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https://issues.apache.org/jira/browse/IMPALA-10066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17248103#comment-17248103
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ASF subversion and git services commented on IMPALA-10066:
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Commit 07f3ae3881a8ed652b2d4a4b965aed05e5a85e6f in impala's branch
refs/heads/master from Tamas Mate
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=07f3ae3 ]
IMPALA-10066: Fix test_cancellation_mid_command flakiness
This change adds additional synchronisation to fix the flaky test. The
test failures were happening because the test did not wait for the
output of the SIGINT (^C) to arrive. When this was delayed it cluttered
the impala-shell output and other expect calls could fail.
Testing:
- executed the test locally 250 times without failures, without this
fix there were about 3 failures in a 100 execution
Change-Id: Ief384ce59f3ce24f1ab2dfb5fbaf7c9a39b434e0
Reviewed-on: http://gerrit.cloudera.org:8080/16847
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> test_cancellation_mid_command fails in parallel-all-tests-nightly
> -----------------------------------------------------------------
>
> Key: IMPALA-10066
> URL: https://issues.apache.org/jira/browse/IMPALA-10066
> Project: IMPALA
> Issue Type: Bug
> Reporter: Zoltán Borók-Nagy
> Assignee: Tamas Mate
> Priority: Critical
> Labels: broken-build
>
> Failed jobs:
> [https://jenkins.impala.io/job/ubuntu-16.04-from-scratch/11609/]
> [https://jenkins.impala.io/job/ubuntu-16.04-dockerised-tests/2927/testReport/]
> Stack trace:
> {noformat}
> shell/test_shell_interactive.py:326: in test_cancellation_mid_command
> child_proc.wait()
> ../infra/python/env-gcc7.5.0/lib/python2.7/site-packages/pexpect/__init__.py:1205:
> in wait
> raise ExceptionPexpect('Cannot wait for dead child process.')
> E ExceptionPexpect: Cannot wait for dead child process.{noformat}
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