[MESOS-6949] SchedulerTest.MasterFailover is flaky

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.8.0
• Component/s: test
• Labels: flaky-test tests

Environment

Observed on:
CentOS 7 VM, libevent and SSL enabled;
Ubuntu 14.04, cmake/clang, without libevent/SSL, on ASF CI

• Sprint: Mesosphere Sprint 68, Mesos Foundation R7 Sprint 33
• Story Points: 2
• Assignee: Joseph Wu
• Reporter: Greg Mann
• Shepherd: James Peach
• Created: 19/Jan/17 00:08
• Updated: 08/Nov/18 20:10
• Resolved: 08/Nov/18 20:10

Description

This was observed in a CentOS 7 VM, with libevent and SSL enabled:

W0118 22:38:33.789465  3407 scheduler.cpp:513] Dropping SUBSCRIBE: Scheduler is in state DISCONNECTED
I0118 22:38:33.811820  3408 scheduler.cpp:361] Connected with the master at http://127.0.0.1:43211/master/api/v1/scheduler
../../src/tests/scheduler_tests.cpp:315: Failure
Mock function called more times than expected - returning directly.
    Function call: connected(0x7fff97227550)
         Expected: to be called once
           Actual: called twice - over-saturated and active

Find attached the entire log from a failed run.

Issue Links

• is blocked by: MESOS-8179 Scheduler library has incorrect assumptions about connections.