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From "Balu Vellanki (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (FALCON-2023) Feed eviction fails when feed locations "stats" and "meta" does not have time pattern.
Date Mon, 13 Jun 2016 22:21:03 GMT

     [ https://issues.apache.org/jira/browse/FALCON-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Balu Vellanki resolved FALCON-2023.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: trunk

Issue resolved by pull request 182
[https://github.com/apache/falcon/pull/182]

> Feed eviction fails when feed locations "stats" and "meta" does not have time pattern.
> --------------------------------------------------------------------------------------
>
>                 Key: FALCON-2023
>                 URL: https://issues.apache.org/jira/browse/FALCON-2023
>             Project: Falcon
>          Issue Type: Bug
>          Components: feed
>    Affects Versions: 0.9
>            Reporter: Balu Vellanki
>            Assignee: Venkatesan Ramachandran
>            Priority: Blocker
>             Fix For: trunk, 0.10
>
>
> Submit a feed 
> {code}
> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
> <feed name="rawEmailFeed" description="Raw customer email feed" xmlns="uri:falcon:feed:0.1">
>     <tags>externalSystem=USWestEmailServers</tags>
>     <groups>churnAnalysisDataPipeline</groups>
>     <frequency>hours(1)</frequency>
>     <timezone>UTC</timezone>
>     <late-arrival cut-off="hours(1)"/>
>     <clusters>
>         <cluster name="primaryCluster" type="source">
>             <validity start="2015-10-30T01:00Z" end="2015-10-30T10:00Z"/>
>             <retention limit="days(90)" action="delete"/>
>         </cluster>
>     </clusters>
>     <locations>
>         <location type="data" path="/user/ambari-qa/falcon/demo/primary/input/enron/${YEAR}-${MONTH}-${DAY}-${HOUR}"/>
>         <location type="stats" path="/tmp"/>
>         <location type="meta" path="/tmp"/>
>     </locations>
>     <ACL owner="ambari-qa" group="users" permission="0x755"/>
>     <schema location="/none" provider="/none"/>
> </feed>
> {code}
> Notice how "stats" and "meta" does not have time pattern. Both stats and meta location
are optional, and if they dont have timed pattern - it should not lead to failure in feed
eviction.  But feed eviction fails with following error.
> {code}
> Caused by: org.apache.falcon.FalconException: Couldn't evict feed from fileSystem
> 	at org.apache.falcon.entity.FileSystemStorage.evict(FileSystemStorage.java:306)
> 	at org.apache.falcon.retention.FeedEvictor.run(FeedEvictor.java:76)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> 	at org.apache.falcon.retention.FeedEvictor.main(FeedEvictor.java:52)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:497)
> 	at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:56)
> 	... 15 more
> Caused by: java.io.IOException: Unable to resolve pattern for feedPath: /tmp
> 	at org.apache.falcon.entity.FeedHelper.getFeedBasePath(FeedHelper.java:442)
> 	at org.apache.falcon.entity.FileSystemStorage.fileSystemEvictor(FileSystemStorage.java:331)
> 	at org.apache.falcon.entity.FileSystemStorage.evict(FileSystemStorage.java:300)
> 	... 23 more
> {code}



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