[jira] [Created] (WW-4115) Wasted work in ValidateVisitor.getJspAttribute()

["Adrian Nistor (JIRA)" <ji...@apache.org>]

Adrian Nistor created WW-4115:
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             Summary: Wasted work in ValidateVisitor.getJspAttribute()
                 Key: WW-4115
                 URL: https://issues.apache.org/jira/browse/WW-4115
             Project: Struts 2
          Issue Type: Bug
    Affects Versions: 2.3.14.3
         Environment: any
            Reporter: Adrian Nistor


The problem appears in version 2.3.14.3 and in revision 1493157.  I
attached a one-line patch that fixes it.

In method "ValidateVisitor.getJspAttribute", the loop over
"el.iterator()" should break immediately after "deferred" is set to
"true".  All the iterations after "deferred" is set to "true" do not
perform any useful work, at best they just set "deferred" again to
"true".

Method "evaluateExtraParams" in class "ActionError" has a similar loop
(over "actionMessages"), and this loop breaks immediately after
"isEmptyList" is set to "false", just like in the proposed patch.
Other methods (e.g., "DebuggingInterceptor.printContext",
"FileUploadInterceptor.isNonEmpty", "CollectVisitor.checkSeen",
"JspDocumentParser.processChars") also have similar loops with similar
breaks, just like in the proposed patch.

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