[gatein-issues] [JBoss JIRA] Commented: (GTNPORTAL-1664) NPE if portlet information cannot be retrieved

[Chris Laprun (JIRA)]

    [ https://jira.jboss.org/browse/GTNPORTAL-1664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566407#comment-12566407 ] 

Chris Laprun commented on GTNPORTAL-1664:
-----------------------------------------

I don't have a definite way to reproduce the issue but I've seen it happen with WSRP portlets when there's a problem with the remote producer. Note, though, that you shouldn't need to reproduce the issue to fix it. It's just a matter of not assuming the portletOfferedPortletContext is not null when producerOfferedPortlet is, because as mentioned in my original description, when one is null, the other most likely is as well. :)

> NPE if portlet information cannot be retrieved
> ----------------------------------------------
>
>                 Key: GTNPORTAL-1664
>                 URL: https://jira.jboss.org/browse/GTNPORTAL-1664
>             Project: GateIn Portal
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 3.1.0-GA
>            Reporter: Chris Laprun
>              Labels: portal-s43, worked
>             Fix For: 3.2.0-GA
>
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
>
> Caused by: java.lang.NullPointerException
> 	at org.exoplatform.portal.webui.application.UIPortlet.supportsPublicParam(UIPortlet.java:565)
> 	at org.exoplatform.portal.webui.application.UIPortlet.getPublicParameters(UIPortlet.java:683)
> 	at org.exoplatform.portal.webui.application.UIPortlet.create(UIPortlet.java:714)
> 	at org.exoplatform.portal.webui.application.UIPortletLifecycle.processRender(UIPortletLifecycle.java:186)
> Basically, in the following code:
> if (producedOfferedPortlet == null)
>          {
>             log.info("Could not find portlet with ID : " + producerOfferedPortletContext.getId());
>             return null;
>          }
> it's very likely that if producerOfferedPortlet is null, then the associated context is as well... hence the NPE.

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