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From "Lily Wei (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4294) java.lang.OutOfMemoryError from mailjdbc test after running for one hour from select * from REFRESH.INBOX
Date Tue, 30 Jun 2009 23:44:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lily Wei updated DERBY-4294:
----------------------------

    Attachment: Derby4294_pid6920.zip

This is the heap dump from OOM with the test case.
Thank to Kathey and espinha for showing me how to do this. 
java -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/kmarsden/repro/derby-4294 org.apache.derby.tools.ij
	run the query and cause the OOM exception. Then exit.
	there will be a java_pid<pid>.hprof file.
[15:03]	jhat java_pid6920.hprof and then with your browser connect to http://localhost:7000
	there are good quick instructions at http://www.marcsturlese.com/2009/05/09/analyzing-java-heaps-with-jmap-and-jhat/

> java.lang.OutOfMemoryError from mailjdbc test after running for one hour from select
* from REFRESH.INBOX
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4294
>                 URL: https://issues.apache.org/jira/browse/DERBY-4294
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.3.3.0
>         Environment: Window Vista
>            Reporter: Lily Wei
>         Attachments: Derby4294_pid6920.zip, Heapspaceerror.zip
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> After running mailjdbc test on 10.3 branch, select * from REFRESH.INBOX gave me error
like:
> ERROR XJ001: Java exception: 'Java heap space: java.lang.OutOfMemoryError'
> I also see the same error on 10.5 branch. 
> I inculde my mailsdb directory in this bug too.
> How to reproduce this issue:
> 1. cd mailjdbc
> 2. java org.apache.derbyTesting.system.mailjdbc.MailJdbc embedded
> 3. Wait for an hour and ignore Primary key violation error 
> ( : INFO :Refresh Thread : Error while inserting attachments:The statement was ab
> orted because it would have caused a duplicate key value in a unique or primary
> key constraint or unique index identified by 'ATTACH__PK' defined on 'ATTACH'.)

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