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From "Daniel John Debrunner (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-714) NullPointerException or ClassCastException if UPDATE or DELETE is performed on a diagnostic VTI
Date Thu, 17 Nov 2005 20:51:41 GMT
NullPointerException or ClassCastException if UPDATE or DELETE is performed on a diagnostic
VTI
-----------------------------------------------------------------------------------------------

         Key: DERBY-714
         URL: http://issues.apache.org/jira/browse/DERBY-714
     Project: Derby
        Type: Bug
  Components: SQL  
    Versions: 10.1.1.0, 10.0.2.0    
    Reporter: Daniel John Debrunner
 Assigned to: Daniel John Debrunner 
    Priority: Trivial
     Fix For: 10.2.0.0


UPDATE and DELETE statements on read-only vtis will hit NullPointerException in insane mode,
and ClassCastException in sane mode.

ij> delete from new org.apache.derby.diag.TransactionTable();
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.

While these statements make no sense, a more graceful error should be returned, especially
as in insane mode this causes the engine to shutdown. Code already exists to detect this situation
but is not being called.

Found through adding negative tests for DERBY-571

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