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https://issues.apache.org/struts/browse/WW-2432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Husted resolved WW-2432.
----------------------------
Resolution: Incomplete
Fix Version/s: 2.1.1
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> tag plugin - bug in stack implementation
> ----------------------------------------
>
> Key: WW-2432
> URL: https://issues.apache.org/struts/browse/WW-2432
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - Tags
> Affects Versions: 2.0.11
> Reporter: Josef Polak
> Priority: Critical
> Fix For: 2.1.1
>
>
> using 'tree' tag come with this error:
> <!-- FREEMARKER ERROR MESSAGE -->language=javascript>//"></script><script
> Expression parameters.templateDir is undefined on line 106, column 19 in
> template/ajax/tree.ftl.
> The problematic instruction:
> ----------
> ==> ${parameters.templateDir} [on line 106, column 17 in
> template/ajax/tree.ftl]
> in include "/${parameters.templateDir}/ajax/treenode-include.ftl" [on line
> 106, column 5 in template/ajax/tree.ftl]
> ----------
> After adding value 'parameters.rootNode' to stack, value in variable
> 'parameters' became from valid value to '[0]'. So i fix this, with reasign
> variable 'parameters'. But I don't understand why this happened.
> == template\ajax\tree.ftl ==
> <#elseif parameters.rootNode?exists>
> + <#assign parameters=stack.findValue("parameters") />
> ${stack.push(parameters.rootNode)}
> <#include "/${parameters.templateDir}/ajax/treenode-include.ftl" />
> <#assign oldNode = stack.pop()/> <#-- pop the node off of the stack, but
> don't show it -->
> </#if>
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