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From Peter Crowther <>
Subject Re: Incompatabilities?
Date Fri, 08 Jan 2010 08:24:24 GMT
2010/1/8 Alexander Skwar <>:
> Besides the "load issue", they claim, that a different app of theirs doesn't
> work with Tomcat, but it's supposed to work with WebLogic and jBoss. Am
> I right in assuming, that this is most probably caused by bugs in their app,
> which (somehow only) get triggered by Tomcat?


Tomcat is a servlet container, implementing the Servlet spec (actually
specs; there are several versions).  If the supplier's application
doesn't run on Tomcat, it's not Servlet spec-compliant *or* is not a
pure servlet; it is instead relying on implementation-dependent
behaviour outside the Servlet spec that WebLogic and JBoss implement,
or requires J2EE support that those containers provide but Tomcat does

If it's a pure servlet but is not Servlet spec-compliant, that is at
best a misfeature and at worst a bug.

If it requires J2EE features, then you shouldn't be trying to run it
under Tomcat or any other pure servlet container; you need a J2EE
container instead.  JBoss (which is based on Tomcat) has a Community
server which is free, as far as I can see.  I've not used it, but
there are certainly people on this list who use it on a regular basis.

- Peter

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