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https://issues.apache.org/struts/browse/WW-2713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Holmes updated WW-2713:
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Fix Version/s: 2.1.3
> ParametersInterceptor: IndexOutOfBoundsException while logging parameters
> -------------------------------------------------------------------------
>
> Key: WW-2713
> URL: https://issues.apache.org/struts/browse/WW-2713
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.0.11.1
> Environment: Struts 2.0.11.1, Eclipse, Unit Test
> Reporter: Eduard Papa
> Priority: Minor
> Fix For: 2.1.3
>
>
> I had written a unit test which was running successfully until I turned on
> DEBUG level in log4j. This caused the unit test to fail and I tracked down
> the problem to the ParametersInterceptor, line 241 in xwork-2.0.4.jar:
> logEntry.append(String.valueOf(valueArray[valueArray.length - 1]));
> The value array there can be empty (0-length) and that line will try to
> access valueArray[-1] which causes the exception.
> I don't know if the user can submit input that would result in a request
> parameter with an empty array, so this might not be an issue in production
> applications, but I think it should be fixed for the sake of making the
> ParametersInterceptor more robust, in case anyone wants to test request
> parameters with empty arrays.
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