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From "Thom Park" <>
Subject Re: I have tried to invoke EJB's from TOMCAT: NoInitialContextException:
Date Wed, 15 Nov 2000 15:16:56 GMT

It looks like your JNDI context info isn't initialized (stating the obvious - I

I had a similar problem (with env-entry constructs). Tomcat 3.2 doesn't come
with any JNDI so I had to add a JNDI service
layer of my own. Prior to the servlet that makes the EJB call, the JNDI
environment needs to be initialized such that any JNDI lookup calls
know where to start looking from.

Given I'm not an EJB wiz by any stretch of the imagination, all I can say is
check the EJB documentation from ORACLE that specifies the
setup steps needed to ensure that the intial context will succeed - I suspect
that the EJB call is trying to find EJB home or something or other from the

To solve my problem, I wrote a (very) simple interceptor that set up the initial
context information for the JNDI that I'm using in the preService call of the
interceptor. Sorry if I can't be of much more help.

I hope that you solve your problem. Tomcat 4.0 looks to be much, much nicer in
the JNDI area and for support of the ejb-ref construct (which Tomcat 3.x doesn't
deal with).


Peter Knight wrote:

> I have tried to invoke EJB's from TOMCAT and get:
> Internal Servlet Error:
> javax.servlet.ServletException: Need to specify class name in environment or
> system property:
> Root cause:
> javax.naming.NoInitialContextException: Need to specify class name in
> environment or system property: e.t.c.
> The EJB resides in an Oracle 8i 8.1.6 database.
> I have included the EJB API and the two EJB jar files in the class path and
> it doesn't seem to matter what I do, I cannot get it to work!!
> Regards Peter Knight
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