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Grid Control Performance: How to Troubleshoot OMS 10g Crash / Restart Issues? (Doc ID 964469.1)

Last updated on JANUARY 30, 2022

Applies to:

Enterprise Manager Base Platform - Version 10.2.0.1 to 10.2.0.5 [Release 10.2]
Information in this document applies to any platform.

Purpose

The purpose of this note is to help/guide Enterprise Manager Grid Control Administrators to effectively investigate, diagnose and verify OMS Crash / Restart issues.
For troubleshooting effectively, a good understanding of the following is essential:

  • Description of OMS Threads / Components:
    <Note 1097545.1>: Description of Important Java Threads in a 10g Grid Control Oracle Management Service (OMS) 
  • OMS Configuration Files:
    <Note 1080406.1>: Description of Important Configuration files in the 10g Oracle Management Service (OMS) Home of the Enterprise Manager Grid Control
  • Controlling the Log and Trace Files for OMS:
    <Note 229627.1>: How to Locate 10g Grid Control OMS Log / Trace Files and Control their Size and Other Details 
  • OMS Process Control (Start, Stop and Status) & Configuration:
    <Note 1081865.1>: Primary Note for 10g Grid Control OMS Process Control (Start, Stop and Status) & Configuration

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Quick Checklist
 Steps to Troubleshoot OMS Crash / Restart
 Common Causes for OMS Crash / Restart
 1. JVM Crash
 2. Unresponsive OC4J_EM process killed by OPMN
 3. HealthMonitor Restart
References

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