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Support Article

PEGA0090 - StreamServiceException: Cannot add new node



PEGA0090 alerts are generated multiple times (20K) per day.

Error Messages

[StreamServer.Default] [  STANDARD] [                    ] [                    ] (rvice.operation.StartOperation) ERROR   - Cannot start service [StreamServer.Default]. Will retry in 180 seconds. Remaining attempts: 2

com.pega.dsm.dnode.api.StreamServiceException: Cannot add new node. Make sure all listed nodes are available or reattach the volume from one of these nodes to this node.

[Node=5a3b3b22743be6116d7f8f2b00844b82, broker=1001]

Steps to Reproduce

Not Applicable

Root Cause

The Stream node was in the Unreachable status; and the node did not exist.


Perform the following local-chagne:
  1. Decommission all the Stream nodes.
  2. Stop the server.
  3. Truncate below tables:


  4. Delete the Pega Temp directory.
  5. Restart the server.

Published July 10, 2020 - Updated December 2, 2021

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