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From "Stuart Harper (JIRA)" <>
Subject [jira] [Created] (WW-5028) Dispatcher prints stacktraces directly to the console
Date Tue, 02 Apr 2019 14:55:00 GMT
Stuart Harper created WW-5028:

             Summary: Dispatcher prints stacktraces directly to the console
                 Key: WW-5028
             Project: Struts 2
          Issue Type: Bug
          Components: Dispatch Filter
    Affects Versions: 2.5.18
            Reporter: Stuart Harper

After upgrading from Struts 2.3.x to 2.5.x we noticed a stack trace in our logs which was
not previously present. The error is actually quite minor and doesn't impact any functionality,
the problem is we have no ability to control its presence in our logs do the way the
prints directly to the console.

This can be seen in class org.apache.struts2.dispatcher.Dispatcher around line 586

Only after the error is printed is a check made on whether to handle it. The exception is
then rethrown.

I think it would make more sense to use the logging framework to log exceptions or otherwise
give us some control over whether this appears. As it is it's impossible to turn it off.

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