[DERBY-5554] NullPointerException in generated VTI code

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 10.3.1.4, 10.4.1.3, 10.5.1.1, 10.6.1.0, 10.7.1.1, 10.8.2.2
• Fix Version/s: 10.9.1.0
• Component/s: SQL
• Labels: derby_backport_reject_10_8 derby_triage10_9
• Urgency: Normal
• Issue & fix info: Patch Available, Release Note Needed, Repro attached
• Bug behavior facts: Crash
• Assignee: Richard N. Hillegas
• Reporter: Bryan Pendleton
• Created: 23/Dec/11 05:49
• Updated: 02/Jun/14 12:37
• Resolved: 14/Jun/13 16:54

Description

With the latest 10.8.2.2 binary distribution, the following short script produces a NullPointerException:

java -Dij.exceptionTrace=true org.apache.derby.tools.ij
ij> connect 'jdbc:derby:brydb;create=true';
ij> create table t1 (a int);
ij> SELECT T2., systabs., syscgs.conglomeratenumber
FROM
SYS.SYSTABLES systabs, sys.sysconglomerates syscgs,
TABLE (SYSCS_DIAG.SPACE_TABLE(systabs.tablename)) AS T2
WHERE systabs.tabletype = 'T' and systabs.tableid = syscgs.tableid;

The exception trace is pasted below:

ERROR 38000: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.
java.sql.SQLException: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.main(Unknown Source)
at org.apache.derby.tools.ij.main(Unknown Source)
Caused by: java.sql.SQLException: The exception 'java.lang.NullPointerException' was thrown while evaluating an expression.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
... 18 more
Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
... 15 more
Caused by: java.lang.NullPointerException
at org.apache.derby.exe.acf81e0010x0134x6972x0511x0000033820000.g0(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.derby.impl.services.reflect.ReflectMethod.invoke(Unknown Source)
at org.apache.derby.impl.sql.execute.VTIResultSet.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.JoinResultSet.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.executeStmt(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
... 11 more
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
at org.apache.derby.impl.tools.ij.Main.main(Unknown Source)
at org.apache.derby.tools.ij.main(Unknown Source)
Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
... 19 more
Caused by: java.lang.NullPointerException
at org.apache.derby.exe.acf81e0010x0134x6972x0511x0000033820000.g0(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.derby.impl.services.reflect.ReflectMethod.invoke(Unknown Source)
at org.apache.derby.impl.sql.execute.VTIResultSet.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.JoinResultSet.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.executeStmt(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
... 11 more

Issue Links

• is related to: DERBY-6593 Using a natural join, you can invoke a table function with an argument which is outside the scope of the query block.
• is related to: DERBY-5779 Table functions should only accept arguments which are constant in their query block.
• is related to: DERBY-5822 Document the new SQL standard behavior of the SPACE_TABLE vti
• relates to: DERBY-1520 Document new SYSCS_DIAG tables
• relates to: DERBY-2152 Support diagnostic vti tables that take parameters, such as SpaceTable