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Posted to derby-dev@db.apache.org by "Bryan Pendleton (JIRA)" <ji...@apache.org> on 2007/10/06 04:59:50 UTC
[jira] Resolved: (DERBY-3033) select query results in nullpointer
exception in skipScan()
[ https://issues.apache.org/jira/browse/DERBY-3033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bryan Pendleton resolved DERBY-3033.
------------------------------------
Resolution: Fixed
Fix Version/s: 10.4.0.0
10.3.2.0
I merged the trunk patch back to the 10.3 branch without issues, and my build and test runs were clean, so I committed the patch to the 10.3 branch as revision 582439.
> select query results in nullpointer exception in skipScan()
> -----------------------------------------------------------
>
> Key: DERBY-3033
> URL: https://issues.apache.org/jira/browse/DERBY-3033
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.2.2.0
> Environment: Windows XP, Java 5.0, JDBC, Derby 10.2.2.0
> Reporter: Haolan Qin
> Assignee: Bryan Pendleton
> Fix For: 10.3.2.0, 10.4.0.0
>
> Attachments: bug4736.sql, d3033-sane-ij-session-10.3.1.5.txt, generatedActivation.txt, noClosureOfNotExists.diff, patchWithImprovedComments.diff, patchWithRenamedTest.diff, query_plan.new, query_plan.old, queryPlanRS.txt, repro2.java, repro2.java, repro3.java, test.rar, test.zip, viewer_10_1.zip
>
>
> The following error was repeatedly thrown when we tried to run a select query via JDBC. Strangely, the exact same select query did not trigger any error when run from the command line console. After we added an index, the error went away completely.
> java.lang.NullPointerException
> at org.apache.derby.impl.sql.execute.NoPutResultSetImpl.skipScan(Unknown Source)
> at org.apache.derby.impl.sql.execute.TableScanResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.IndexRowToBaseRowResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.JoinResultSet.openRight(Unknown Source)
> at org.apache.derby.impl.sql.execute.JoinResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(Unknown Source)
> at org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(Unknown Source)
> at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
> at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
> at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStatement(Unknown Source)
> at org.apache.derby.impl.jdbc.EmbedPreparedStatement.execute(Unknown Source)
> at org.apache.derby.impl.drda.DRDAStatement.execute(Unknown Source)
> at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Source)
> at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
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