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From Jan Schaumlöffel (JIRA) <j...@apache.org>
Subject [jira] Created: (CAY-1520) Deleting Objects with Flattened Read-Only Relationships
Date Mon, 06 Dec 2010 11:05:12 GMT
Deleting Objects with Flattened Read-Only Relationships
-------------------------------------------------------

                 Key: CAY-1520
                 URL: https://issues.apache.org/jira/browse/CAY-1520
             Project: Cayenne
          Issue Type: Bug
    Affects Versions: 3.0.1
         Environment: multiple
            Reporter: Jan Schaumlöffel


When deleting an object with a flattened read-only relationship an exception is thrown:

{quote}
Caused by: org.apache.cayenne.CayenneRuntimeException: [v.3.0.1 Sep 06 2010 15:09:38] Cannot
unset the read-only flattened relationship runtimeRelationship0
	at org.apache.cayenne.access.DataDomainIndirectDiffBuilder.arcDeleted(DataDomainIndirectDiffBuilder.java:123)
	at org.apache.cayenne.access.ObjectDiff$ArcOperation.apply(ObjectDiff.java:440)
	at org.apache.cayenne.graph.CompoundDiff.apply(CompoundDiff.java:91)
	at org.apache.cayenne.access.ObjectStoreGraphDiff.apply(ObjectStoreGraphDiff.java:134)
	at org.apache.cayenne.access.DataDomainIndirectDiffBuilder.processIndirectChanges(DataDomainIndirectDiffBuilder.java:59)
	at org.apache.cayenne.access.DataDomainFlushAction.preprocess(DataDomainFlushAction.java:180)
	at org.apache.cayenne.access.DataDomainFlushAction.flush(DataDomainFlushAction.java:134)
	at org.apache.cayenne.access.DataDomain.onSyncFlush(DataDomain.java:824)
	at org.apache.cayenne.access.DataDomain$2.transform(DataDomain.java:791)
	at org.apache.cayenne.access.DataDomain.runInTransaction(DataDomain.java:850)
	at org.apache.cayenne.access.DataDomain.onSync(DataDomain.java:788)
	at org.apache.cayenne.access.DataContext.flushToParent(DataContext.java:1106)
	at org.apache.cayenne.access.DataContext.commitChanges(DataContext.java:1045)
...
{quote}

It might be the same issue as CAY-784, but I haven't looked at the code yet.

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