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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 49587] New: Forked Processes (Exec, Java) Leak Threads and Hang
Date Mon, 12 Jul 2010 16:06:05 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=49587

           Summary: Forked Processes (Exec, Java) Leak Threads and Hang
           Product: Ant
           Version: 1.8.1
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core tasks
        AssignedTo: notifications@ant.apache.org
        ReportedBy: mbm@ptc.com


This can result in "OutOfMemoryError: unable to create new native thread" when
many forked processes are used.

It can also result in app hangs, the root cause of which are extremely
difficult to track down.  Apparently, the process blocks while waiting for
input.

We experienced hangs on a particular subset of XP machines, but we couldn't
determine what characteristic(s) that subset had in common.  When a Java
process forked an Ant process that forked a Java process without using the
inputstring="" work around, a subsequently forked Java process hung.

http://marc.info/?l=ant-user&m=127851430928759&w=2

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