Error "Could not access HTTP invoker remote service" is occurred during operation in ROC

Products

• CA Release Automation - Release Operations Center (Nolio)
• CA Release Automation - DataManagement Server (Nolio)

Issue/Introduction

Following error messages were sometimes occurred when operate deployment plan on Release Operations Center.

And then, deployment plan was failed.

 

• Error during populating flow descriptor

Cause: Could not access HTTP invoker remote service at [http://<Management Server>:8080/datamanagement/remoting/ExeutionModelService]; nested exception is org.apache.commons.httpclient.HttpExeption: Did not receive successful HTTP response: status = 400, status message = [Bad Request] Cause: Did not receive successful HTTP response: status code = 400, status message = [Bad Request]

• Error during retrieving workspace components

Cause: Could not access HTTP invoker remote service at [http://<Management Server>:8080/datamanagement/remoting/ActionsInfoManagement]; nested exception is java.io.EOFException

Environment

Release: NOLNAC99000-5.0-Nolio-Automation Center
Component:

Cause

Management Server (NAC) was unstable because heap size might be lacked.

Resolution

Need to increase heap size to be stabilize NAC performance.

Steps:

1. Open [RA Installation folder]/bin/catalina.bat on NAC using editor.
2. Modify heap size from 2G to 3G or bigger.
        set JAVA_OPTS=%JAVA_OPTS% -XX:MaxPermSize=256M -Xmx2G
   -> set JAVA_OPTS=%JAVA_OPTS% -XX:MaxPermSize=256M -Xmx3G
3. Restart Release Automation Server service.