[teiid-issues] [JBoss JIRA] Resolved: (TEIID-531) RelationalPlan.clone() causes NullPointerException when cloning BatchedUpdatePlan

[Larry O'Leary (JIRA)]

     [ https://jira.jboss.org/jira/browse/TEIID-531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Larry O'Leary resolved TEIID-531.
---------------------------------

    Fix Version/s: 6.1.0
       Resolution: Done


> RelationalPlan.clone() causes NullPointerException when cloning BatchedUpdatePlan
> ---------------------------------------------------------------------------------
>
>                 Key: TEIID-531
>                 URL: https://jira.jboss.org/jira/browse/TEIID-531
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 6.0.0, 6.1.0
>            Reporter: Larry O'Leary
>            Assignee: Larry O'Leary
>            Priority: Minor
>             Fix For: 6.1.0
>
>
> When executing a new unit test which used a BatchedUpdateCommand with a PreparedStatement the following error would occur when executing ProcessorPlan.clone() using a plan of type BatchedUpdatePlan:
> BatchedUpdatePlan {
> ProjectNode(2) output=["Count"] ["Count"]
>   BatchedUpdateNode(3) output=["Count"] 
> }
> java.lang.RuntimeException: java.lang.NullPointerException
> 	at com.metamatrix.query.processor.TestProcessor.helpProcess(TestProcessor.java:224)
> 	at org.teiid.dqp.internal.process.TestPreparedStatement.helpTestProcessing(TestPreparedStatement.java:127)
> 	at org.teiid.dqp.internal.process.TestPreparedStatementBatchedUpdate.testProcessor_VarNumCmds(TestPreparedStatementBatchedUpdate.java:196)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:168)
> 	at junit.framework.TestCase.runBare(TestCase.java:134)
> 	at junit.framework.TestResult$1.protect(TestResult.java:110)
> 	at junit.framework.TestResult.runProtected(TestResult.java:128)
> 	at junit.framework.TestResult.run(TestResult.java:113)
> 	at junit.framework.TestCase.run(TestCase.java:124)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:232)
> 	at junit.framework.TestSuite.run(TestSuite.java:227)
> 	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)
> 	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
> 	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
> Caused by: java.lang.NullPointerException
> 	at java.util.ArrayList.<init>(ArrayList.java:131)
> 	at com.metamatrix.query.processor.relational.RelationalPlan.clone(RelationalPlan.java:136)
> 	at com.metamatrix.query.processor.batch.BatchedUpdatePlan.clone(BatchedUpdatePlan.java:83)
> 	at com.metamatrix.query.processor.TestProcessor.helpProcess(TestProcessor.java:214)
> 	... 21 more
> It appears that in the test case outputCols is null in the ProjectNode of the relational plan which then results in the clone of outputcols to fail due to it being used as a parameter to the creation of the new ArrayList.

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