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https://issues.apache.org/jira/browse/DERBY-3607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643529#action_12643529
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sunil kumar K C commented on DERBY-3607:
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Hi Kristian,
          Thanks for the efforts your taking to solve this issue. I hope you 
have instaled both the exe's we gave. usually the corrupton happens when we 
restart the second exe( ACM)  and restart the server number of times. The 
corruption is very random as it can occur in first restart or may be after 5 th 
or 10th. We have tried in different machines and it happens everyplace even 
though the frequency is different. i hope you can see 3 Derby db s in the 
installation folder ( Arena/db). 

thanks 
Sunil

> Invalid checksum error in Derby 10.3.2.1
> ----------------------------------------
>
>                 Key: DERBY-3607
>                 URL: https://issues.apache.org/jira/browse/DERBY-3607
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.2.1, 10.4.1.3
>         Environment: OS-WIN XP SP2, 1.86GHz, 2GB, JVM 1.5, disk caching 
> disabled, Hibernate 3.1.1.RC3,c3p0
>            Reporter: Shahbaz
>            Priority: Critical
>         Attachments: DB_10.4logs.zip, derby.log, derby.log, derby.log, 
> derby.log, DerbyIssues_DBSource.zip, hibernate.cfg.xml, hibernate.cfg.xml, 
> hibernate.cfg.xml, modules.properties, SingleThread Test.zip
>
>
> I am getting this execption when ever I try to restart my application
> java.sql.SQLException: Invalid checksum on Page Page(0,Container(0, 2033)), 
> expected=2,731,401,932, on-disk version=2,375,776,513, page dump follows: Hex 
> dump:
> 00000000: 0076 0000 0001 0000 0000 0000 0002 0000  .v..............
> 00000010: 0000 0006 0000 0000 0000 0000 0000 0000  ................
> 00000020: 0000 0000 0001 0000 0000 0000 0000 0000  ................
> 00000030: 0000 0000 0000 0000 0000 0000 ffff ffff  ................
> 00000040: ffff ffff 0000 0000 0000 0000 0000 0000  ................
> 00000050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
> 00000060: 0000 0000 0000 0000 0000 0000 5000 0000  ............P...
> at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown 
> Source)
>       at org.apache.derby.impl.jdbc.Util.generateCsSQLException(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.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 
> com.mchange.v2.c3p0.impl.NewProxyCallableStatement.execute(NewProxyCallableStatement.java:3044)
>       at 
> ae.sphere.arena.database.management.backup.BackupStategy.createBackup(BackupStategy.java:56)
>       at 
> ae.sphere.arena.database.management.backup.BackupStategy.doSchedulerJob(BackupStategy.java:41)
>       at 
> ae.sphere.arena.common.jobscheduler.Scheduler$1.run(Scheduler.java:49)
>       at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
> 00000070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
> 00000080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
> 00000090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
> 000000a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
> 000000b0: 0000 0

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