Andrew Purtell created HBASE-19466:
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             Summary: Rare failure in TestScannerCursor
                 Key: HBASE-19466
                 URL: https://issues.apache.org/jira/browse/HBASE-19466
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.4.0
            Reporter: Andrew Purtell
            Priority: Minor
             Fix For: 1.4.1, 1.5.0


I think we just need to increase the timeout interval to deal with occasional 
slowdowns on test executors. 1998 ms is a pretty short timeout.

By the way "rpcTimetout" in the exception message is a misspelling.

[ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 37.412 
s <<< FAILURE! - in org.apache.hadoop.hbase.regionserver.TestScannerCursor
[ERROR] 
testHeartbeatWithSparseFilter(org.apache.hadoop.hbase.regionserver.TestScannerCursor)
  Time elapsed: 35.604 s  <<< ERROR!
org.apache.hadoop.hbase.client.RetriesExhaustedException: 
Failed after attempts=36, exceptions:
Thu Dec 07 22:27:16 UTC 2017, null, java.net.SocketTimeoutException: 
callTimeout=4000, callDuration=4108: Call to 
ip-172-31-47-35.us-west-2.compute.internal/172.31.47.35:35690 failed on local 
exception: org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=52, 
waitTime=2002, rpcTimetout=1998 row '' on table 'TestScannerCursor' at 
region=TestScannerCursor,,1512685598567.1d4e59215a881d6ccbd0b5b5bdec5587., 
hostname=ip-172-31-47-35.us-west-2.compute.internal,35690,1512685593244, 
seqNum=2

        at 
org.apache.hadoop.hbase.regionserver.TestScannerCursor.testHeartbeatWithSparseFilter(TestScannerCursor.java:154)
Caused by: java.net.SocketTimeoutException: callTimeout=4000, 
callDuration=4108: Call to 
ip-172-31-47-35.us-west-2.compute.internal/172.31.47.35:35690 failed on local 
exception: org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=52, 
waitTime=2002, rpcTimetout=1998 row '' on table 'TestScannerCursor' at 
region=TestScannerCursor,,1512685598567.1d4e59215a881d6ccbd0b5b5bdec5587., 
hostname=ip-172-31-47-35.us-west-2.compute.internal,35690,1512685593244, 
seqNum=2
Caused by: java.io.IOException: Call to 
ip-172-31-47-35.us-west-2.compute.internal/172.31.47.35:35690 failed on local 
exception: org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=52, 
waitTime=2002, rpcTimetout=1998
Caused by: org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=52, 
waitTime=2002, rpcTimetout=1998




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