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From "Baptiste Gaillard (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (SUREFIRE-773) surefire forked processes not always killed after timeout
Date Sun, 20 Nov 2011 09:10:39 GMT

    [ https://jira.codehaus.org/browse/SUREFIRE-773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=283867#comment-283867
] 

Baptiste Gaillard commented on SUREFIRE-773:
--------------------------------------------

We also encounter this problem using Jenkins 1.438 and Surefire 2.10 on an Amazon EC2 Linux
instance.


> surefire forked processes not always killed after timeout
> ---------------------------------------------------------
>
>                 Key: SUREFIRE-773
>                 URL: https://jira.codehaus.org/browse/SUREFIRE-773
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: process forking
>    Affects Versions: 2.8
>         Environment: 64 bit RHEL 5.5 , 64-bit Java 1.6.0_23
>            Reporter: David Biesack
>
> Our forked JUnit/surefire processes are not always stopping correctly when timing out
within a Maven build
> (running inside our Jenkins CI server, ver  1.425).
> The maven build finishes and Jenkins shows a failed/unstable build.
> These running processes cause problems later, because the tests may be holding a resource
like a port, and subsequent rebuilds fail because the
> tests fail. 
> For example, even though no Maven builds are currently running, ps shows about a dozen
Java processes running,
> with commands such as:
> {noformat} 
> /usr/local/java-1.6_23/jre/bin/java -Xms1g -Xmx5g -Djava.library.path=/u/jenkinsci/.hudson/jobs/rtolap.jtt.tests/workspace/target/lib
\
>    -jar /u/jenkinsci/.hudson/jobs/rtolap.jtt.tests/workspace/target/surefire/surefirebooter1374560535780866887.jar
\
>    /u/jenkinsci/.hudson/jobs/rtolap.jtt.tests/workspace/target/surefire/surefire65313...
> /usr/local/java-1.6_23/jre/bin/java -Xmx2g -Xms1g -Djava.library.path=/u/jenkinsci/.hudson/jobs/rtolap/workspace/target/lib
\
>    -jar /u/jenkinsci/.hudson/jobs/rtolap/workspace/target/surefire/surefirebooter6814971258434039335.jar
\
>    /u/jenkinsci/.hudson/jobs/rtolap/workspace/target/surefire/surefire5806103969370259371tmp
/u/jenkinsci/...
> ...
> {noformat} 
> We have our Maven surefire preferences set to fork the tests (via a parent pom)
> {code:xml|title=pom.xml excerpt} 
>             <plugin>
>                 <groupId>org.apache.maven.plugins</groupId>
>                 <artifactId>maven-surefire-plugin</artifactId>
>                 <version>2.8</version>
>                 <configuration>
>                     <forkMode>once</forkMode>
>                     <forkedProcessTimeoutInSeconds>720</forkedProcessTimeoutInSeconds>
>                 </configuration>
>             </plugin>
> {code} 
> I suspect the timeout is the problem - i.e. perhaps the test is timing out and the attempt
to kill the forked process 
> fails, leaving it running.
> Has anyone seen something similar and/or know how to fix this so that surefire *really*
kills the process?
> When this happens, doing
>   kill <processid>
> (logged in as the process owner) usually does not work, but
>   kill -9 <processid>
> does.

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