NullPointerException in newBrokeredStatement in app server environment
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Key: DERBY-3513
URL: https://issues.apache.org/jira/browse/DERBY-3513
Project: Derby
Issue Type: Bug
Components: JDBC
Affects Versions: 10.1.3.2
Environment: Java Version: 1.5.0
Java Vendor: IBM Corporation
OS name: Linux
OS architecture: x86
OS version: 2.6.9-55.ELsmp
Reporter: Kathey Marsden
User reports in an app server environment an intermittent NullPointerException
with the 10.1 trace:
R java.lang.NullPointerException
org.apache.derby.iapi.jdbc.BrokeredConnection.newBrokeredStatement(BrokeredConnection.java:448)
...org.apache.derby.jdbc.XAStatementControl.<init>(XAStatementControl.java:62)
...org.apache.derby.jdbc.EmbedXAConnection.wrapStatement(EmbedXAConnection.java:827)
org.apache.derby.iapi.jdbc.BrokeredConnection.createStatement(BrokeredConnection.java:296)
com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.createStatement(WSJdbcConnection.java:1215)
,,, [snip user trace]
The code at line 448 is simply:
return new BrokeredStatement(statementControl, getJDBCLevel());
so not much room for an NPE there. I added println statements to identify the
state values and where the NPE is actually occurring but that seemed to make
the
problem go away. It may be a JIT issue.
I gave them the fix for DERBY-2142 and that did not correct the problem.
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