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Support Article

404 error in the UAT env



accessing UAT PRPC application throws 404 error. SSO login URL did not work while the PRServlet url worked.

Error Messages

404 error on the screen. 

Steps to Reproduce

- access the UAT url;
- issue is sporadic.

Root Cause

From the error message '404' error message request was not reaching pega - no pega cookie in the response header of this error in fiddler trace. the proxy log shows http request to one of the weblogic nodes returned 404. further checking proxy log shows, all the requests to that node returned 404. Directly accessing that problematic WebLogic node also threw same 404 error, while direct access to other weblogic node is working fine. checked the web.xml of the both the nodes and found differences in web.xml. recently there was a hfix installation was deployed in these nodes. 


correcting the servlet mapping in web.xml for the problematic node resolved the problem.

Published January 31, 2016 - Updated October 8, 2020

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