ArrayIndexOutOfBoundsException being thrown from
ClassMetaData.getExtraFieldDataIndex()
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Key: OPENJPA-1508
URL: https://issues.apache.org/jira/browse/OPENJPA-1508
Project: OpenJPA
Issue Type: Bug
Components: jdbc
Affects Versions: 1.2.2
Environment: found this on DB2, but I imagine it doesn't matter
Reporter: B.J. Reed
Fix For: 1.2.3, 1.3.0, 2.0.1, 2.1.0
Attachments: tc.zip
An ArrayIndexOutOfBoundsException is being thrown by
ClassMetaData.getExtraFieldDataIndex()
I am providing a test case. The only thing special is that the entities are
set up in a hexagon shape, where the entities above have a OneToMany
relationship with those below. The one at the very bottom has ManyToOne
relationships with the two entities above it and I think this seems to be the
cause of the problem.
I have done some debugging on this and here is where I have gotten to:
The problem is somewhere around the JDBCStoreManager.initializeState method
first time through, the mapping object is
org.apache.openjpa.persistence.jdbc.query.HexagonBottom and the
mappedByFieldMapping is
org.apache.openjpa.persistence.jdbc.query.HexagonBottom.lowerLeftId (looks
good), index is 6
second time through, the mapping object is
org.apache.openjpa.persistence.jdbc.query.HexagonLowerRight and the
mappedByFieldMapping is still
org.apache.openjpa.persistence.jdbc.query.HexagonBottom.lowerLeftId, so the
index is still 6, but the HexagonLowerRight object only has 4 fields in it so
the exception is thrown.
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