DO NOT REPLY [Bug 25327] New: - Forked VMs != forking VM, breaking script portability

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=25327

Forked VMs != forking VM, breaking script portability

           Summary: Forked VMs != forking VM, breaking script portability
           Product: Ant
           Version: 1.6Beta
          Platform: All
               URL: http://gump.covalent.com/log/ws-axis-test.html
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Core
        AssignedTo: bodewig@apache.org
        ReportedBy: ajack@trysybase.com
                CC: dev@ant.apache.org


If a user (e.g. Gump, or whatever) selects a Java VM (perhaps a certain 
instance), or sets system properties (e.g. java.awt.headless, or 
bootclasspath ), forked VMs don't match this. As such, scripts can fail based 
upon the default environment (which gives the new forked Ant VM).

I can see this in three parts:

1) JVM instance (this might just have to be left to the OS path)
2) Classpaths (ought bootclasspath be expressed here, or ought we use endorsded)
3) System properties (default behaviour ought be to clone all).

I believe that this is a JVM problem (it ought allow a 'fork'), and I wonder if 
others have solved it & ant could borrow that.

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