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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-5121) Data corruption when executing an UPDATE trigger
Date Fri, 18 Mar 2011 16:06:29 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13008486#comment-13008486
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Kathey Marsden commented on DERBY-5121:
---------------------------------------

Hi Mamta, for the IBM JVM's there is a tool tool that you can use to analyze heap dumps and
memory issues , the .phd file that is generated when you get an out of memory.
http://www.alphaworks.ibm.com/tech/heapanalyzer

You run it like java -Xmx1200m -jar ha21.jar <phd file>

And in a box that comes up on the first screen it  shows the heap size. The menu options allow
you to identify leak suspects and it has other features.

I don't know how the heap size could be changed at runtime though. 


> Data corruption when executing an UPDATE trigger
> ------------------------------------------------
>
>                 Key: DERBY-5121
>                 URL: https://issues.apache.org/jira/browse/DERBY-5121
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.7.1.1, 10.8.0.0
>            Reporter: Rick Hillegas
>            Assignee: Mamta A. Satoor
>              Labels: derby_triage10_8
>         Attachments: DummyProc.java, derby5121_patch1_diff.txt, triggerBug.sql, triggerBug.sql,
triggeredBug2.sql, triggeredCorruption.sql
>
>
> When executing an UPDATE trigger, the following error is raised. I will attach a test
case:
> ERROR XCL12: An attempt was made to put a data value of type 'org.apache.derby.impl.jdbc.EmbedClob'
into a data value of type 'INTEGER'.

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