'Session Timeout' / 'Disconnect' errors in RDC Onsite after implementing a new A10 Load Balancer.

(Doc ID 2322643.1)

Last updated on NOVEMBER 03, 2017

Applies to:

Oracle Clinical Remote Data Capture Option - Version 5.0.1 and later
Information in this document applies to any platform.

Symptoms

A10 Load Balancer has recently been introduced and since doing so RDC Site Users are disconnected after 10-15 minutes / below errors appear :

RDC surround :

Because of inactivity, your session has timed out and is no longer active. Click OK to reload the page

Data Entry Window :

Error
The data entry window entered an unexpected error and will shut down. If the reason recurs, please report the following information for diagnostic purposes:
Log code xxx, User not logged in.

OpaServer1-diagnostic.log contains many entries like the below :

[2016-10-19T01:48:27.104-04:00] [OpaServer1] [ERROR] [] [org.apache.myfaces.trinidadinternal.application.StateManagerImpl] [tid: [ACTIVE].ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: <anonymous>] [ecid: 779d1af8c2fd55a5:488085a3:157517ad810:-8000-00000000000397cb,0] [APP: olsardc#5.0.1.9.2-b01] Could not find saved view state for token t2du1hgh8

[2016-10-19T01:48:27.104-04:00] [OpaServer1] [WARNING] [] [oracle.adfinternal.view.faces.context.RichExceptionHandler] [tid: [ACTIVE].ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: <anonymous>] [ecid: 779d1af8c2fd55a5:488085a3:157517ad810:-8000-00000000000397cb,0] [APP: olsardc#5.0.1.9.2-b01] ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase RESTORE_VIEW 1[[
javax.faces.application.ViewExpiredException: viewId:/Login - ADF_FACES-30107:The view state of the page has expired. Reload the page.
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._restoreView(LifecycleImpl.java:726)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:349)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:202)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:508)

 

Changes

 A10 Load Balancer has been introduced.

Cause

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