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From Cédric Opfermann (JIRA) <>
Subject [jira] Created: (JXPATH-141) Multithreading issue
Date Mon, 14 Dec 2009 11:03:18 GMT
Multithreading issue

                 Key: JXPATH-141
             Project: Commons JXPath
          Issue Type: Improvement
    Affects Versions: 1.2 Final
         Environment: All
            Reporter: Cédric Opfermann
             Fix For: 1.4

I have only one FunctionLibrary which is shared between all thread of my application.
When I execute the getFunction method for the first time, the cache is prepared. But if many
thread access the function for first time during the cache creation, there is a problem because
the byNamespace variable is not null but still empty.
The first solution would be to synchronize the getFunction method or to add a synchronized
block around the prepare cache method call.

What do you think about that ?


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