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https://issues.apache.org/jira/browse/WW-3590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13006389#comment-13006389
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Raigedas commented on WW-3590:
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hello,
it is not anything wrong with PrefixBasedActionMapper. but it is not enought.
ActionMapper only determines mapping between request and action (that is -
creates a ActionMapping object). but regardless of what action has been found,
rest plugin still provides the same execution mechanism. the configuration
found in rest plugin (struts-plugn.xml file) confirms this:
<bean type="com.opensymphony.xwork2.ActionProxyFactory" name="rest"
class="org.apache.struts2.rest.RestActionProxyFactory"/>
<constant name="struts.actionProxyFactory" value="rest"/>
my solution checks the namespace first, then:
* either allows execution in the rest-plugin-way
* or provides default execution mechanism by calling super method.
> REST service actions and "normal" actions in the same web application (patch)
> -----------------------------------------------------------------------------
>
> Key: WW-3590
> URL: https://issues.apache.org/jira/browse/WW-3590
> Project: Struts 2
> Issue Type: Improvement
> Components: Plugin - REST
> Affects Versions: 2.2.1.1
> Environment: N/A
> Reporter: Raigedas
> Priority: Minor
> Labels: namespaces, patch, rest
> Fix For: 2.2.2
>
> Attachments: rest namespace patch.txt
>
> Original Estimate: 10m
> Remaining Estimate: 10m
>
> Problem.
> i would like to expand my existing webapp by adding RESTful ws. i do not want
> to create a separate webapp which would serve solely as web service.
> but as soon as i add REST plugin to th classpath of my struts2 based webapp,
> all actions (which worked correctly before) stop working and i get errors:
> java.lang.NoSuchMethodException <...> MyActionName.index().
> i thought that it could be solved by reconfiguring "ActionMapper"s. i
> configured that in this way:
> <constant name="struts.mapper.class"
>
> value="org.apache.struts2.dispatcher.mapper.PrefixBasedActionMapper"/>
> <constant name="struts.mapper.prefixMapping" value="/ws/rest:rest,:struts"/>
> but this does not solves the problem. "normal" actions throw "Cannot handle
> CGLIB enhanced proxies with multiple callbacks"..
> Solution.
> i suggest to implement conditional enabling (based on the namespace of the
> request) of the REST plugin. this can be done by changing
> RestActionProxyFactory class a little bit. my solution (see the patch) adds a
> "namespace" property (with setter only). that property has default value or
> can have injected a config value named "struts.rest.namespace". the default
> value is "/" which means that after update the functionality of the plugin
> will remain the same unless one adds a config like:
> <constant name="struts.rest.namespace" value="/rest" />
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