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Posted to dev@xalan.apache.org by bu...@apache.org on 2004/06/02 18:25:35 UTC
DO NOT REPLY [Bug 29057] -
Used memory is not released once OutOfMemoryError occurs when DTMManager.setIncremental() is set as true.
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http://issues.apache.org/bugzilla/show_bug.cgi?id=29057
Used memory is not released once OutOfMemoryError occurs when DTMManager.setIncremental() is set as true.
igorh@ca.ibm.com changed:
What |Removed |Added
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AssignedTo|xalan-dev@xml.apache.org |igorh@ca.ibm.com
------- Additional Comments From igorh@ca.ibm.com 2004-06-02 16:25 -------
The problem seems to be relatively complicated.
Setting
DTMManager.setIncremental(true);
causes creating a new (second)thread.
OutOfMemory exception happens in the main thread.
The second thread doesn’t know anything about the
exception and waits indefinitely. This thread wouldn’t be
terminated while the JVM is alive.
There is relatively simple solution for this particular bug
to change methods in TransformerHandlerImpl
if (m_contentHandler != null){
if(!needErrorFlag){
try{
m_contentHandler.characters(ch, start, length);
} catch (Throwable t) {
m_contentHandler.endDocument();
throw new SAXParseException(t.getMessage(),m_locator);
}
}else{
m_contentHandler.characters(ch, start, length);
}
}
It would work with some performance degradation.
This solution seems to be not that complete.
As far as I understand we had some code to handle the problem
(see TransformerImpl hasTransformThreadErrorCatcher(),
getExceptionThrown()).
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