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GopiKrishnaV Member since 2013 3 posts
HCL
Posted: 4 years ago
Last activity: 4 years 5 months ago
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One PEGA url is repointing to another PEGA application in same server

Hi Team,

We have 4 PEGA applications running in same server in production (we have 4 servers with F5 load balancer).

After restart of server (all 4 PEGA services will automatically started), When we hit url of one PEGA application it is showing login page of another PEGA application in same server. This problem occurs with only 2 applications (which we migrated few months back to PEGA7).

More information,

We are using different web logic instances for each application.

We are using different drives in server for each application.

We are using F5 load balancer for all apps.

We have 4 servers and this issue occurring only in 2 servers.

Temporary solution to fix this issue: Will restart application1 and same time will restart application2, then issue got fixed.

Example:

When we hit https://xx.xx.xx.xx/prweb/PRServlet it is routing to login page of https://xx.xx.xx.xx/prweb/PRServlet

Could you please help me on on to fix this issue.

Any ideas which helps to my analysis are much appreciated. Thanks.

Thanks & Regards,

Gopi

Message was edited by: Marissa Rogers - removed proprietary information

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Posted: 4 years ago

This seems like a routing issue. Some questions:

1. Between F5 and weblogic app server, are there any web servers involved? How are 4 pega instances configured on the F5 side?

2. You seem to imply that the 4 servers are in different versions of prpc?

3. Bit confused with your example, I assume all users should use the same url through F5.

4. Are the two problem servers in good state (in terms of performance) at the time of this happening? We have seen in the past that if a server is responding slowly then F5 can route it to another server assuming that the initial server is down.

5. A fiddler trace would be helpful.
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