[ http://issues.apache.org/jira/browse/COCOON-1742?page=all ]
Ralph Goers closed COCOON-1742:
-------------------------------
Fix Version: 2.2-dev (Current SVN)
2.1.10-dev (current SVN)
Resolution: Fixed
EncodeURLTransformer has been modified to use JDK 1.4 regular expressions. The
modification was released in 2.1.9 but that fix was in error (the error can be
circumvented by manually configuring the transformer with expressions that end
with wildcards to match the end of the string). The final fix is in 2.1.10 and
in trunk. The fix is only available in 2.1.10 when compiling with JDK 1.4. JDK
1.3 will still use the old version of the EncodeURLTransformer.
> EncodeURLTransformer can get a StackOverflow in jakarta regexp
> --------------------------------------------------------------
>
> Key: COCOON-1742
> URL: http://issues.apache.org/jira/browse/COCOON-1742
> Project: Cocoon
> Type: Bug
> Components: * Cocoon Core
> Versions: 2.1.8, 2.2-dev (Current SVN)
> Reporter: Ralph Goers
> Assignee: Ralph Goers
> Fix For: 2.2-dev (Current SVN), 2.1.10-dev (current SVN)
>
> EncodeURLTransformer uses jakarta regexp and calls RE.match(). This method
> ends up calling matchNode() which recursively calls itself. This is slow and
> has the potential of causing a StackOverFlowException .Numerous issues have
> been opened on jakarta regexp regarding this but there are no plans to
> address this. I have run tests that show that regexp is much slower than the
> JDK regular expressions and also slower than ORO.
> The fix for this will be to modify the EncodeURLTransformer in 2.2-dev to use
> the JDK regular expressions. Since the JDK regular expressions are only
> available in JDK 1.4 they cannot directly be used in the 2.1 branch. Most
> likely Oro will be used instead.
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