[KUDU-2588] Test_KUDU_1735 scenario of RaftConsensusParamReplicationModesITest is flaky

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.0, 1.8.0, 1.7.1
• Fix Version/s: 1.9.0
• Component/s: test
• Code Review: https://gerrit.cloudera.org/#/c/11981/
• Assignee: Unassigned
• Reporter: Alexey Serbin
• Created: 24/Sep/18 20:33
• Updated: 03/Jan/19 03:44
• Resolved: 03/Jan/19 03:44

Description

The Test_KUDU_1735/1 scenario of the RaftConsensusParamReplicationModesITest is flaky. Time to time it fails with errors:

/data/8/aserbin/Projects/kudu/src/kudu/integration-tests/raft_consensus-itest.cc:2538: Failure
Failed                                                                          
Bad status: Network error: Client connection negotiation failed: client connection to 127.6.231.130:42299: connect: Connection refused (error 111)
/data/8/aserbin/Projects/kudu/src/kudu/util/test_util.cc:323: Failure           
Failed                                                                          
Timed out waiting for assertion to pass.

/data/8/aserbin/Projects/kudu/src/kudu/integration-tests/raft_consensus-itest.cc:2493: Failure
Failed                                                                          
Bad status: Illegal state: Leader has not yet committed an operation in its own term

The full log of the failed test scenario attached (corresponds to the first error message snippet).