[ http://issues.apache.org/jira/browse/DERBY-488?page=all ]
Daniel John Debrunner updated DERBY-488:
----------------------------------------
Fix Version: 10.2.0.0
Fix from 10.1 merged to trunk as revision 227518
> DatabaseMetaData.getColumns() fails on iSeries JDK 1.4 with verfier error on
> generated class.
> ---------------------------------------------------------------------------------------------
>
> 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
> Assignee: Daniel John Debrunner
> Fix For: 10.2.0.0, 10.1.1.0
> Attachments: patch488.txt
>
> Analysis shows that
> ----------------------------------------------------------------------
> 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.
> ----------------------------------------------------------------------
> 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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