You should never spawn threads. Ergo, you should not call exec().
tim.

> Thanks for the reply. On the same lines, do you think it is ok to spawn java
> threads in helper classes that are used by the EJB? Please note that the
> helper classes are part of the same "jar" that contains the EJB.
> 
> To re-state, what I want to know is this: The spec doesn't allow spawning
> threads from the bean classes, but is is it okay to use "synchronization"
> primitive and to spawn threads from the helper
> classes that are used by the beans?
> 
> Thanks.
> 
> Venki
> 
> ----- Original Message -----
> From: "Sven E. van �t Veer" <[EMAIL PROTECTED]>
> To: "Venki" <[EMAIL PROTECTED]>
> Sent: Tuesday, July 23, 2002 8:35 AM
> Subject: RE: Is Exec() allowed in EJB
> 
> 
> > FAIK, The ERB spec does not allow this. I see no reason however that
> helper
> > classes cannot do this.
> >
> > -----Original Message-----
> > From: A mailing list for Enterprise JavaBeans development
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Venki
> > Sent: Tuesday, July 23, 2002 9:05 AM
> > To: [EMAIL PROTECTED]
> > Subject: Fwd: Is Exec() allowed in EJB
> >
> >
> > I am resending the message as I the email that I sent earlier
> > bounced back. I apologize for any inconvenience.
> >
> > ==========================Forwarded message==========================
> >
> >
> > Hi,
> >   I have implemented a stateless session bean that calls a helper
> > class. I am spawn a process from a method in the helper class using
> > runtime.exec().
> >   Given that spawning threads is not allowed in the EJB server
> environment.
> > Is spawning processes okay? Is it not equivalent to spawning threads
> > which are nothing but light weight processes?
> >   I need answers quite urgently. If anybody has experience in this
> > pls do let me know. Thanks.
> >
> > Venki
> >
> > ----- End forwarded message -----
> >
> >
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