Impossible to access Dollar Universe: Unable to connect to UVMS: error 300 (-1)

Products

• CA Automic Dollar Universe

Issue/Introduction

After migrating all Dollar Universe nodes to the new Univiewer Management Server, it is not possible to connect to $U node.

Example of error messages in universe.log:

Unable to connect to UVMS: error 300 (-1)
Unable to connect to UVMS :0 (xx/yy)
u_gethostbyname_mf(+/) returns error: Unknown host (gethostbyname(+/) returns null pointer)

Environment

Release : 6.x and 7.x

Component : UVMS, DUAS

Cause

Wrong declaration of the node in UVMS.

Resolution

Troubleshooting steps:

1. Load the Dollar Universe environment (unienv) and then stop the Dollar Universe node:
   $UNI_DIR_EXEC/unistop
2. Remove the Node entry from the UVC -> Administration-> Nodes
3. Execute the command below to register the node again in the UVMS:
   $UNI_DIR_EXEC/unims -register -mshost <UVMS Hostname> -msport <UVMS Port number> -login <UVMS Admin user> -pwd <UVMS Admin password>
4. If there's no error message, restart the node.
5. Add the necessary Node Tags and update the Node views if needed via UVC.