Out of Memory resulting in heapdump and javacore in test derbynetclientmats 
(and derbynetmats) stress.multi with 10.1 with IBM 1.5 JVM after upgrade to 
SR11 FP1 (from SR10)
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                 Key: DERBY-4744
                 URL: https://issues.apache.org/jira/browse/DERBY-4744
             Project: Derby
          Issue Type: Bug
          Components: Test
    Affects Versions: 10.1.3.3
         Environment: windows xp, IBM 1.5 SR11 FP1
            Reporter: Myrna van Lunteren
            Priority: Minor


After upgrade of the IBM 1.5 jvm from SR10 to SR11 FP1, the 10.1 stress.multi 
test is failing (out of 6 runs over the last 4 weeks, it failed 5 times) .

This is from the .diff file; there are 8 different heapdumps, this is the first 
(path has been simplified):
< ...running last checks via final.sql
7 add
> JVMDUMP006I Processing dump event "systhrow", detail 
> "java/lang/OutOfMemoryError" - please wait.
> JVMDUMP032I JVM requested Snap dump using 
> 'C:\ibm15_derbyall\Snap.20100714.092914.6192.0001.trc' in response to an event
> UTE001: Error starting trace thread for "Snap Dump Thread": -1
> JVMDUMP010I Snap dump written to 
> C:\ibm15_derbyall\Snap.20100714.092914.6192.0001.trc
> JVMDUMP032I JVM requested Heap dump using 
> 'C:\ibm15_derbyall\heapdump.20100714.092914.6192.0002.phd' in response to an 
> event
> JVMDUMP010I Heap dump written to 
> C:\ibm15_derbyall\heapdump.20100714.092914.6192.0002.phd
> JVMDUMP032I JVM requested Java dump using 
> 'C:\ibm15_derbyall\javacore.20100714.092914.6192.0003.txt' in response to an 
> event
> JVMDUMP010I Java dump written to 
> C:\ibm15_derbyall\javacore.20100714.092914.6192.0003.txt

I'll add a set of dump files.

Logging here for reference, could still be a so-far hidden derby problem or 
test problem, although I suspect the jvm.

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