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From "Eddie Epstein (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-2712) TypsSystemImpl:getNumberOfTypes() causes deadlocks in multithreaded applications
Date Mon, 04 Mar 2013 21:31:14 GMT
Eddie Epstein created UIMA-2712:
-----------------------------------

             Summary: TypsSystemImpl:getNumberOfTypes() causes deadlocks in multithreaded
applications
                 Key: UIMA-2712
                 URL: https://issues.apache.org/jira/browse/UIMA-2712
             Project: UIMA
          Issue Type: Bug
          Components: Core Java Framework
            Reporter: Eddie Epstein
            Assignee: Eddie Epstein


typeNameST.size() uses Vector as an underlying implementation. Vector is synchronized and
we observe deadlocks associated with this code. Caching the value when the Type system is
committed fixes the problem.

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