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Posted to dev@oozie.apache.org by "Shwetha G S (JIRA)" <ji...@apache.org> on 2015/05/18 09:12:41 UTC
[jira] [Updated] (OOZIE-2104) oozie server dies on startup if
oozie-site redefines ActionExecutor classes
[ https://issues.apache.org/jira/browse/OOZIE-2104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shwetha G S updated OOZIE-2104:
-------------------------------
Fix Version/s: (was: trunk)
4.2
> oozie server dies on startup if oozie-site redefines ActionExecutor classes
> ---------------------------------------------------------------------------
>
> Key: OOZIE-2104
> URL: https://issues.apache.org/jira/browse/OOZIE-2104
> Project: Oozie
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Blocker
> Fix For: 4.2
>
> Attachments: OOZIE-2104.patch
>
>
> OOZIE-1890 moved everything out of oozie-site; this includes the ActionExecutor config properties ({{oozie.service.ActionService.executor.classes}} and {{oozie.service.ActionService.executor.ext.classes}}).
> Because these were previously defined in ooze-site, if the user re-uses their oozie-site after upgrading to an version of Oozie with OOZIE-1890, then Oozie will die on startup with:
> {noformat}
> 2014-12-29 20:15:04,077 FATAL Services:514 - SERVER[p0106.sjc.cloudera.com] E0150: Actionexecutor type already registered [email]
> org.apache.oozie.service.ServiceException: E0150: Actionexecutor type already registered [email]
> at org.apache.oozie.service.ActionService.register(ActionService.java:92)
> at org.apache.oozie.service.ActionService.registerExecutors(ActionService.java:72)
> at org.apache.oozie.service.ActionService.init(ActionService.java:66)
> at org.apache.oozie.service.Services.setServiceInternal(Services.java:386)
> at org.apache.oozie.service.Services.setService(Services.java:372)
> at org.apache.oozie.service.Services.loadServices(Services.java:305)
> at org.apache.oozie.service.Services.init(Services.java:213)
> at org.apache.oozie.servlet.ServicesLoader.contextInitialized(ServicesLoader.java:46)
> at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4210)
> at org.apache.catalina.core.StandardContext.start(StandardContext.java:4709)
> ...
> ...
> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> 2014-12-29 20:15:04,126 INFO Services:520 - SERVER[p0106.sjc.cloudera.com] Shutdown
> {noformat}
> The problem is that Oozie currently doesn't allow an ActionExecutor type to be redefined once defined. We should change this so that Oozie uses whichever is defined last (doesn't matter if it's redefined as the same or different implementation). This will also allow the ext property to override the regular property.
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