If this is a blocker for 0.5.0 then we should cancel the current vote for
0.5.0 rc0.

On Wed, Sep 24, 2014 at 10:02 AM, Sumit Gupta (JIRA) <[email protected]>
wrote:

>
>     [
> https://issues.apache.org/jira/browse/KNOX-414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14146335#comment-14146335
> ]
>
> Sumit Gupta commented on KNOX-414:
> ----------------------------------
>
> To avoid a once in a while "why is HA not enabled" issue, this should be
> fixed for 0.5.0.
>
> > WebHDFS HA enablement in web.xml is sensitive to order of context
> listeners
> >
> ---------------------------------------------------------------------------
> >
> >                 Key: KNOX-414
> >                 URL: https://issues.apache.org/jira/browse/KNOX-414
> >             Project: Apache Knox
> >          Issue Type: Bug
> >          Components: Server
> >    Affects Versions: 0.5.0
> >            Reporter: Sumit Gupta
> >             Fix For: 0.5.0
> >
> >
> > Depending on how the web.xml gets generated, the
> HaServletContextListener may come after the
> UrlRewriteServletContextListener, in which case the provider is not
> available to the rewrite framework on initialization and HA functionality
> does not work.
> > The web.xml config that works is:
> >   <listener>
> >
>  
> <listener-class>org.apache.hadoop.gateway.services.GatewayServicesContextListener</listener-class>
> >   </listener>
> >   <listener>
> >
>  
> <listener-class>org.apache.hadoop.gateway.ha.provider.HaServletContextListener</listener-class>
> >   </listener>
> >   <context-param>
> >     <param-name>haDescriptorLocation</param-name>
> >     <param-value>/WEB-INF/ha.xml</param-value>
> >   </context-param>
> >   <listener>
> >
>  
> <listener-class>org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteServletContextListener</listener-class>
> >   </listener>
> >   <context-param>
> >     <param-name>rewriteDescriptorLocation</param-name>
> >     <param-value>/WEB-INF/rewrite.xml</param-value>
> >   </context-param>
> > but there is no guarantee in place that the web.xml will be generated as
> such.
>
>
>
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