Accessing Sourcing Home Page from DMZ takes 5 minutes to render

(Doc ID 579785.1)

Last updated on AUGUST 28, 2017

Applies to:

Oracle E-Business Suite Technology Stack - Version 12.0.4 to 12.0.6 [Release 12.0]
Information in this document applies to any platform.

Symptoms

On 12.0.4 in Production:
While trying to access Sourcing Home Page, it takes 5 minutes to render when accessing via DMZ server

When accessing the same page from a server on the internal network, the page renders in a few seconds

EXPECTED BEHAVIOR
Expect the page to render in less than 5 seconds.

STEPS
The issue can be reproduced at will with the following steps:
1. Login to Apps through http://test.com
2. Navigate to Sourcing Supplier responsibility => Sourcing Home Page

BUSINESS IMPACT
The issue has the following business impact:
Due to this issue, external users may give up waiting and register a complaint to the help desk

In the OACore application.log you will see the following error stack each time the Sourcing Home Page is accessed:-

html: OAUrlIncludeBean, localName='urlInclude'
html: null
java.net.ConnectException: Connection timed out
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
................................
................................
................................

 

Changes

The system architecture is

DMZ Web Entry point = Reverse Proxy or similar device   For example http://test.com
DMZ eBiz server         = separate server.                           For example http://ebs.test.com

Cause

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