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Tuesday, July 11, 2017

R12: "Cannot Complete Applications Logon" and "APP-FND-01496" Errors When Starting Forms Using RAC



R12: "Cannot Complete Applications Logon" and "APP-FND-01496" Errors When Starting Forms Using RAC

Oracle EBS Applications Version -12.1.3

Symptoms

When using RAC database the following sequence of error dialogs is shown when starting Forms function from the Homepage.
               





The error happens intermittently. Sometimes Forms is started without any problems on the first attempt. When the error is raised trying a second or third time makes Forms is then started as expected.

Running the 'date' command (at the same moment) on all RAC nodes show a different time stamp. The example below shows a 2 minute difference between the 2 RAC nodes:

Node 1:
Thu Jun 29 11:16:14 IST 2017

Node 2:
Thu Jun 29 11:14:01 IST 2017

Changes

Network Maintenance and Missing some firewall settings.

Cause

The root-cause here is the time difference between the RAC nodes

Solution

https://support.oracle.com/epmos/adf/images/t.gif
Synchronize the time on all the RAC Nodes. Follow the following sequence of actions:

- Stop all Applications Middle Tier Services
- Stop all RAC Clusterware Services
- Synchronize the time between all RAC nodes (for example using NTP (*))
- Restart the RAC Clusterware Services
- Restart the Applications Middle Tier Services
- Test starting Forms from the Homepage .

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