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Posted to dev@commons.apache.org by bu...@apache.org on 2005/09/07 16:27:43 UTC

DO NOT REPLY [Bug 36545] New: - [exec] potential threading issue when closing process.getInputStream()

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http://issues.apache.org/bugzilla/show_bug.cgi?id=36545

           Summary: [exec] potential threading issue when closing
                    process.getInputStream()
           Product: Commons
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Sandbox
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: jerome@coffeebreaks.org


When I started to look into finding common code between ant, plexus, m2 and
cruisecontrol, I found a couple of differences that I think need to be merged
back into commons-exec.

In particular it seems like this plexus-util change [1] contains a threading fix
which should also be backported to commons-exec. I think we are hitting it now
in CruiseControl in some rare cases: executed process is ant which forks and
spawns a separate process. This makes getInputStream().close() hang, and I think
your change would fix it.

I haven't yet worked on it, nor wrote a test case. Would appreciate input from
trygvis as he's the one who made the fix for plexus.

[1]
http://svn.codehaus.org/trunk/plexus-utils/src/main/java/org/codehaus/plexus/util/cli/StreamPumper.java?rev=1298&root=plexus&view=rev

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