spectrumgtw doesn't start

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

I tried restarting the spectrumgtw probe and then the hub and still the spectrumgtw probe comes ui as red in IM.  Logs show several errors indicating issues communicating with UIM:

May 01 2019 07:34:02,610 [twScheduler_Worker-7] ERROR HeartBeatRestImpl - NAS/EMS or Spectrum is down stopping the schedulers .. NAS/EMS down : true Spectrum down : false
May 01 2019 07:34:12,166 [main] INFO com.nimsoft.nimbus.NimProbeBase - subscribe to queue alarm failed ((80) Session error, Unable to open a client session for 10.139.28.20:48002: Connection refused: connect), trying subscribe to subject udm_inventory

And then max restarts is reached:

May 1 07:51:13:911 [11624] Controller: Max. restarts reached for probe 'spectrumgtw' (command = <startup java>)

Environment

Release : 8.51 SP1

Component : UNIFIED INFRASTRUCTURE MGMT

Spectrumgtw 8.6.5 HF 10

Cause

Server had encountered storage issues and needed to be reconnected.  The spectrumgtw probe had become corrupted during this process.

Resolution

We backed up the config and deleted/redeployed the probe. The probe started up without issues with OOTB config. We applied the old config. The probe came up, received good connection, and communications started working. Alarms started showing up.