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https://issues.apache.org/jira/browse/DERBY-4773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12900169#action_12900169
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Soundararajan Velu commented on DERBY-4773:
-------------------------------------------

Rick this is the stack trace for the issue, It would be great if you can 
suggest...

{noformat}
2010-08-12 00:11:28.913 GMT : Apache Derby Network Server - 10.5.3.0 - (802917) 
started and ready to accept connections on port 1527
----------------------------------------------------------------
2010-08-12 00:11:33.926 GMT:
 Booting Derby version The Apache Software Foundation - Apache Derby - 10.5.3.0 
- (802917): instance a816c00e-012a-63a3-1ecc-00004650e8f2
on database directory /ngcdn/md/derby/bin/metastore_db  

Database Class Loader started - derby.database.classpath=''
2010-08-12 00:11:42.010 GMT Thread[DRDAConnThread_3,5,main] (XID = 1331860), 
(SESSIONID = 1), (DATABASE = metastore_db), (DRDAID = 
C0A86101.C9BA-4413244878274481857{1}), Cleanup action starting
2010-08-12 00:11:42.010 GMT Thread[DRDAConnThread_3,5,main] (XID = 1331860), 
(SESSIONID = 1), (DATABASE = metastore_db), (DRDAID = 
C0A86101.C9BA-4413244878274481857{1}), Failed Statement is: CALL 
SYSIBM.SQLSTATISTICS(?,?,?,?,?,?) with 6 parameters begin parameter #1: NULL 
:end parameter begin parameter #2: NULL :end parameter begin parameter #3: DBS 
:end parameter begin parameter #4: 1 :end parameter begin parameter #5: 1 :end 
parameter begin parameter #6: 
DATATYPE='JDBC';DYNAMIC=0;REPORTPUBLICPRIVILEGES=1;CURSORHOLD=1 :end parameter 
java.lang.ArrayIndexOutOfBoundsException: 1
        at 
org.apache.derby.impl.sql.GenericParameterValueSet.initialize(Unknown Source)
        at 
org.apache.derby.impl.sql.execute.BaseActivation.setupActivation(Unknown Source)
        at org.apache.derby.impl.sql.GenericActivationHolder.<init>(Unknown 
Source)
        at 
org.apache.derby.impl.sql.GenericPreparedStatement.getActivation(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown 
Source)
        at org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedConnection.prepareMetaDataStatement(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.prepareSPS(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.getPreparedQueryUsingSystemTables(Unknown
 Source)
        at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.getPreparedQuery(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.getPreparedQuery(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.doGetIndexInfo(Unknown Source)
        at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.getIndexInfo(Unknown Source)
        at org.apache.derby.catalog.SystemProcedures.SQLSTATISTICS(Unknown 
Source)
        at 
org.apache.derby.exe.acf81e0010x012ax63a3x1eccx00004650e8f21b.g0(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.derby.impl.services.reflect.ReflectMethod.invoke(Unknown 
Source)
        at 
org.apache.derby.impl.sql.execute.CallStatementResultSet.open(Unknown Source)
        at 
org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(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.EmbedCallableStatement.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.parseEXCSQLSTTobjects(Unknown Source)
        at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLSTT(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
Cleanup action completed
New exception raised during cleanup null
java.lang.NullPointerException
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.initRequiredPriv(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.resetContext(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.cleanupOnError(Unknown 
Source)
        at 
org.apache.derby.iapi.services.context.ContextManager.cleanupOnError(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.cleanupOnError(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.EmbedPreparedStatement.executeStatement(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedCallableStatement.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.parseEXCSQLSTTobjects(Unknown Source)
        at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLSTT(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
2010-08-12 00:11:42.850 GMT Thread[DRDAConnThread_3,5,main] Equally severe 
exception raised during cleanup (ignored) null
java.lang.NullPointerException
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.initRequiredPriv(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.resetContext(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.CompilerContextImpl.cleanupOnError(Unknown 
Source)
        at 
org.apache.derby.iapi.services.context.ContextManager.cleanupOnError(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.cleanupOnError(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.EmbedPreparedStatement.executeStatement(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedCallableStatement.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.parseEXCSQLSTTobjects(Unknown Source)
        at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLSTT(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
Cleanup action completed
{noformat}

> Derby Network service mode creates a lot of generated classes (extends 
> BaseActivation).
> ---------------------------------------------------------------------------------------
>
>                 Key: DERBY-4773
>                 URL: https://issues.apache.org/jira/browse/DERBY-4773
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.6.1.0
>         Environment: Suse Linux 11, Hive 5.0, Hadoop v.20.1
>            Reporter: Soundararajan Velu
>             Fix For: 10.6.1.0
>
>
> When I run Derby as a Network service, due to some reason it created about 
> 1800 generated calss files (ac0a3c3082x012ax5c4fx64fcx00004650e8f2b.class, 
> extends BaseActivation), I am unable to figure out the reason and now unable 
> to reproduce the situation again. Has anyone faced this issue.

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