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Unable To Get Portlet Response For Portlet Instance ID - WCP Bug 27144287 & ADF Bug 27343900 (Doc ID 2416801.1)

Last updated on JULY 03, 2018

Applies to:

Oracle WebCenter Portal - Version 11.1.1.9.161128 and later
Information in this document applies to any platform.

Symptoms

On : 11.1.1.9.161128 version, Runtime Issues, Performance and Monitoring

ACTUAL BEHAVIOR
-----------------------
Every two days users are receiving Portlet Consumer Error in a custom framework portal.  The log shows:

29-Oct-2017 19:23:34 o'clock CET> <Error> <oracle.portlet.binding> <BEA-000000> <An error has occurred for Portlet Binding <portlet_name>.
oracle.adf.model.portlet.binding.PortletBindingException: Unable to get portlet response for portlet instance ID /oracle/adf/portlet/<WsrpPortletProducer>/ap/<portlet_name> for portlet binding <portlet_name>_1.

 

Restarting the WC_Spaces managed servers solves the issue for a while but will re-occur. Also clearing the MDS cache fixes the issue temporarily:

Navigate Application Defined MBeans -> oracle.mds.lcm -> Server: <Your Server> -> Application: <Your Application> -> MDSAppRuntime -> MDSAppRuntime -> Select the Operations tab and press the clearCache hyperlink.

EXPECTED BEHAVIOR
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Users should not receive a Portlet Consumer Error in the custom portal.

BUSINESS IMPACT
-----------------------
WCP servers must be restarted to restore Portlets communications.  Due to this issue, users cannot access portlets due to PortletBindingException.

Changes

 

Cause

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