EJB in JBoss EAP 7 Could not create a connection for cluster node

Issue

EJB client connection does not work

2021-07-10 06:23:45,001 INFO  [org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager] (ejb-client-cluster-node-connection-creation-4-thread-1) Could not create a connection for cluster node ClusterNode{clusterName='ejb', nodeName='node1:server', clientMappings=[ClientMapping{sourceNetworkAddress=/0:0:0:0:0:0:0:0, sourceNetworkMaskBits=0, destinationAddress='127.0.0.1', destinationPort=9990}], resolvedDestination=[Destination address=127.0.0.1, destination port=9990]} in cluster ejb: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
...
        at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:294)
        at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:430)
        at org.jboss.ejb.client.remoting.NetworkUtil.connect(NetworkUtil.java:153)
        at org.jboss.ejb.client.remoting.NetworkUtil.connect(NetworkUtil.java:133)
        at org.jboss.ejb.client.remoting.ConnectionPool.getConnection(ConnectionPool.java:78)
        at org.jboss.ejb.client.remoting.RemotingConnectionManager.getConnection(RemotingConnectionManager.java:51)
        at org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager.getEJBReceiver(RemotingConnectionClusterNodeManager.java:79)
        at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:512)
        at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:486)