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From "Zhong Yanghong (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (KYLIN-947) streaming fail at fetching timestamp from kafka
Date Wed, 27 Jan 2016 11:42:39 GMT

     [ https://issues.apache.org/jira/browse/KYLIN-947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhong Yanghong reassigned KYLIN-947:
------------------------------------

    Assignee: Zhong Yanghong  (was: Dong Li)

> streaming fail at fetching timestamp from kafka
> -----------------------------------------------
>
>                 Key: KYLIN-947
>                 URL: https://issues.apache.org/jira/browse/KYLIN-947
>             Project: Kylin
>          Issue Type: Bug
>    Affects Versions: v2.0
>            Reporter: hongbin ma
>            Assignee: Zhong Yanghong
>
> It seems kafka is failing to fetch a offset that is exactly between startoffset and endoffset,
which should not happen at all
> 15/08/13 21:25:21 INFO streaming.StreamingUtil: topic: Trkng.druid-sessionEvent, partitionId:
1, try to find closest offset with timestamp: 1439498100000 between offset {4476901430, 4479189591}
> 15/08/13 21:26:25 ERROR streaming.StreamingBootstrap: fail to get start offset partitionId:
1, target timestamp: 1439498100000
> java.lang.IllegalStateException: try to get timestamp of topic:XXXX, partitionId: 1,
offset: 4478045510, failed to get StreamMessage from kafka
>         at org.apache.kylin.streaming.StreamingUtil.getKafkaMessage(StreamingUtil.java:72)
>         at org.apache.kylin.streaming.StreamingUtil.getDataTimestamp(StreamingUtil.java:135)
>         at org.apache.kylin.streaming.StreamingUtil.getDataTimestamp(StreamingUtil.java:127)
>         at org.apache.kylin.streaming.StreamingUtil.binarySearch(StreamingUtil.java:100)
>         at org.apache.kylin.streaming.StreamingUtil.findClosestOffsetWithDataTimestamp(StreamingUtil.java:80)
>         at org.apache.kylin.job.streaming.StreamingBootstrap$4.run(StreamingBootstrap.java:265)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)



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