Re: RichFaces problem on nuxeo tree]

You're right, the DefaultDocumentTreeSorter class should be available  
on the core (stateful) machine when it's used to display trees.
Can you open a JIRA ticket for this please ?

Florent

On 22 Dec 2008, at 16:05, Bogdan Tatar wrote:

> Hi again,
>
> It seems that the problem is not at richfaces level as this is  
> working just fine.The method that is called to populated the tree in  
> nuxeo returns a list of DocumentTreeNode and on each node,which is a  
> DocumentTreeNodeImpl, the method getChildren() is called in order to  
> retrieve the children documents.This is done  by  making a call on  
> DocumentManagerBean
>
> public DocumentModelList getChildren(DocumentRef parent, String type,
>           String perm, Filter filter, Sorter sorter) throws  
> ClientException {
>
> The problem appears on the statefull/stateless architecture,where   
> the modules that interact with a database of any kind are kept on a  
> jboss instance and represents the statefull part of the  
> architecture, and the web modules which represent,together with the  
> corresponding api modules, the stateless architecture and are kept  
> on another jboss instances.Both filters and sorters that are used in  
> TreeManager service are registered by this service which is part of  
> a stateless modules.The classes  of these filters and sorters are  
> searched like this
>
> TreeManagerImpl.class.getClassLoader().loadClass(
>                       filterClass).newInstance();
> so the classes of these sorters and filters have to be on a same  
> module like the module where TreeManager service is,a stateless  
> module.By doing this we get into problems when calling the method  
> 'getChildren()' from a DocumentTreeNodeImpl.This method wants to use  
> the method 'getChildren' from DocumentManagerBean,but the classes of  
> the filters and sorters are not available on the statefull jboss  
> instance where the DocumentManagerBean is located and an error like  
> this is obtained
>
> Caused by: java.lang.RuntimeException:  
> java.lang.ClassNotFoundException: No ClassLoaders found for:  
> org.nuxeo.ecm.webapp.tree.DefaultDocumentTreeSorter (no security  
> manager: RMI class loader disabled)
>
> The only solution I could find was to register both the filters and  
> the sorters in an api module but I don't think this is such a good  
> solution.
> Any suggestions or help would be great.
>
> Thanks a lot !
>
>
>
> From: Bogdan Tatar <bogdan.tatar@...>
> Date: 22 December 2008 13:03:34 CEST
> To: ecm@...
> Subject: ***[spam]*** [Spam:***** SpamScore] [Ecm] RichFaces problem  
> on nuxeo tree
>
>
> Hi all,
>
> I have a little problem,I hope,with the nuxeo support offered for
> generating trees.In the statefull stateless architecture it seems  
> there
> is a problem in generating the tree,meaning that only the  root  tree
> does appear(Default domain);it  seems that the method
> changeExpandListener that should be called on expand/collapse event on
> the node is not called.
> Any help would be great.
> Thanks a lot!
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>
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--

-- 
Florent Guillaume, Head of R&D, Nuxeo
Open Source, Java EE based, Enterprise Content Management (ECM)
http://www.nuxeo.com   http://www.nuxeo.org   +33 1 40 33 79 87