Execution Server is unreachable

Products

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

Issue/Introduction

One NES (Nolio Execution Server) becomes unreachable from NAC

NAC could ping NES without problem.
Ports TCP 61616 8080 and 8443 are not opened in both direction.
in case of SSL configuration NES Certificate is valid and correctly configured in NES keystore and NAC trustore.

 

In NAC log nolio_dm_all.log following message appears several times :

2024-09-17T14:07:35.095+03:00 [ExecutionServerStatusTask-98] INFO  (com.nolio.platform.server.dataservices.services.execmng.CheckExecutionConnectivityImpl:128) - ES [nes_name] is unreachable.

 

Environment

Release Automation - All Versions

Cause

One possible cause of this problem is that time on NES and/or NAC is not correct.

Example :
NES has the correct time but NAC has current time + 15 minutes

Resolution

Check the current time on NAC and NES. If there is a big difference (>5 minutes) correct the time on the NES or NAC.
Check the NTP service and NTP configuration.