Data cleanup when exception is caught in Network Server may not be complete; 
need follow-up investigation.
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         Key: DERBY-529
         URL: http://issues.apache.org/jira/browse/DERBY-529
     Project: Derby
        Type: Sub-task
  Components: Network Server  
    Versions: 10.1.1.0, 10.0.2.1, 10.2.0.0    
    Reporter: A B
    Priority: Minor


The patch that was submitted for DERBY-5 (svn revision 56215) solved the 
specific problem described in that issue but, as indicated by the comments in 
DERBY-5, it did not take into account cases where the buffer that we're trying 
to "clear" (because of error) has already been transmitted to the client, thus 
making it impossible to "undo" the write.  It'd be good to look at this 
particular situation more to figure out 1) if it is actually possible (and if 
so, can we get a repro?), and 2) if so, how do we fix it?

I'm filing this as a sub-task so that we can track it separately from DERBY-5 
(the specific issue described in DERBY-5 was correctly fixed by svn 56215 and 
thus should be closed).

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