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From "Shawn Andrews (JIRA)" <>
Subject [jira] [Created] (WW-4137) Parameter warnings being generated in logs after 2.3.7 in portlet
Date Wed, 10 Jul 2013 13:49:48 GMT
Shawn Andrews created WW-4137:

             Summary: Parameter warnings being generated in logs after 2.3.7 in portlet
                 Key: WW-4137
             Project: Struts 2
          Issue Type: Bug
    Affects Versions: 2.3.15,,,, 2.3.14, 2.3.12, 2.3.8, 2.3.7
         Environment: liferay portal running in tomcat
            Reporter: Shawn Andrews
            Priority: Minor

I tried to migrate some portlets from 2.3.4  to 2.3.7 (actually to 2.3.15 but have found that
the problem starts in 2.3.7)
What happens is there is now a warning in the logs whenever I execute an action.

09:33:35,327 WARN  [OgnlValueStack:60] Error setting expression 'struts.portlet.action' with
value '[Ljava.lang.String;@78f28bba'
ognl.OgnlException: source is null for getProperty(null, "portlet")

It seems that in older versions of struts portlet plugin this parameter use to be taken out,
 since I believe it is used by struts2 to know what action to execute, but should maybe not
be stored in the OGNL stack.   My guess is that this has to do with no field called 'portlet'
 with property 'action' in my action class existing to place the expression.

In version and previous this was not an issue. Maybe the portlet interceptor was taking
this parameters out before it was placed into OGNL, and now it is being left?

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