R 12.1 : Logon is Failing With Error mod_oc4j, shmcb_malloc attempt for 511994 Bytes failed (Doc ID 1062733.1)

Last updated on JULY 31, 2017

Applies to:

Oracle Applications DBA - Version 12.0.6 to 12.1.3 [Release 12 to 12.1]
Oracle E-Business Suite Technology Stack - Version 12.1.3 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.
***Checked for relevance on 31-Jul-2017***



Symptoms

After upgrading to Release 12.1.2 from Release 12.0.x, the following error is found in the Apache error logfile :

...
shmcb_malloc attempt for 511994 bytes failed
mod_oc4j: Failed to find a failover oc4j process for session request for destination: application://oacore (no island or jgroup).
...

Changes

Upgrade to 12.1.1 or 12.1.2.

Cause

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