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Posted to dev@bval.apache.org by "John Myers (JIRA)" <ji...@apache.org> on 2019/04/22 19:32:00 UTC

[jira] [Created] (BVAL-173) Unsafe double-checked locking

John Myers created BVAL-173:
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             Summary: Unsafe double-checked locking
                 Key: BVAL-173
                 URL: https://issues.apache.org/jira/browse/BVAL-173
             Project: BVal
          Issue Type: Bug
            Reporter: John Myers


The methods org.apache.bval.util.Lazy.get() and org.apache.bval.util.LazyInt.getAsInt() both use unsafe double-checked locking. In both cases, the fact that init is volatile does not, under the Java Memory Model, prevent an incompletely initialized value from being returned from the function.

 



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