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https://issues.apache.org/jira/browse/FLINK-17454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17095126#comment-17095126
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Wei Zhong commented on FLINK-17454:
-----------------------------------
Hi [~dian.fu], the root cause of the test failure is "Address already in use".
It is because the port of the Py4j CallbackServer is occupied. I'll change the
port determine logic to solve the problem.
> test_configuration.py ConfigurationTests::test_add_all failed on travis
> -----------------------------------------------------------------------
>
> Key: FLINK-17454
> URL: https://issues.apache.org/jira/browse/FLINK-17454
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Reporter: Piotr Nowojski
> Priority: Major
> Labels: test-stability
> Fix For: 1.11.0
>
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=383&view=logs&j=9cada3cb-c1d3-5621-16da-0f718fb86602&t=455fddbf-5921-5b71-25ac-92992ad80b28
> {code:java}
> =========================== short test summary info
> ============================
> FAILED
> pyflink/common/tests/test_configuration.py::ConfigurationTests::test_add_all
> ====== 1 failed, 499 passed, 19 skipped, 97 warnings in 182.59s (0:03:02)
> ======
> ERROR: InvocationError for command
> /__w/1/s/flink-python/.tox/py37-cython/bin/pytest --durations=0 (exited with
> code 1)
> {code}
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