >>> org.objectstyle.cayenne.dba.mysql.MySQLPkGenerator.pkFromDatabase
    > >>> (MySQLPkGenerator.java:123)
    > >>> at
    > >>> org.objectstyle.cayenne.dba.JdbcPkGenerator.generatePkForDbEntity(
    > >>> JdbcPkGenerator.java:326)
    > >>> at
    > >>> org
    > >>> .objectstyle
    > >>> .cayenne.access.DataDomainInsertBucket.createPermIdsForObjEntity
    > >>> (DataDomainInsertBucket.java:194)
    > >>> at
    > >>> org
    > >>> .objectstyle
    > >>> .cayenne.access.DataDomainInsertBucket.appendQueriesInternal(
    > >>> DataDomainInsertBucket.java:122)
    > >>> at
    > >>> org.objectstyle.cayenne.access.DataDomainSyncBucket.appendQueries
    > >>> (DataDomainSyncBucket.java:108)
    > >>> at
    > >>> org.objectstyle.cayenne.access.DataDomainFlushAction.preprocess (
    > >>> DataDomainFlushAction.java:211)
    > >>> at org.objectstyle.cayenne.access.DataDomainFlushAction.flush(
    > >>> DataDomainFlushAction.java:167)
    > >>> at org.objectstyle.cayenne.access.DataDomain.onSyncFlush(
    > >>> DataDomain.java :846)
    > >>> at org.objectstyle.cayenne.access.DataDomain$2.transform(
    > >>> DataDomain.java:817)
    > >>> at org.objectstyle.cayenne.access.DataDomain.runInTransaction(
    > >>> DataDomain.java:862)
    > >>> at org.objectstyle.cayenne.access.DataDomain.onSync
    > >>> (DataDomain.java
    > >>> :814)
    > >>> at org.objectstyle.cayenne.access.DataContext.flushToParent(
    > >>> DataContext.java:1262)
    > >>> ... 5 more
    > >>>
    > >>> I have tried to delete and recreate the DataContext using
    > >>> createDataContext() before to write to the table, but I get the same
    > >>> error.
    > >>> (I have created the DataContext the first time when I start the
    > >>> program...)
    > >>> Can u help me?
    > >>> Thanks a lot
    > >>> Marco
    > >>
    > >>
    >
    >



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