MOD_OC4J_0145: There is no OC4J Process (for Destination: instance://instance_name:OC4J_B2B) Available to Service the Request (Doc ID 376743.1)

Last updated on OCTOBER 18, 2016

Applies to:

Oracle B2B 10g (Business to Business) - Version 10.1.2.0.2 and later
Information in this document applies to any platform.
***Checked for relevance on 03-Mar-2010***
***Checked for relevance on 17-Aug-2011***
***Checked for relevance on 21-July-2014***

Symptoms

When trying to access B2B application running behind the firewall you are getting the following error:

Internal Server Error  

The server encountered an internal error or misconfiguration and was unable to  
complete your request.  
Please contact the server administrator, you@your.address and inform them of  
the time the error occurred, and anything you might have done that may have  
caused the error.  

More information about this error may be available in the server error log under the directory <Oracle Home>/ip/log.

Http server error_log reports the following error:

[error] [client ] MOD_OC4J_0145: There is no oc4j process (for destination: instance://instance_name:OC4J_B2B) available to service request.  



Changes

There is a firewall between the HTTP Server and OC4J.

Cause

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