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From "Tibor Digana (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SUREFIRE-1422) Forking fails on Linux if /bin/ps isn't available
Date Fri, 09 Mar 2018 16:12:00 GMT

    [ https://issues.apache.org/jira/browse/SUREFIRE-1422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393068#comment-16393068
] 

Tibor Digana commented on SUREFIRE-1422:
----------------------------------------

Thx [~carlos]. Anyway I am still wondering why the old mechanism (which does not use native
calls) did not work.
[~raehalme]
[~apottere]
[~ebourg]
How long did the test-set run? Was it less than 30 seconds?

> Forking fails on Linux if /bin/ps isn't available
> -------------------------------------------------
>
>                 Key: SUREFIRE-1422
>                 URL: https://issues.apache.org/jira/browse/SUREFIRE-1422
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: process forking
>    Affects Versions: 2.20.1
>         Environment: Linux (Debian 9 with OpenJDK 8)
>            Reporter: Emmanuel Bourg
>            Assignee: Tibor Digana
>            Priority: Major
>             Fix For: 2.21.0
>
>
> Hi,
> With the changes introduced by SUREFIRE-1302 I'm now experiencing a failure on Linux
when the fork mode is enabled:
> {code}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test
(default-test) on project foo: There are test failures.
> [ERROR]
> [ERROR] Please refer to /foo/target/surefire-reports for the individual test results.
> [ERROR] Please refer to dump files (if any exist) [date]-jvmRun[N].dump, [date].dumpstream
and [date]-jvmRun[N].dumpstream.
> [ERROR] The forked VM terminated without properly saying goodbye. VM crash or System.exit
called?
> {code}
> I traced the issue back to the PpidChecker class, the code assumes that {{/bin/ps}} or
{{/usr/bin/ps}} exist but this isn't guaranteed (especially on trimmed down containers commonly
used for continuous integration).
> It would be nice to have a fallback mechanism when ps isn't available, or at least check
its existence and display an explicit message stating that it must be installed.



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