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https://issues.apache.org/jira/browse/MESOS-2134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218373#comment-14218373
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Dominic Hamon commented on MESOS-2134:
--------------------------------------
stack trace when {{StandaloneMasterDetector}} is used:
{noformat}
465 || [ RUN ] MetricsTest.Slave
466 || *** Aborted at 1416426068 (unix time) try "date -d @1416426068" if you
are using GNU date ***
467 || PC: @ 0x2b2f01ffd5d8 process::PID<>::PID()
468 || *** SIGSEGV (@0x0) received by PID 3040 (TID 0x2b2f0ba78700) from PID 0;
stack trace: ***
469 || @ 0x2b2f0ec5c3c7 os::Linux::chained_handler()
470 || @ 0x2b2f0ec60659 JVM_handle_linux_signal
471 || @ 0x2b2f05c8c340 (unknown)
472 || @ 0x2b2f01ffd5d8 process::PID<>::PID()
473 || @ 0x2b2f01ffd5aa process::Process<>::self()
474 || @ 0x2b2f01fe7ad2 process::dispatch<>()
475 || @ 0x2b2f01fe4bd6
mesos::internal::StandaloneMasterDetector::detect()
476 || @ 0x2b2f0231e284 mesos::internal::slave::Slave::detected()
477 || @ 0x2b2f02385496
_ZZN7process8dispatchIN5mesos8internal5slave5SlaveERKNS_6FutureI6OptionINS1_10MasterInfoEEEES9_EEvRKNS_3PIDIT_EEMSD_FvT0_ET1_ENKUlPNS_11ProcessBaseEE_clESM_
478 || @ 0x2b2f023850e2
_ZNSt17_Function_handlerIFvPN7process11ProcessBaseEEZNS0_8dispatchIN5mesos8internal5slave5SlaveERKNS0_6FutureI6OptionINS5_10MasterInfoEEEESD_EEvRKNS0_3PIDIT_EEMSH_FvT0_ET1_EUlS2_E_E9_M_invokeERKSt9_Any_dataS2_
479 || @ 0x2b2f02ac7508 std::function<>::operator()()
480 || @ 0x2b2f02ab57c4 process::ProcessBase::visit()
481 || @ 0x2b2f02b0b07e process::DispatchEvent::visit()
482 || @ 0x8a92e1 process::ProcessBase::serve()
483 || @ 0x2b2f02aa50cd process::ProcessManager::resume()
484 || @ 0x2b2f02aa48fe process::schedule()
485 || @ 0x2b2f05c84182 start_thread
486 || @ 0x2b2f05f94fbd (unknown)
487 || @ 0x0 (unknown)
488 || make[3]: *** [check-local] Segmentation fault (core dumped)
{noformat}
> Create ability to have slave-only tests
> ---------------------------------------
>
> Key: MESOS-2134
> URL: https://issues.apache.org/jira/browse/MESOS-2134
> Project: Mesos
> Issue Type: Bug
> Components: test
> Reporter: Dominic Hamon
>
> When creating a test that only calls {{StartSlave}} without {{StartMaster}},
> the test will segfault.
> Creating a {{StandaloneMasterDetector}} without a leader and passing that
> into {{StartSlave}} also segfaults within {{detect}}.
> Adding special cases to the {{StandaloneMasterDetector}} to return {{None()}}
> when {{leader.isNone()}} fixes the issue, but changes the semantics of the
> detector, so more thought is needed.
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