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kishj

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remote exception error intializing: java.rmi.UnmarshalException: Transport return code invalid

We have a multi-tiered client-server system that uses RMI to communicate between a client applet within a Netscape browser and our server. On our LAN, everythingruns just fine. At another site we get the error:

Remote Exception error intializing: java.rmi.UnmarshalException: Transport return code invalid.

The remote sit'es network is quite large and complex. I was wondering if certain types of hardware or software configurations could cause problems in RMI's mode of communication over an Intranet. Both the server and clients reside on the site's Intranet.

Any and all thoughts on this problem would be greatly appreciated.

Jeff Kish
ait@concentric.net

or John Victor
victorj@ait-mmii.com
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kishj

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The problem seems to have turned out to be not an issue with the port number, but an issue with the name referenced for the RMI registry.

It seems that where we test we don't use DNS, and the machine names are what is used for the server/rmi registry creation and the client/rmi registry naming.lookup. The Server at the customer site, because of it's setup and use of DNS and 'lack' of a computer name created a registry with the name www.thename.com. The client was trying to connect with another name it got via an incorrect method that had worked back at the office.

Thanks
Jeff Kish ait@concentric.net