[jira] [Assigned] (SAMZA-175) Bind AM Jetty server to 0

["Jakob Homan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakob Homan reassigned SAMZA-175:
---------------------------------

    Assignee: Zhijie Shen

> Bind AM Jetty server to 0
> -------------------------
>
>                 Key: SAMZA-175
>                 URL: https://issues.apache.org/jira/browse/SAMZA-175
>             Project: Samza
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 0.6.0
>            Reporter: Chris Riccomini
>            Assignee: Zhijie Shen
>              Labels: newbie
>         Attachments: SAMZA-175.1.patch, SAMZA-175.2.patch
>
>
> We currently bind YARN's AM Jetty server (both RPC and dashboard) by randomly selecting ports, then retrying if there's a port collision. It looks like Jetty supports fetching of a port after it's been bound (which we need to know, so we can report it to YARN), so we should just bind to 0 instead, and then get the port after the OS selects an open port for Jetty to use.
> Documentation here:
> http://www.eclipse.org/jetty/documentation/current/configuring-connectors.html
> Shows "port: The configured port for the connector or 0 a random available port may be used (selected port available via getLocalPort())."



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