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List:       struts-dev
Subject:    [jira] Assigned: (WW-2465) Dynamic trees in the dojo plugin causes
From:       "Rainer Hermanns (JIRA)" <jira () apache ! org>
Date:       2008-03-31 8:12:58
Message-ID: 558975980.1206951178937.JavaMail.jira () brutus
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     [ https://issues.apache.org/struts/browse/WW-2465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Rainer Hermanns reassigned WW-2465:
-----------------------------------

    Assignee: Rainer Hermanns

> Dynamic trees in the dojo plugin causes a freemarker error if the child property \
>                 returns null
> ---------------------------------------------------------------------------------------------
>  
> Key: WW-2465
> URL: https://issues.apache.org/struts/browse/WW-2465
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - Dojo Tags
> Affects Versions: 2.1.1
> Reporter: Al Sutton
> Assignee: Rainer Hermanns
> Fix For: 2.1.1
> 
> Attachments: dojo_dynamic_tree_null_children_fix.patch
> 
> 
> If the property specified in the childProperty for an s:tree returned a null the \
> following freemarker error occurs; Expression \
> stack.findValue(parameters.childCollectionProperty.toString()) is  undefined on \
> line 24, column 8 in template/ajax/treenode-include.ftl. The problematic \
>                 instruction:
> ----------
> ==> list stack.findValue(parameters.childCollectionProperty.toString()) as child \
> [on line 24, column 1 in template/ajax/treenode-include.ftl] in include \
> "/${parameters.templateDir}/ajax/treenode-include.ftl" [on line 26, column 5 in \
> template/ajax/treenode-include.ftl] in include \
> "/${parameters.templateDir}/ajax/treenode-include.ftl" [on line 26, column 5 in \
> template/ajax/treenode-include.ftl] in include \
> "/${parameters.templateDir}/ajax/treenode-include.ftl" [on line 124, column 5 in \
>                 template/ajax/tree.ftl]
> ----------
> The attached patch fixes this problem by using a empty list as the default if a \
> null is returned.

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