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From "Wil Evers (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CXF-7184) Double checked locking in PolicyEngineImpl.java
Date Thu, 15 Dec 2016 15:51:58 GMT
Wil Evers created CXF-7184:
------------------------------

             Summary: Double checked locking in PolicyEngineImpl.java
                 Key: CXF-7184
                 URL: https://issues.apache.org/jira/browse/CXF-7184
             Project: CXF
          Issue Type: Bug
          Components: JAX-WS Runtime
    Affects Versions: 3.1.8, 3.2.0, 3.1.10, 3.0.13
            Reporter: Wil Evers


Method createEndpointPolicyInfo() in rt/ws/policy/src/main/java/org/apache/cxf/ws/policy/PolicyEngineImpl.java
contains a classic instance of the double checked locking pattern, which may cause an object
to become visible to a different thread in a partially initialized state.

Please see The "Double-Checked Locking is Broken" Declaration (https://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html)
to understand why this happens. A quick Google search should return several possible solutions.



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