NotSerializableException WebSocket13Channel when enables HA in EAP 7

Solution Verified - Updated -


WebSocket work fine when running in a single EAP instance, but making the application distributable and using EAP HA features (deploying the application in two or more instances), get the below error:

ISPN000073: Unexpected error while replicating: org.infinispan.commons.marshall.NotSerializableException: io.undertow.websockets.core.protocol.version13.WebSocket13Channel
Caused by: an exception which occurred:
        in object io.undertow.websockets.core.protocol.version13.WebSocket13Channel@72ba417e


  • RedHat Enterprise Application Platform (EAP)
    • 7.2
    • 7.3

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