The context should never be null, is any other tag working for you
(ajax or non ajax)
musachy
On 9/20/07, Engelking, Nicholas <[EMAIL PROTECTED]> wrote:
> Hi. I have built Struts 2 from the head a few days ago. I am trying to move
> my ajax code over to the new dojo plugin, but it doesn't seem to work for me.
> The examples in the showcase do work, however I get an error when I try to
> add the functionality to my own site.
>
> The error seems to be present for the rendering of dojo tags. For a closing
> tree tag:
>
> 2007-09-20 11:25:02,927 ERROR
> (org.apache.struts2.components.ClosingUIBean:60) - Could not open template
> SEVERE: Servlet.service() for servlet jsp threw exception
> java.lang.NullPointerException
> at
> org.apache.struts2.dojo.components.Tree.evaluateExtraParams(Tree.java:270)
> at
> org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:828)
> at org.apache.struts2.components.UIBean.end(UIBean.java:493)
> at
> org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:41)
> etc.
>
> I have added the new struts core jar, the dojo plugin jar, and the new xwork
> jar to my lib directory. I peeked at the stack. In the tree case the line
>
> 270 boolean generateId =
> !(Boolean)stack.getContext().get(Head.PARSE_CONTENT);
>
> In Tree causes the error. stack.getContext() is an empty map and the attempt
> to cast the null result of the lookup to a Boolean and negate it throws the
> exception. Presumably the wrong context is being returned, or perhaps The
> wrong stack was passed to the bean. The jsp snippit that is causing the error
> is
>
> ...
> <%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
> ...
> <head>
> <jsp:include page="/ajax/commonInclude.jsp"/>
> </head>
> ...
>
> <sx:tree rootNode="%{root}"
> childCollectionProperty="directories"
> nodeIdProperty="id"
>
> nodeTitleProperty="name"treeSelectedTopic="nodeSelected">
> </sx:tree>
> ...
>
> What must I do to get dojo working? Am I missing something configuration
> wise? The examples work for me. Is there somewhere I have to enable or
> configure the dojo plugin?
>
> Thanks
>
> - Nick Engelking
>
>
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