JBoss Error: 'MAPPING configuration error for request URI /e'

Overview

When attempting to log into Connect (http://server:port/connect) the user gets the following error:

[Engine] StandardHost[localhost]: MAPPING configuration error for request URI /e

Important Note: If you are unsure about securely performing the steps mentioned in this article, always make a backup before making any changes or reach out to support for more help.

Root Cause

The default RMI port 1098 for JBoss is being used by another application.

Resolution

Change the RMI port in the jboss-service.xml file located under $JBOSS_HOME/server/default/conf from 1098 to 11098 or any available port. Here is an example of the change:

 Original

<!--
The port of the RMI naming service, 0 == anonymous
-->
<attribute name="RmiPort">1098</attribute>

Changed to

<!--
The port of the RMI naming service, 0 == anonymous
-->
<attribute name="RmiPort">11098</attribute>

Confirmation

Enter the given port number in the Connect (URL Syntax: http://server:port/connect) to access the JBoss WebServer.

For example, given we changed the port to be 11098, the access URL becomes: http://192.168.0.45:11098/connect

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