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[OCI BM LBaaS] Load Balancer Not Passing Traffic to BI Publisher Cluster (Doc ID 2524712.1)

Last updated on SEPTEMBER 27, 2019

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.


The OCI Load Balancer (configured for HTTP only) fails to pass traffic to the BI Publisher.  This is seen in two ways:

  1. Login to BI Publisher fails with no error output (just a return of the blank login screen).
  2. The OBIEE application does not return any data to the web browser for the OBIEE BI Publisher Admin Console (xmlpserver).

The issue occurs only when login or application traffic to BI Publisher is directed through the OCI Load Balancer.
The issue occurs about 97% of the time: Occasionally, after a service restart or backend configuration change, the first few sessions will succeed, but the third and all subsequent sessions fail.
The issue occurs regardless of the number of backends.  Defining only one backend server in a backend set produces the same problem behavior.
The issue only occurs with one specific user or limited number of users.
The issue never occurs when BI Publisher is accessed directly from the nodes.

OBIEE two node cluster setup in OCI environment with BI Publisher, integrated with EBS, and OCI Load Balancer.
OCI Load Balancer is configured to forward the requests to the application server (WLS).
Analytics and other application logins and traffic are successful from the load balancer.  However, the BI Publisher login does not works.
The BI Publisher login works fine if the application server URL is used directly.

The Devtools console log shows the below error when the issue occurs:



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