[jboss-user] [JBoss jBPM] - Re: ProcessDefinition in 2nd level cache

[estaub]

Tom, 

The exact same design issue is in last week's commit (rev 1.2) to JpdlParser.java.  SaxParserFactory is not threadsafe.

Either each thread needs it's own SaxParserFactory (typically hung off a ThreadLocal), 

... or the newInstance() call in SaxParserFactory.createXmlReader() needs to be synchronized on a static class member or SaxParserFactory.class.

In this case, since contention will be so rare, just adding the synchronize (...JpdlParser.class) seems fine.

-Ed Staub

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