Workflow Service Fails With: java.lang.OutOfMemoryError: unable to create new native thread (Doc ID 842968.1)

Last updated on AUGUST 08, 2017

Applies to:

Oracle Workflow - Version 11.5.10.2 to 12.1.3 [Release 11.5.10 to 12.1]
Information in this document applies to any platform.

Symptoms

On 11.5.10 RUP 5 in Production:
Service Component Workflow Deferred Notification Agent Listener has stopped with following error:

java.lang.OutOfMemoryError: unable to create new native thread

The issue can be reproduced at will with the following steps:
1. Log in to OAM.
2. Navigate to Service Component --> choose "Workflow Deferred Notification Agent Listener"
3. Notice it is stopped with error.

The issue has the following business impact:
Due to this issue, dashboard displays it as "critical" and none of the workflow function can be used.

Cause

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