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OCOMC: OutOfMemoryError Unable to Create New Native Thread (Doc ID 2276544.1)

Last updated on AUGUST 08, 2018

Applies to:

Oracle Communications Offline Mediation Controller - Version to [Release 6.0]
Information in this document applies to any platform.


On : version, NM Core

OCOMC : OutOfMemoryError : unable to create new native thread:

Getting following memory errors when starting  more nodes ( 80+)

Initialization; Error starting node; An error occurred while starting node 2xpzkx-16it-j1v6ag0x. java.lang.OutOfMemoryError: unable to create new native thread;
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
  at java.lang.reflect.Constructor.newInstance(
  at com.nt.udc.nodemgr.OSANodeMgr.createImplObject(
  at com.nt.udc.nodemgr.OSANodeMgr.startNode(
  at com.nt.udc.nodemgr.OSANodeMgr.startNode(
  at com.nt.udc.nodemgr.OSANodeMgr.access$2000(
  at com.nt.udc.nodemgr.OSANodeMgr$
  at com.nt.udc.nodemgr.OSANodeMgr$
  at java.util.concurrent.Executors$
  at java.util.concurrent.ThreadPoolExecutor.runWorker(
  at java.util.concurrent.ThreadPoolExecutor$
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
  at java.lang.Thread.start0(Native Method)
  at java.lang.Thread.start(
  at com.nt.udc.util.UDCSimpleTimer.start(
  at com.nt.udc.nar.NarWriter.start(
  at com.nt.udc.nar.NARFileManager.init(
  at com.nt.udc.nar.NARFileManager.(
  at com.nt.udc.nar.NARFileManager.(N


NOTE: Issue still persists even after increasing Java heap setting NM_MAX_MEMORY on the OCOMC configuration file.

Is there any other possible reason for the above OutOfMemoryError?




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