[jira] Commented: (WW-2688) Ignore parameters that start with 'struts.'

["Martin Gainty (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/struts/browse/WW-2688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45700#action_45700 ] 

Martin Gainty commented on WW-2688:
-----------------------------------

this is still a problem with struts2-showcase-2.1.2 example.. here is the output from TOMCAT

expr: struts.enableJSONValidation val: [Ljava.lang.String;@eb9f58 context: ognl.
OgnlContext@21989cef root:[org.apache.struts2.showcase.ajax.AjaxTestAction@1e5ed
7b, com.opensymphony.xwork2.DefaultTextProvider@a8e2b8] value: [Ljava.lang.Strin
g;@eb9f58
[ERROR] ParametersInterceptor - ParametersInterceptor - [setParameters]: Unexpec
ted Exception caught setting 'struts.enableJSONValidation' on 'class org.apache.
struts2.showcase.ajax.AjaxTestAction: Error setting expression 'struts.enableJSO
NValidation' with value '[Ljava.lang.String;@eb9f58'
[WARN] OgnlValueStack - Could not find property [org.apache.catalina.jsp_file]

it would be a great idea not to use OGNL to reference this parameter but as a startup paramater
for Struts in web.xml:
    <filter>
        <filter-name>struts</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
        <init-param>
        	<param-name>struts.enableJSONValidation</param-name>
        	<param-value>true</param-value>
        </init-param>
        <init-param>
        	<param-name>actionPackages</param-name>
        	<param-value>org.apache.struts2.showcase.person</param-value>
        </init-param>
    </filter>

(BTW the actionPackages parameter works for actionPackages so the suggestion for struts.enableJSONValidation would work as well)
Can we try this for org.apache.catalina.jsp_file?
Can we try this for template?

Thanks
Martin














> Ignore parameters that start with 'struts.'
> -------------------------------------------
>
>                 Key: WW-2688
>                 URL: https://issues.apache.org/struts/browse/WW-2688
>             Project: Struts 2
>          Issue Type: Improvement
>    Affects Versions: 2.1.3
>            Reporter: Musachy Barroso
>             Fix For: 2.1.3
>
>
> Parameters used internally by struts, like "struts.enableJSONValidation" should be ignored by the 'params' interceptor, so no exception/warn is logged. A new regular expression will be added to that interceptor:
> ^struts\..*
> as well as:
> dojo\..*
> which is already there in some interceptor stacks.

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