[JIRA] Created: (CAY-553) Top-level DataContext fails to attach to default DataDomain transparently on deserialization

From: Mike Kienenberger (JIRA) ("Mike)
Date: Mon May 22 2006 - 21:12:07 EDT

  • Next message: Mike Kienenberger: "Re: "Cannot commit changes - channel is not set." after regular DataContext serialization"

    Top-level DataContext fails to attach to default DataDomain transparently on deserialization
    --------------------------------------------------------------------------------------------

             Key: CAY-553
             URL: http://issues.apache.org/cayenne/browse/CAY-553
         Project: Cayenne
            Type: Bug

      Components: Cayenne Core Library
        Versions: 1.2 [BETA]
        Reporter: Mike Kienenberger

    Top-level DataContext fails to attach to default DataDomain transparently on deserialization.

    Caused by: org.objectstyle.cayenne.CayenneRuntimeException: [v.1.2B2
    April 17 2006] Cannot commit changes - channel is not set.
           at org.objectstyle.cayenne.access.DataContext.flushToParent(DataContext.java:1186)
           at org.objectstyle.cayenne.access.DataContext.commitChanges(DataContext.java:1121)

    Data context is created with:

    DataContext.getThreadDataContext().createDataContext()

    Data context is serialized with:

            private void writeObject(java.io.ObjectOutputStream out) throws IOException
            {
                out.writeObject(this.childDataContext);
            }

    Data context is deserialized with:

            private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
            {
                this.childDataContext = (DataContext)in.readObject();
                // childDataContext.setChannel(super.threadDataContext().getParentDataDomain());
            }

    Problem goes away if setChannel line is uncommented.

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