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Posted to dev@falcon.apache.org by "Srikanth Sundarrajan (JIRA)" <ji...@apache.org> on 2014/09/02 04:13:21 UTC
[jira] [Commented] (FALCON-579) Lineage breaks if feed.xml doesn't
have the date pattern in feed path location
[ https://issues.apache.org/jira/browse/FALCON-579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14117829#comment-14117829 ]
Srikanth Sundarrajan commented on FALCON-579:
---------------------------------------------
Am hoping that his hasn't triggered FALCON-580. Please consider storing a default & constant time value for all such instances to avoid collision.
> Lineage breaks if feed.xml doesn't have the date pattern in feed path location
> ------------------------------------------------------------------------------
>
> Key: FALCON-579
> URL: https://issues.apache.org/jira/browse/FALCON-579
> Project: Falcon
> Issue Type: Sub-task
> Reporter: Sowmya Ramesh
> Assignee: Sowmya Ramesh
> Attachments: FALCON-579.patch, feed.xml
>
>
> Lineage breaks if feed.xml doesn't have the date pattern in feed path.
> {code}
> Stack trace:
> 2014-08-07 18:00:24,385 INFO - [ActiveMQ Session Task:] ~ Computing feed instance for : name=input-feed, path= hdfs://master.hortonworks.com:8020/landing/data, in cluster: KLSS (InstanceRelationshipGraphBuilder:173)
> 2014-08-07 18:00:24,389 INFO - [ActiveMQ Session Task:] ~ Error in onMessage for subscriber of topic: FALCON.ENTITY.TOPIC (FalconTopicSubscriber:136)
> java.lang.RuntimeException: java.text.ParseException: Unparseable date: ""
> at org.apache.falcon.entity.v0.SchemaHelper.formatDateUTCToISO8601(SchemaHelper.java:68)
> at org.apache.falcon.metadata.InstanceRelationshipGraphBuilder.getFileSystemFeedInstanceName(InstanceRelationshipGraphBuilder.java:230)
> at org.apache.falcon.metadata.InstanceRelationshipGraphBuilder.getFeedInstanceName(InstanceRelationshipGraphBuilder.java:203)
> at org.apache.falcon.metadata.InstanceRelationshipGraphBuilder.addFeedInstance(InstanceRelationshipGraphBuilder.java:175)
> at org.apache.falcon.metadata.InstanceRelationshipGraphBuilder.addInputFeedInstances(InstanceRelationshipGraphBuilder.java:163)
> at org.apache.falcon.metadata.MetadataMappingService.onProcessInstanceAdded(MetadataMappingService.java:284)
> at org.apache.falcon.metadata.MetadataMappingService.onSuccessfulWorkflowCompletion(MetadataMappingService.java:265)
> at org.apache.falcon.service.FalconTopicSubscriber.notifyMetadataMappingService(FalconTopicSubscriber.java:144)
> at org.apache.falcon.service.FalconTopicSubscriber.onMessage(FalconTopicSubscriber.java:129)
> at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1229)
> at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:134)
> at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:205)
> at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122)
> at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.text.ParseException: Unparseable date: ""
> at java.text.DateFormat.parse(DateFormat.java:357)
> at org.apache.falcon.entity.v0.SchemaHelper.formatDateUTCToISO8601(SchemaHelper.java:66)
> {code}
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