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From Oliver Deakin <oliver.dea...@googlemail.com>
Subject Re: [jira] Created: (HARMONY-638) [classlib] Tests hang on in luni : tests.api.java.io.FileTest / test_setReadOnly on Ubunti 6.06
Date Wed, 21 Jun 2006 19:10:53 GMT
I remember seeing problems like this before, in a non-Harmony jre, where a
Runtime.exec() would never return. I hunted around and found an 
interesting page
on JavaWorld:
 
  http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html

I found the "Why Runtime.exec() hangs" section very useful, and it 
solved my problem
at the time. I'm not saying that what you're seeing is definitely the 
same thing that I encountered,
but it may help. I notice that in this test stdout and stderr for the 
process are not read - is it
possible that it is producing some output, and since it isn't being read 
the process just waits
leading to the exec never exiting?

Regards,
Oliver


Geir Magnusson Jr (JIRA) wrote:
> [classlib] Tests hang on in luni : tests.api.java.io.FileTest / test_setReadOnly on Ubunti
6.06
> -----------------------------------------------------------------------------------------------
>
>          Key: HARMONY-638
>          URL: http://issues.apache.org/jira/browse/HARMONY-638
>      Project: Harmony
>         Type: Bug
>
>   Components: Classlib  
>     Reporter: Geir Magnusson Jr
>
>
> it seems that exec() doesn't work - it never returns.  Bug in IBM j9 kernel classes?
>
> Mark Hindress is trying to duplcate to reconfirm.
>
> ubuntu 6.06
> gcc 3.4
> invoked by Sun Java 1.5.0_07
> IBM J9 for linux, v3 mk II
>
>
>
>   

-- 
Oliver Deakin
IBM United Kingdom Limited


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