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https://issues.apache.org/jira/browse/OOZIE-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14991910#comment-14991910
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Srikanth Sundarrajan commented on OOZIE-2259:
---------------------------------------------

My bad. I was under the impression separation of the thread pool is already in 
this. I know we discussed this, but forgot that this is scoped in another JIRA. 
[~puru], like I mentioned, I am in total agreement with the concern you had 
raised (that is why isolation of the thread pool is necessary). if this jira 
gets in, we need to follow that up OOZIE-2231 soon enough.

> Create a callback action 
> -------------------------
>
>                 Key: OOZIE-2259
>                 URL: https://issues.apache.org/jira/browse/OOZIE-2259
>             Project: Oozie
>          Issue Type: New Feature
>          Components: action
>            Reporter: Jaydeep Vishwakarma
>            Assignee: Jaydeep Vishwakarma
>         Attachments: OOZIE-2259-v1.patch, OOZIE-2259-v3.patch, 
> OOZIE-2259-v4.patch, OOZIE-2259-v5.patch
>
>
> Need an action to send notification to external server by oozie. We should be 
> able to do multiple types of callback, Currently I know jms and http call. It 
> should suppose to have capability to call diffrent types of methods along 
> with n number of arguments. 
> The sample workflow with callback action 
> {code:xml}
> <workflow-app name="[WF-DEF-NAME]" xmlns="uri:oozie:workflow:0.3">
> ...
> <action name="[NODE-NAME]">
> <callback>
>       <host>[HOST]</host>
>       <method>[METHOD]</command>
>       <arg>
>               <key>[KEY]</key><value>[VALUE]</value>
>       <arg>
>             ...
> </action>
> ...
> </callback>
> ...
> </workflow-app>
> {code}
> HOST : by the host system can figure out if it is http or jms callback 
> action. System will send the notification to that host.
> METHOD : it can be POST/GET/QUEUE/TOPIC



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