Current URL /web/guest/HTML generates exception: null in Liferay 6.0.6

StackOverflow https://stackoverflow.com/questions/16876101

Question

I develop an example of Struts2 with Jasper Reports and every thing work fine. In my index.jsp I have

index.jsp:

<body>
  <a href="HTML.action" target="_blank" >click to generate pdf report</a>
</body>

struts.xml:

<struts>
  <package name="default" extends="struts-default,jasperreports-default">
    <action name="HTML" class="com.tutorialspoint.DataBeanList" method="exporte">
      <result name="success">/index.jsp</result>
    </action>
  </package>
</struts>

but when I want to do that with Liferay 6.0.6 I got this error: 

INFO [PortalImpl:3829] Current URL /web/guest/HTML.action generates exception: null

In my struts.xml I have:

<!-- Action pour générer un rapport pdf -->

<package namespace="/reporting" extends="struts-portlet-default,json-default,jasperreports-default" name="reportingview"> 
  <action name="HTML" class="com.xxxxxx.struts2.actions.genererQPpdf" method="exporte">
    <result name="success">/JSPs/reporting/resultQP.jsp</result> 
  </action> 
</package>

so any one can help me.

Was it helpful?

Solution

Better use the struts tags to exclude errors in the code. For example url tag could be used to construct the correct link that point to the action.

<a href="<s:url namespace="/reporting" action="HTML"/>" target="_blank" >click to generate pdf report</a>
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