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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-1658) RaftRetryFailureException & AlreadyClosedException should not exclude pipeline from client
Date Fri, 07 Jun 2019 03:28:00 GMT
Mukul Kumar Singh created HDDS-1658:
---------------------------------------

             Summary: RaftRetryFailureException & AlreadyClosedException should not exclude
pipeline from client
                 Key: HDDS-1658
                 URL: https://issues.apache.org/jira/browse/HDDS-1658
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Client
    Affects Versions: 0.4.0
            Reporter: Mukul Kumar Singh


This problem can be seen at https://builds.apache.org/job/hadoop-multibranch/job/PR-846/6/testReport/org.apache.hadoop.ozone.client.rpc/TestBCSID/testBCSID/.

As seen here, after a RaftRetryFailureException, the pipeline is excluded from the pipeline
and that leads to SCM create a new pipeline. Creation of a new pipeline might not be possible
in a test cluster because of limited number of nodes.

{code}
2019-06-06 22:29:23,311 WARN  KeyOutputStream - Encountered exception java.io.IOException:
Unexpected Storage Container Exception: java.util.concurrent.CompletionException: java.util.concurrent.CompletionException:
org.apache.ratis.protocol.RaftRetryFailureException: Failed RaftClientRequest:client-AD0A1CB44582->73f367e6-7f91-4409-b4d3-b831e0bfb585@group-31FAD62742D6,
cid=1, seq=1*, RW, org.apache.hadoop.hdds.scm.XceiverClientRatis$$Lambda$313/1466662004@60d08041
for 180 attempts with RetryLimited(maxAttempts=180, sleepTime=1000ms) on the pipeline Pipeline[
Id: 27d23af1-7180-42f5-b3c7-31fad62742d6, Nodes: 73f367e6-7f91-4409-b4d3-b831e0bfb585{ip:
172.17.0.2, host: 5e847226af57, networkLocation: /default-rack, certSerialId: null}, Type:RATIS,
Factor:ONE, State:OPEN]. The last committed block length is 0, uncommitted data length is
5 retry count 0
2019-06-06 22:29:23,343 WARN  BlockManagerImpl - Pipeline creation failed for type:RATIS factor:ONE.
Retrying get pipelines call once.
org.apache.hadoop.hdds.scm.pipeline.InsufficientDatanodesException: Cannot create pipeline
of factor 1 using 0 nodes.
	at org.apache.hadoop.hdds.scm.pipeline.RatisPipelineProvider.create(RatisPipelineProvider.java:151)
	at org.apache.hadoop.hdds.scm.pipeline.PipelineFactory.create(PipelineFactory.java:57)
	at org.apache.hadoop.hdds.scm.pipeline.SCMPipelineManager.createPipeline(SCMPipelineManager.java:149)
	at org.apache.hadoop.hdds.scm.block.BlockManagerImpl.allocateBlock(BlockManagerImpl.java:190)
	at org.apache.hadoop.hdds.scm.server.SCMBlockProtocolServer.allocateBlock(SCMBlockProtocolServer.java:172)
	at org.apache.hadoop.ozone.protocolPB.ScmBlockLocationProtocolServerSideTranslatorPB.allocateScmBlock(ScmBlockLocationProtocolServerSideTranslatorPB.java:82)
	at 
{code}



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