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Subject: RE: EJB Sharing between applications
Date: Tue, 5 Feb 2002 08:07:00 -0500
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Thread-Topic: EJB Sharing between applications
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From: "Carroll, Jim" <[EMAIL PROTECTED]>
To: Orion-Interest <[EMAIL PROTECTED]>
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If you search the archives you will find my writup on this. It is not
possible from within an Orion J2EE container (either web or ejb). Not
only that, it is not possible to call EJBs in another instance of the
same application (that is, more than one other REMOTE instance - you can
call ONE other remote instance using the orion specific configuration)
from within an Orion J2EE container.
=20
This is a severe limitation and one that will need to be addressed if
Orion hopes to be ejb 1.3 compliant.
=20
There is a hack that MIGHT work if there are no circular dependencies
between your EARs. You can have one application be a parent of another,
and a third application be the parent of the first parent. We started
experimenting with this when we decieded that it was too restrictive and
we went with another J2EE imlpementation. I'm hoping that Orion fixes
this problem because all in all if they fix their JNDI issues (which is
the source of this problem) it's not a poor quality server.
-----Original Message-----
From: Jorge Jimenez C [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, February 05, 2002 6:58 AM
To: Orion-Interest
Subject: EJB Sharing between applications
Hello everyone.
I'm testing orion for use in a variety of applications. Our software
company have developed many J2EE components in the form of diferents
applications (diferents EAR files) that interact with each other
throught its EJB and JSP pages.
=20
Reading the document at
http://www.orionserver.com/docs/remote-access/remote-access.xml I see
that one application can only use funcionality from only one other
application (a parent application defined in server.xml). We need to use
services from EJB's in many other applications.
=20
I think there must be another way to share EJB's functionality between
applications (without going throught network layer, i hope).
=20
Please, any directions will be welcome
=20
Thanks in advance.
=20
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<BODY bgColor=3D#ffffff>
<DIV><SPAN class=3D773435912-05022002><FONT face=3DArial color=3D#0000ff =
size=3D2>If you=20
search the archives you will find my writup on this. It is not possible =
from=20
within an Orion J2EE container (either web or ejb). Not only that, it is =
not=20
possible to call EJBs in another instance of the same application (that =
is, more=20
than one other REMOTE instance - you can call ONE other remote instance =
using=20
the orion specific configuration) from within an Orion J2EE=20
container.</FONT></SPAN></DIV>
<DIV><SPAN class=3D773435912-05022002><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D773435912-05022002><FONT face=3DArial color=3D#0000ff =
size=3D2>This=20
is a severe limitation and one that will need to be addressed if Orion =
hopes to=20
be ejb 1.3 compliant.</FONT></SPAN></DIV>
<DIV><SPAN class=3D773435912-05022002><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D773435912-05022002><FONT face=3DArial color=3D#0000ff =
size=3D2>There=20
is a hack that MIGHT work if there are no circular dependencies between =
your=20
EARs. You can have one application be a parent of another, and a third=20
application be the parent of the first parent. We started experimenting =
with=20
this when we decieded that it was too restrictive and we went with =
another J2EE=20
imlpementation. I'm hoping that Orion fixes this problem because all in =
all if=20
they fix their JNDI issues (which is the source of this=20
problem) it's not a poor quality server.</FONT></SPAN></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
size=3D2>-----Original Message-----<BR><B>From:</B> Jorge Jimenez C=20
[mailto:[EMAIL PROTECTED]]<BR><B>Sent:</B> Tuesday, February 05, 2002 =
6:58=20
AM<BR><B>To:</B> Orion-Interest<BR><B>Subject:</B> EJB Sharing between =
applications<BR><BR></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>
<DIV><FONT face=3DArial size=3D2>Hello everyone.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> I'm testing orion for use in a =
variety of=20
applications. Our software company have developed many J2EE components =
in the=20
form of diferents applications (diferents EAR files) that interact =
with each=20
other throught its EJB and JSP pages.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Reading the document at <A=20
=
href=3D"http://www.orionserver.com/docs/remote-access/remote-access.xml";>=
http://www.orionserver.com/docs/remote-access/remote-access.xml</A> =
I=20
see that one application can only use funcionality from only one other =
application (a parent application defined in server.xml). We need to =
use=20
services from EJB's in many other applications.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>I think there must be another way to =
share EJB's=20
functionality between applications (without going throught network =
layer, i=20
hope).</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Please, any directions will be=20
welcome</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks in advance.</FONT></DIV>
<DIV> </DIV></FONT></DIV></BLOCKQUOTE></BODY></HTML>
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