Yingjie Cao created FLINK-14185:
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Summary: AbstractServerTest failed on Travis
Key: FLINK-14185
URL: https://issues.apache.org/jira/browse/FLINK-14185
Project: Flink
Issue Type: Bug
Components: Tests
Reporter: Yingjie Cao
Fix For: 1.10.0
AbstractServerTest failed on Travis. The Travis link is
[https://api.travis-ci.org/v3/job/588761985/log.txt]. The error message is as
follows.
{code:java}
05:53:23.924 [ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time
elapsed: 0.113 s <<< FAILURE! - in
org.apache.flink.queryablestate.network.AbstractServerTest
05:53:23.924 [ERROR]
testPortRangeSuccess(org.apache.flink.queryablestate.network.AbstractServerTest)
Time elapsed: 0.064 s <<< FAILURE!
java.lang.AssertionError: expected:<0> but was:<1>
at
org.apache.flink.queryablestate.network.AbstractServerTest.testPortRangeSuccess(AbstractServerTest.java:126)
{code}
The failure can be reproduced by running the test case multi times (until
failure) locally.
The failure reason is that the requestStats is shared by two instance of
TestServer which relies on AutoCloseable interface for connection release. If
one of the server has been shut down and the anther is not, the assertion in
the close method can fail. To fix the problem, we can move the assertion out of
the close method.
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