[jira] Resolved: (DERBY-939) NullPointerException at ResultSet.close() time for simple query using UNION and INTERSECT
[ http://issues.apache.org/jira/browse/DERBY-939?page=all ] Yip Ng resolved DERBY-939. -- Fix Version/s: 10.2.0.0 Resolution: Fixed > NullPointerException at ResultSet.close() time for simple query using UNION > and INTERSECT > - > > Key: DERBY-939 > URL: http://issues.apache.org/jira/browse/DERBY-939 > Project: Derby > Issue Type: Bug > Components: SQL >Affects Versions: 10.2.0.0, 10.1.3.0 > Environment: Embedded and server modes, with > derby.language.logQueryPlan=true >Reporter: A B > Assigned To: Yip Ng >Priority: Minor > Fix For: 10.2.0.0 > > Attachments: derby939trunkdiffpatch1.txt, > derby939trunkdiffpatch2.txt, derby939trunkstatpatch1.txt, > derby939trunkstatpatch2.txt > > > If I set "derby.language.logQueryPlan" to true and then attempt to execute > the following simple query using UNION and INTERSECT, Derby will return the > correct results and then, _after_ returning the results, will throw a > NullPointerException. This error also occurs for 10.1. > To reproduce: > > java -Dderby.language.logQueryPlan=true org.apache.derby.tools.ij > and then do: > create table t1 (i int); > create table t2 (j int); > create table t3 (a int); > ij> select i from t1 union (select j from t2 intersect select a from t3); > 1 > --- > 0 rows selected > ERROR XJ001: Java exception: ': java.lang.NullPointerException'. > If I add data, the query will return the correct results, but then throw the > NPE. > insert into t1 values 1, 2, 3, 4, 5; > insert into t2 values 2, 4, 6, 8, 10; > insert into t3 values 2, 3, 4; > ij> select i from t1 union (select j from t2 intersect select a from t3); > 1 > --- > 1 > 2 > 3 > 4 > 5 > 5 rows selected > ERROR XJ001: Java exception: ': java.lang.NullPointerException'. > The embedded and client stack traces are shown below. Both suggest that the > problem occurs during the close of the result set. > -- Embedded -- > java.lang.NullPointerException > at > org.apache.derby.impl.sql.execute.rts.RealUnionResultSetStatistics.getStatementExecutionPlanText(RealUnionResultSetStatistics.java:107) > at > org.apache.derby.impl.sql.execute.rts.RealSortStatistics.getStatementExecutionPlanText(RealSortStatistics.java:124) > at > org.apache.derby.impl.sql.execute.rts.RunTimeStatisticsImpl.getStatementExecutionPlanText(RunTimeStatisticsImpl.java:293) > at > org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.finishAndRTS(BasicNoPutResultSetImpl.java:633) > at > org.apache.derby.impl.sql.execute.SortResultSet.finish(SortResultSet.java:479) > at > org.apache.derby.impl.jdbc.EmbedResultSet.close(EmbedResultSet.java:533) > at > org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:272) > at > org.apache.derby.tools.JDBCDisplayUtil.DisplayResults(JDBCDisplayUtil.java:260) > at > org.apache.derby.impl.tools.ij.utilMain.displayResult(utilMain.java:381) > at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:434) > at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310) > at org.apache.derby.impl.tools.ij.Main.go(Main.java:203) > at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169) > at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55) > at org.apache.derby.tools.ij.main(ij.java:60) > -- Client -- > ERROR (no SQLState): actual code point, 4692 does not match expected code > point, 9224 > java.sql.SQLException: actual code point, 4692 does not match expected code > point, 9224 > at > org.apache.derby.client.am.SqlException.getSQLException(SqlException.java:280) > at org.apache.derby.client.am.ResultSet.close(ResultSet.java:412) > at > org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:272) > at > org.apache.derby.tools.JDBCDisplayUtil.DisplayResults(JDBCDisplayUtil.java:260) > at > org.apache.derby.impl.tools.ij.utilMain.displayResult(utilMain.java:381) > at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:434) > at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310) > at org.apache.derby.impl.tools.ij.Main.go(Main.java:203) > at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169) > at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55) > at org.apache.derby.tools.ij.main(ij.java:60) > Caused by: org.apache.derby.client.am.DisconnectException: actual code point, > 4692 does not match ex > pected code point, 9224 > at > org.apache.derby.client.net.Reply.zThrowSyntaxError(Reply.java:1157) > at > org.apache.derby.client.net.Reply.parseLengthAndMatchCodePoint(Reply.java:1057) > at >
[jira] Resolved: (DERBY-939) NullPointerException at ResultSet.close() time for simple query using UNION and INTERSECT
[ https://issues.apache.org/jira/browse/DERBY-939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] A B resolved DERBY-939. --- Resolution: Fixed Derby Info: (was: [Release Note Needed, Patch Available]) > NullPointerException at ResultSet.close() time for simple query using UNION > and INTERSECT > - > > Key: DERBY-939 > URL: https://issues.apache.org/jira/browse/DERBY-939 > Project: Derby > Issue Type: Bug > Components: SQL >Affects Versions: 10.1.3.1, 10.2.1.6 > Environment: Embedded and server modes, with > derby.language.logQueryPlan=true >Reporter: A B > Assigned To: Yip Ng >Priority: Minor > Fix For: 10.2.1.6 > > Attachments: derby939trunkdiffpatch1.txt, > derby939trunkdiffpatch2.txt, derby939trunkstatpatch1.txt, > derby939trunkstatpatch2.txt > > > If I set "derby.language.logQueryPlan" to true and then attempt to execute > the following simple query using UNION and INTERSECT, Derby will return the > correct results and then, _after_ returning the results, will throw a > NullPointerException. This error also occurs for 10.1. > To reproduce: > > java -Dderby.language.logQueryPlan=true org.apache.derby.tools.ij > and then do: > create table t1 (i int); > create table t2 (j int); > create table t3 (a int); > ij> select i from t1 union (select j from t2 intersect select a from t3); > 1 > --- > 0 rows selected > ERROR XJ001: Java exception: ': java.lang.NullPointerException'. > If I add data, the query will return the correct results, but then throw the > NPE. > insert into t1 values 1, 2, 3, 4, 5; > insert into t2 values 2, 4, 6, 8, 10; > insert into t3 values 2, 3, 4; > ij> select i from t1 union (select j from t2 intersect select a from t3); > 1 > --- > 1 > 2 > 3 > 4 > 5 > 5 rows selected > ERROR XJ001: Java exception: ': java.lang.NullPointerException'. > The embedded and client stack traces are shown below. Both suggest that the > problem occurs during the close of the result set. > -- Embedded -- > java.lang.NullPointerException > at > org.apache.derby.impl.sql.execute.rts.RealUnionResultSetStatistics.getStatementExecutionPlanText(RealUnionResultSetStatistics.java:107) > at > org.apache.derby.impl.sql.execute.rts.RealSortStatistics.getStatementExecutionPlanText(RealSortStatistics.java:124) > at > org.apache.derby.impl.sql.execute.rts.RunTimeStatisticsImpl.getStatementExecutionPlanText(RunTimeStatisticsImpl.java:293) > at > org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.finishAndRTS(BasicNoPutResultSetImpl.java:633) > at > org.apache.derby.impl.sql.execute.SortResultSet.finish(SortResultSet.java:479) > at > org.apache.derby.impl.jdbc.EmbedResultSet.close(EmbedResultSet.java:533) > at > org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:272) > at > org.apache.derby.tools.JDBCDisplayUtil.DisplayResults(JDBCDisplayUtil.java:260) > at > org.apache.derby.impl.tools.ij.utilMain.displayResult(utilMain.java:381) > at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:434) > at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310) > at org.apache.derby.impl.tools.ij.Main.go(Main.java:203) > at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169) > at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55) > at org.apache.derby.tools.ij.main(ij.java:60) > -- Client -- > ERROR (no SQLState): actual code point, 4692 does not match expected code > point, 9224 > java.sql.SQLException: actual code point, 4692 does not match expected code > point, 9224 > at > org.apache.derby.client.am.SqlException.getSQLException(SqlException.java:280) > at org.apache.derby.client.am.ResultSet.close(ResultSet.java:412) > at > org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:272) > at > org.apache.derby.tools.JDBCDisplayUtil.DisplayResults(JDBCDisplayUtil.java:260) > at > org.apache.derby.impl.tools.ij.utilMain.displayResult(utilMain.java:381) > at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:434) > at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310) > at org.apache.derby.impl.tools.ij.Main.go(Main.java:203) > at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169) > at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55) > at org.apache.derby.tools.ij.main(ij.java:60) > Caused by: org.apache.derby.client.am.DisconnectException: actual code point, > 4692 does not match ex > pected code point, 9224 > at > org.apache.derby.client.net.Reply.zThrowSyntaxError(Reply.java:1157) > at > org.apa