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From "Christian Schneider (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DOSGI-59) Required service properties for autodiscovery using Zookeeper are automatically removed
Date Fri, 24 May 2013 14:34:36 GMT

     [ https://issues.apache.org/jira/browse/DOSGI-59?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christian Schneider closed DOSGI-59.
------------------------------------

    
> Required service properties for autodiscovery using Zookeeper are automatically removed

> ----------------------------------------------------------------------------------------
>
>                 Key: DOSGI-59
>                 URL: https://issues.apache.org/jira/browse/DOSGI-59
>             Project: CXF Distributed OSGi
>          Issue Type: Bug
>          Components: Discovery
>    Affects Versions: 1.1
>            Reporter: Christian Marmolejo
>            Assignee: Christian Schneider
>             Fix For: 1.3.1
>
>
> Server side: service S exported under interface X (using DOSGi 1.1)
> Client side: Zookeeper configured and running properly + ServiceTracker for interface
X trying to consume remote service
> Problem: Local framework on client side doesn't create a proxy for remote service S
> Observations: 
> - When publishing service S on server side, method OsgiUtils.flattenServiceDescription(...)
invoked by CxfPublishHook.publishEndpoint(...) removes property Constants.EXPORTED_INTERFACES
in respective ServicePublication registration. This service is published in Zookeeper server.
> - Node created correctly in Zookeeper server with every original property but without
Constants.EXPORTED_INTERFACES.
> - On client side, after starting Service Tracker, Zookeeper node is detected. In method
AbstractClientHook.processNotification(...) a property check code is executed:
> ServiceEndpointDescription sd = notification.getServiceEndpointDescription();
>         if ((sd.getProperty(Constants.EXPORTED_INTERFACES) == null) &&
>             (sd.getProperty(Constants.EXPORTED_INTERFACES_OLD) == null)) {
>             return;   //LINE ALWAYS REACHED
>         }
> //...PROXY CREATION CODE
> just before invoking proxy creation code (AbstractClientHook.proxifyMatchingInterface(...)).
This code is never reached because the Endpoint description doesn't contain either property
Constants.EXPORTED_INTERFACES or Constants.EXPORTED_INTERFACES_OLD, that were removed automatically
on server side. The proxy for service S is never created on client side. If this check code
is removed, proxy is created properly.

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