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From "Brandon L. Duncan" <brandonl.dun...@gmail.com>
Subject Random DRDA Error on IBM J9 JVM
Date Mon, 19 Mar 2012 15:55:38 GMT
I was wondering if anyone came across this error before while attempting to
establish a connection to Derby? The database seems to boot fine, but when
a connection is attempted it just bombs out. It also is not
always reproducible, as at times it will be fine, other times it errors
with the exception below. The JVM is IBM's J9 implementation. I know Derby
10.4.2.0 is a wee bit old, but upgrading this instance would not be easy at
this point.

java version "1.6.0"

Java(TM) SE Runtime Environment (build
pap3260sr9ifix-20110211_02(SR9+IZ94423))

IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 OS/400 ppc-32
jvmap3260sr9-20101130 (JIT enabled, AOT enabled)

J9VM - 20101124_069295

JIT  - r9_20101028_17488ifx2

GC   - 20101027_AA)

JCL  - 20101119_01


Derby Log:

Apache Derby Network Server - 10.4.2.0 - (689064) started and ready to
accept connections on port 1555 at 2012-03-15 13:27:29.860 GMT
Connection number: 1.

2012-03-15 13:27:34.382 GMT:
Shutting down instance a816c00e-0136-168a-b0de-ffffd934f54c
----------------------------------------------------------------
2012-03-15 13:27:34.384 GMT Thread[DRDAConnThread_11,5,main] Cleanup action
starting
java.lang.NullPointerException
at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.stop(Unknown
Source)
at org.apache.derby.impl.services.monitor.TopService.stop(Unknown Source)
at org.apache.derby.impl.services.monitor.TopService.shutdown(Unknown
Source)
at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown
Source)
at
org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
at org.apache.derby.impl.drda.Database.makeConnection(Unknown Source)
at
org.apache.derby.impl.drda.DRDAConnThread.getConnFromDatabaseName(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.verifyUserIdPassword(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.parseSECCHK(Unknown Source)
at org.apache.derby.impl.drda.DRDAConnThread.parseDRDAConnection(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Source)
at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
Cleanup action completed
2012-03-15 13:27:34.385 GMT Thread[DRDAConnThread_11,5,main] Cleanup action
starting
java.lang.NullPointerException
at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.stop(Unknown
Source)
at org.apache.derby.impl.services.monitor.TopService.stop(Unknown Source)
at org.apache.derby.impl.services.monitor.TopService.shutdown(Unknown
Source)
at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown
Source)
at
org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown
Source)
at
org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
at org.apache.derby.impl.drda.Database.makeConnection(Unknown Source)
at
org.apache.derby.impl.drda.DRDAConnThread.getConnFromDatabaseName(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.verifyUserIdPassword(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.parseSECCHK(Unknown Source)
at org.apache.derby.impl.drda.DRDAConnThread.parseDRDAConnection(Unknown
Source)
at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Source)
at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
Cleanup action completed
2012-03-15 13:27:34.388 GMT Thread[DRDAConnThread_11,5,main] (DATABASE =
../../database), (DRDAID = {1}), Java exception: ':
java.lang.NullPointerException'.
Connection number: 2.

Thanks for any feedback.

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