DatabaseMetaData.getColumns() fails on iSeries JDK 1.4 with verfier error on
generated class.
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Key: DERBY-488
URL: http://issues.apache.org/jira/browse/DERBY-488
Project: Derby
Type: Bug
Components: SQL
Versions: 10.1.1.0
Reporter: Daniel John Debrunner
Assigned to: Daniel John Debrunner
Fix For: 10.1.1.0
Attachments: patch488.txt
Analysis shows that
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The problem is occurring starting at offset 2007 in method e23. There is an
invokeinterface to method setWidth(int, int, boolean) of class
VariableSizeDataValue. This invoke returns a value of class
DataValueDescriptor. That value is in turn stored in field e142 at offset 2015
in method e23. The problem is that field e142 is a NumberDataValue, and
DataValueDescriptor is not a valid subclass of NumberDataValue. Thus the store
is not allowed.
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Looking at the generated setWidth() calls I see one in BinaryOperatorNode where
the return (DataValueDescriptor) is not cast to the type of the field it is
stored in.
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