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Posted to dev@synapse.apache.org by "Asankha C. Perera (JIRA)" <ji...@apache.org> on 2007/10/31 10:18:50 UTC
[jira] Created: (SYNAPSE-167) XSLT transformation could throw an
OutOfMemory exception with very large (> 10MB) requests
XSLT transformation could throw an OutOfMemory exception with very large (> 10MB) requests
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Key: SYNAPSE-167
URL: https://issues.apache.org/jira/browse/SYNAPSE-167
Project: Synapse
Issue Type: Bug
Components: Extension Mediators
Affects Versions: 1.1-QA-B3
Reporter: Asankha C. Perera
Assignee: Asankha C. Perera
Fix For: 1.1-RC1
XSLT transformation of very large requests could throw the system OutOfMemory
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[jira] Resolved: (SYNAPSE-167) XSLT transformation could throw an
OutOfMemory exception with very large (> 10MB) requests
Posted by "Asankha C. Perera (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SYNAPSE-167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Asankha C. Perera resolved SYNAPSE-167.
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Resolution: Fixed
After a few days of debugging and profiling I managed to find that the culprit was Xalan!
(See here as well http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6434840)
Thus I have updated the XSLT mediator to use in-memory ByteArray streams for transformations upto 8K messages (transform source or result size) and to use temporary files where this size is exceeded. This allows me to perform transformations that yield both XML and non-XML outputs of over 10MB in size without any problem (even larger transformations should work fine now). The fix also removed the previously hard coded System property "javax.xml.transform.TransformerFactory" which may now be left unspecified (i.e. use the JDK default) or set to what you desire (e.g. "org.apache.xalan.xsltc.trax.TransformerFactoryImpl") depending on the environment/JDK used. This fix is checked in with associated unit tests
> XSLT transformation could throw an OutOfMemory exception with very large (> 10MB) requests
> ------------------------------------------------------------------------------------------
>
> Key: SYNAPSE-167
> URL: https://issues.apache.org/jira/browse/SYNAPSE-167
> Project: Synapse
> Issue Type: Bug
> Components: Extension Mediators
> Affects Versions: 1.1-QA-B3
> Reporter: Asankha C. Perera
> Assignee: Asankha C. Perera
> Fix For: 1.1-RC1
>
>
> XSLT transformation of very large requests could throw the system OutOfMemory
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