This seems to be triggered by #32560 (reverting 0cf0d73 solves the problem)
https://elasticsearch-ci.elastic.co/job/elastic+elasticsearch+master+multijob-darwin-compatibility/11/console
REPRODUCE WITH: ./gradlew :test:framework:test -Dtests.seed=9C3DC2779BDE41C3 -Dtests.class=org.elasticsearch.transport.nio.SimpleMockNioTransportTests -Dtests.method="testConnectException" -Dtests.security.manager=true -Dtests.locale=ar-LB -Dtests.timezone=America/Anchorage -Dcompiler.java=10 -Druntime.java=8
02:08:43 1> [2018-09-19T18:08:40,751][INFO ][o.e.t.t.MockTransportService] [testConnectException] publish_address {127.0.0.1:49748}, bound_addresses {[::1]:49747}, {127.0.0.1:49748}
02:08:43 1> [2018-09-19T18:08:40,773][INFO ][o.e.t.n.SimpleMockNioTransportTests] [testConnectException] after test
02:08:43 FAILURE 0.06s J3 | SimpleMockNioTransportTests.testConnectException <<< FAILURES!
02:08:43 > Throwable #1: java.lang.AssertionError:
02:08:43 > Expected: a string containing "connect_exception"
02:08:43 > but: was "[][127.0.0.1:9876] general node connection failure"
02:08:43 > at __randomizedtesting.SeedInfo.seed([9C3DC2779BDE41C3:78B03D75C4C593DD]:0)
02:08:43 > at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
02:08:43 > at org.elasticsearch.transport.nio.SimpleMockNioTransportTests.testConnectException(SimpleMockNioTransportTests.java:107)
02:08:43 > at java.lang.Thread.run(Thread.java:748)
02:08:43 1> [2018-09-19T18:08:40,793][INFO ][o.e.t.n.SimpleMockNioTransportTests] [testErrorMessage] before test
Reproduces for me Darwin Kernel Version 16.7.0: Fri Apr 27 17:59:46 PDT 2018; root:xnu-3789.73.13~1/RELEASE_X86_64
CC: @tbrooks8
This seems to be triggered by #32560 (reverting 0cf0d73 solves the problem)
https://elasticsearch-ci.elastic.co/job/elastic+elasticsearch+master+multijob-darwin-compatibility/11/console
Reproduces for me
Darwin Kernel Version 16.7.0: Fri Apr 27 17:59:46 PDT 2018; root:xnu-3789.73.13~1/RELEASE_X86_64CC: @tbrooks8