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Posted to dev@falcon.apache.org by "Balu Vellanki (JIRA)" <ji...@apache.org> on 2016/06/13 22:21:03 UTC
[jira] [Resolved] (FALCON-2023) Feed eviction fails when feed
locations "stats" and "meta" does not have time pattern.
[ 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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