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https://issues.apache.org/jira/browse/DERBY-1635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12479858
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Knut Anders Hatlen commented on DERBY-1635:
-------------------------------------------
I have seen the same diff on trunk (revision 516327 running on Solaris 10 with
Java SE 6). I'm not sure whether it's exactly the same error, since the actual
error is shown in stress.log, not in the diff. In my run, it failed with the
Derby network client driver, not with JCC, but the error seems to have happened
on the server side, so it could be the same bug. According to derby.log, the
test failed because of a NullPointerException with this stack trace:
java.lang.NullPointerException
at
org.apache.derby.impl.jdbc.EmbedPreparedStatement.getMetaData(EmbedPreparedStatement.java:1066)
at
org.apache.derby.impl.drda.DRDAConnThread.writeSQLDARD(DRDAConnThread.java:6085)
at
org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:756)
at
org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:275)
Tester2.log (log for the thread that failed), ends like this:
select * from main2;
ERROR XJ001: DERBY SQL error: SQLCODE: -1, SQLSTATE: XJ001, SQLERRMC:
java.lang.NullPointerExceptionXJ001.U
The exception was thrown by the last line of this workaround in
EmbedPreparedStatement.getMetaData():
//bug 4579 - gcDuringGetMetaData will be null
if this is the first time
//getMetaData call is made.
//Second check - if the statement was
revalidated since last getMetaData call,
//then gcDuringGetMetaData wouldn't match with
current generated class name
if (gcDuringGetMetaData == null ||
gcDuringGetMetaData.equals(execp.getActivationClass().getName()) == false)
{
rMetaData = null;
gcDuringGetMetaData =
execp.getActivationClass().getName();
}
I would assume getActivationClass() returned null (I find it less likely that
execp was null).
> stress.multi fails on 10.1/ibm131/jcc2.4
> ----------------------------------------
>
> Key: DERBY-1635
> URL: https://issues.apache.org/jira/browse/DERBY-1635
> Project: Derby
> Issue Type: Bug
> Components: Regression Test Failure
> Affects Versions: 10.1.3.2
> Environment: windows machine.
> Reporter: Sunitha Kambhampati
> Priority: Minor
>
> ********* Diff file derbynetmats/DerbyNet/multi/stress.diff
> *** Start: stress jdk1.3.1 DerbyNet derbynetmats:multi 2006-07-09 01:24:15 ***
> 6 del
> < TEST CASE SUMMARY: normal termination
> 7 del
> < ...running last checks via final.sql
> 7 add
> > TEST CASE SUMMARY: abnormal termination due to error(s) -- see test log
> > (./stress/stress.log) for details
> Test Failed.
> *** End: stress jdk1.3.1 DerbyNet derbynetmats:multi 2006-07-09 01:28:50 ***
> ------------------------------------------------------
> Generating report for RunSuite derbynetmats null null DerbyNet true
> ------------------ Java Information ------------------
> Java Version: 1.3.1
> Java Vendor: IBM Corporation
> Java home: D:\cloudtst\jartest\ibm131\jre
> Java classpath:
> D:/cloudtst/jartest/classes/derby.jar;D:/cloudtst/jartest/classes/derbytools.jar;D:/cloudtst/jartest/classes/derbynet.jar;D:/cloudtst/jartest/classes/functionTests.jar;D:/cloudtst/jartest/classes/derbyTesting.jar;D:/cloudtst/jartest/tools/java/jndi/fscontext.jar;D:/cloudtst/jartest/drda/jcc/2.4_latest/db2jcc.jar;D:/cloudtst/jartest/drda/jcc/2.4_latest/db2jcc_license_c.jar;D:/cloudtst/jartest/classes/derbyLocale_zh_TW.jar;D:/cloudtst/jartest/classes/derbyLocale_zh_CN.jar;D:/cloudtst/jartest/classes/derbyLocale_pt_BR.jar;D:/cloudtst/jartest/classes/derbyLocale_ko_KR.jar;D:/cloudtst/jartest/classes/derbyLocale_ja_JP.jar;D:/cloudtst/jartest/classes/derbyLocale_it.jar;D:/cloudtst/jartest/classes/derbyLocale_fr.jar;D:/cloudtst/jartest/classes/derbyLocale_es.jar;D:/cloudtst/jartest/classes/derbyLocale_de_DE.jar;
> OS name: Windows 2000
> OS architecture: x86
> OS version: 5.0
> Java user name: cloudtest
> Java user home: C:\Documents and Settings\cloudtest
> Java user dir:
> D:\cloudtst\jartest\JarResults.2006-07-07\ibm131_derbynetmats_jcc_2.4_latest
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.3
> --------- Derby Information --------
> JRE - JDBC: J2SE 1.3 - JDBC 2.1
> [D:\cloudtst\jartest\classes\derby.jar] 10.1.3.2 - (419765)
> [D:\cloudtst\jartest\classes\derbytools.jar] 10.1.3.2 - (419765)
> [D:\cloudtst\jartest\classes\derbynet.jar] 10.1.3.2 - (419765)
> [D:\cloudtst\jartest\drda\jcc\2.4_latest\db2jcc.jar] 2.4 - (19)
> [D:\cloudtst\jartest\drda\jcc\2.4_latest\db2jcc_license_c.jar] 2.4 - (19)
> ------------------------------------------------------
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