APM Enterprise Manager Windows service stops due to APM Wrapper configuration

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

The APM Enterprise Manager (EM) Windows service stops automatically after startup. The application logs may indicate an issue initializing the service wrapper.

Symptoms:

• The Enterprise Manager service starts and then immediately transitions to a 'Stopped' state.
• EM logs show failures and shutdown : " WARN caught unexpected exception while sending timer notification, java.util.concurrent.RejectedExecutionException"

Environment

• APM 10.8
• Windows Operating System

Cause

This issue occurs due to a configuration issue in the APM Wrapper settings within the EMService.conf file.

Resolution

To resolve this issue, update the EM Service configuration file:

1. Navigate to the Enterprise Manager installation directory
2. Open the  bin\EMService.conf file in a text editor.
3. Locate the wrapper configuration sections and verify the paths for the Java executable and library files.
4. Apply the required updates to the Wrapper properties to ensure compatibility with the current environment.
5. Save the file and close the editor.
6. Restart the Enterprise Manager Windows service.