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From "Kathey Marsden (JIRA)" <derby-...@db.apache.org>
Subject [jira] Assigned: (DERBY-176) Derby throws ERROR XBCM1: Java linkage error thrown during load of generated class org.apache.derby.exe.aced07c066x0102xca87x3319x00004aa5686e1 during execution of large query
Date Fri, 29 Apr 2005 20:25:19 GMT
     [ http://issues.apache.org/jira/browse/DERBY-176?page=all ]

Kathey Marsden reassigned DERBY-176:
------------------------------------

    Assign To:     (was: Kathey Marsden)

Not able to work on this right now so unassigning myself

> Derby throws ERROR XBCM1: Java linkage error thrown during load of generated class org.apache.derby.exe.aced07c066x0102xca87x3319x00004aa5686e1
during execution of large query
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>          Key: DERBY-176
>          URL: http://issues.apache.org/jira/browse/DERBY-176
>      Project: Derby
>         Type: Bug
>   Components: SQL
>     Versions: 10.0.2.0, 10.0.2.1, 10.0.2.2, 10.1.0.0
>     Reporter: Kathey Marsden
>  Attachments: largeCodeGen.java
>
> When executing a large query or oather large operations, Derby throws a java linkage
exception.
> This is because the generated byte code exceeds the JVM limits for method sizes constant
pool entries etc, the amount of code in a conditional etc.  The attached repro demonstrates
the problem but the problem can also occur for other operations that generate lots of byte
code.  The repro is just a new functional test,
> so should be copied to derbyTesting/functionTests/lang/largeCodeGen.java and run like
>  java -Djvmflags=-Xmx512M org.apache.derbyTesting.harness.RunTest lang/largeCodeGen
> When this problem is fixed additional scenarios should be added to this test.
> ERROR XBCM1: Java linkage error thrown during load of 
> generated class org.apache.derby.exe.aced07c066x0102xca87x3319x00004aa5686e1.
> 	at org.apache.derby.iapi.error.StandardException.newException(StandardException.java:315)
> 	at org.apache.derby.impl.services.reflect.DatabaseClasses.loadGeneratedClass(DatabaseClasses.java:162)
> 	at org.apache.derby.impl.services.bytecode.GClass.getGeneratedClass(GClass.java:59)
> 	at org.apache.derby.impl.sql.compile.ExpressionClassBuilder.getGeneratedClass(ExpressionClassBuilder.java:920)
> 	at org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:270)
> 	at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:432)
> 	at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:107)
> 	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:688)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(EmbedPreparedStatement.java:118)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(EmbedPreparedStatement20.java:82)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(EmbedPreparedStatement30.java:62)
> 	at org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Driver30.java:92)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:675)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:519)
> 	at org.apache.derbyTesting.functionTests.tests.lang.largeCodeGen.main(largeCodeGen.java:86)
> Exception in thread "main" 

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