Re: [Wrapper-user] Problems while starting multiple wrappers

[Ralph S. <ral...@we...>]

Hi Leif,

even when the 100 JVMs are launched as child processes from a single JVM via Runtime.exec,
I encounter no problems.

Could it be that the pings of the JVM by the wrappers are problematic when starting more and more wrappers? Just a guess ...


Cheers

Ralph


wra...@li... schrieb am 07.06.05 15:06:06:
> 
> Ralph, were those 100 JVMs each launched from their own console or were 
> they all
> launched as child processes of a single JVM like you are trying to do 
> with your real
> applications?  I have never tried exactly what you are trying.  It 
> sounds like a resource
> issue of some kind.  A single JVM uses quite a few file handles.  I am 
> wondering if the
> parent Wrapper process is simply running out?  I can't think of anything 
> about the
> Wrapper itself which would be causing this directly...
> 
> Leif
> 
> Ralph Schreyer wrote:
> 
> >Hello Leif,
> >
> >thank you very much for your answer. I turned on wrapper.debug=true and generated the output shown below, i.e. the JVM exits with code 6 (SIGABRT, afaik)
> >
> >In a test run, I started more than a hundred JVMs (each starting my Java service) on my PC without any problems. As soon as I wrap the calls into the Java Service Wrapper, the JVMs crash when starting more than ~ 30.
> >
> >
> >Cheers
> >
> >Ralph
> > 
> >
> 
> 
> 
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