WebSocket13Channel exception when app is deployed in HA in EAP

Issue

• Are websockets distributable?
• Below errors are observed:

ERROR [org.infinispan.interceptors.impl.InvocationContextInterceptor] (default task-1) ISPN000136: Error executing command PrepareCommand, writing keys [SessionAttributesKey(lclisJRIbb1I-vREgszycGFjQSBL89zbLcGRGKfZ), SessionCreationMetaDataKey(lclisJRIbb1I-vREgszycGFjQSBL89zbLcGRGKfZ), SessionAccessMetaDataKey(lclisJRIbb1I-vREgszycGFjQSBL89zbLcGRGKfZ)]: 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@4604cdc3
in object java.util.ArrayList@4604cde2
in object java.util.HashMap@b05eadfb

 ERROR [org.infinispan.remoting.rpc.RpcManagerImpl] (transport-thread--p11-t22) 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@a3afe10
    in object java.util.ArrayList@a3afe2f
    in object java.util.HashMap@8e97243a