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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6496) Optional tool registration may fail because the CompilerContext is not always available at execution time.
Date Thu, 06 Mar 2014 13:48:44 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-6496:
---------------------------------

    Attachment: derby-6496-02-aa-optimizerTracer.diff

Attaching derby-6496-02-aa-optimizerTracer.diff. This patch fixes the corresponding problem
which Knut found in OptimizerTracer. I am running tests now.

Touches the following files:

M       java/engine/org/apache/derby/impl/sql/compile/OptimizerTracer.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/Test_6496.java


> Optional tool registration may fail because the CompilerContext is not always available
at execution time.
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-6496
>                 URL: https://issues.apache.org/jira/browse/DERBY-6496
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.11.0.0
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>         Attachments: derby-6496-01-aa-useClassFactoryContext.diff, derby-6496-01-ab-useClassFactoryContext.diff,
derby-6496-02-aa-optimizerTracer.diff
>
>
> For reasons which elude me, the CompilerContext is sometimes available at execution time
and sometimes not. When the CompilerContext is not available at execution time, optional tool
loading fails on an NPE:
> Caused by: java.lang.NullPointerException
> 	at org.apache.derby.catalog.Java5SystemProcedures.SYSCS_REGISTER_TOOL(Java5SystemProcedures.java:104)
> 	at org.apache.derby.exe.ac4d3680a5x0144x93adx0136xffffe1d7aa3e0.g0(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at org.apache.derby.impl.services.reflect.ReflectMethod.invoke(ReflectMethod.java:46)
> 	at org.apache.derby.impl.sql.execute.CallStatementResultSet.open(CallStatementResultSet.java:75)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:470)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:349)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1338)



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