[ http://issues.apache.org/jira/browse/TAPESTRY-300?page=all ]
Brian K. Wallace updated TAPESTRY-300:
--------------------------------------
Fix Version: 3.0.5
Assign To: Brian K. Wallace
> Bug in external jsp tag
> -----------------------
>
> Key: TAPESTRY-300
> URL: http://issues.apache.org/jira/browse/TAPESTRY-300
> Project: Tapestry
> Type: Bug
> Components: Web
> Versions: 3.0.3, 3.0
> Reporter: Greg Lappen
> Assignee: Brian K. Wallace
> Fix For: 3.0.5
> Attachments: TAPESTRY-300-branch-3.0.patch
>
> I am using Tapestry for some new pages in my admin section. I have other
> pages that are jsps that I want to have contain links to Tapestry pages. I
> used the "page" tag and it worked great. I need to pass a service parameter
> to one page so I tried using the external tag and made my page implement
> IExternalPage. To pass the parameter, which is an object ID, as an int and
> not a string, I tried using the "parameters" parameter in the external tag
> like this:
> <tapestry:external page="AdViewer"
> parameters="ognl:getAttribute(\"nlAd\").id"><%=nlAd.getId()%></tapestry:external>
> This gave me the following error:
> javax.servlet.jsp.JspException: Unable to evaluate OGNL expression
> 'etAttribute("nlAd").id': Unable to read expression '<parsed expression>' of
> [EMAIL PROTECTED]
> at
> org.apache.tapestry.jsp.AbstractTapestryTag.evaluateExpression(AbstractTapestryTag.java:156)
> at
> org.apache.tapestry.jsp.AbstractTapestryTag.convertExpression(AbstractTapestryTag.java:135)
> at
> org.apache.tapestry.jsp.AbstractTapestryTag.convertParameters(AbstractTapestryTag.java:127)
> at
> org.apache.tapestry.jsp.AbstractTapestryTag.constructExternalServiceParameters(AbstractTapestryTag.java:81)
> at
> org.apache.tapestry.jsp.ExternalTag.getURLRetriever(ExternalTag.java:38)
> at
> org.apache.tapestry.jsp.AbstractLinkTag.doStartTag(AbstractLinkTag.java:105)
> Notice the ognl expression in the error message is missing the 'g' in the
> beginning. When I added an extra character like this:
> <tapestry:external page="AdViewer"
> parameters="ognl:ggetAttribute(\"nlAd\").id"><%=nlAd.getId()%></tapestry:external>
> it worked. The tag is stripping the ognl: off the expression improperly,
> losing the first character. I tested with 3.0.3 also (it was high time I
> upgraded!) and it still did the same thing.
> Greg
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