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Posted to dev@tomcat.apache.org by bu...@apache.org on 2015/01/11 20:26:50 UTC

[Bug 57433] New: Double-check locking in ExpressionEvaluatorManager

https://issues.apache.org/bugzilla/show_bug.cgi?id=57433

            Bug ID: 57433
           Summary: Double-check locking in ExpressionEvaluatorManager
           Product: Taglibs
           Version: 1.2.1
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Standard Taglib
          Assignee: dev@tomcat.apache.org
          Reporter: jboynes@apache.org

http://svn.apache.org/viewvc/tomcat/taglibs/standard/tags/taglibs-standard-1.2.1/jstlel/src/main/java/org/apache/taglibs/standard/lang/support/ExpressionEvaluatorManager.java?view=markup#l103

The default implementation, org.apache.taglibs.standard.lang.jstl.Evaluator,
does not have any instance fields so we may not see issues in the wild. The
taglibs code specifies a constant value for the name so it will always use that
implementation. However, other implementations stored in the cache may not be
safe.

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[Bug 57433] Double-check locking in ExpressionEvaluatorManager

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=57433

Jeremy Boynes <jb...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |25967

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[Bug 57433] Double-check locking in ExpressionEvaluatorManager

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=57433

Jeremy Boynes <jb...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Jeremy Boynes <jb...@apache.org> ---
Fixed in http://svn.apache.org/r1650974

As our code always uses our implementation, use a single instance of that.

Deprecate the public method that provides access to the cache in anticipation
of removal in a future major version.

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