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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2018/05/15 06:29:58 UTC

[GitHub] wu-sheng commented on issue #1229: Segment buffer pre read failure

wu-sheng commented on issue #1229: Segment buffer pre read failure
URL: https://github.com/apache/incubator-skywalking/issues/1229#issuecomment-389057553
 
 
   > org.apache.skywalking.apm.collector.core.UnexpectedException: Received an instance heart beat message under instance id= 9 , which doesn't exist.
   
   Agent is still running in old context. Instance ID and many other IDs are cached in agent sides. 
   
   So my suggestion is, if you want to upgrade the backend or clear all data, make sure all agents shut down.

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