<discovery-group name="dg-group1" refresh-timeout="10000" jgroups-channel="udp" jgroups-stack="udp"/>
...
                <connection-factory name="JGroupsConnectionFactory" entries="java:jboss/exported/jms/JGroupsConnectionFactory" discovery-group="dg-group1"/>

org.jboss.naming.remote.protocol.NamingIOException: Failed to lookup [Root exception is java.io.NotSerializableException: org.apache.activemq.artemis.api.core.ChannelBroadcastEndpointFactory@4d267ed4not serializable]
	at org.jboss.naming.remote.client.ClientUtil.namingException(ClientUtil.java:49)
	at org.jboss.naming.remote.protocol.v1.Protocol$1.execute(Protocol.java:104)
	at org.jboss.naming.remote.protocol.v1.RemoteNamingStoreV1.lookup(RemoteNamingStoreV1.java:95)
	at org.jboss.naming.remote.client.HaRemoteNamingStore$1.operation(HaRemoteNamingStore.java:276)
	at org.jboss.naming.remote.client.HaRemoteNamingStore.namingOperation(HaRemoteNamingStore.java:137)
	at org.jboss.naming.remote.client.HaRemoteNamingStore.lookup(HaRemoteNamingStore.java:272)
	at org.jboss.naming.remote.client.RemoteContext.lookupInternal(RemoteContext.java:104)
	at org.jboss.naming.remote.client.RemoteContext.lookup(RemoteContext.java:93)
	at org.jboss.naming.remote.client.RemoteContext.lookup(RemoteContext.java:146)
	at javax.naming.InitialContext.lookup(InitialContext.java:417)
	at org.jboss.jms.client.TestProducerSimple.startClient(TestProducerSimple.java:69)
	at org.jboss.jms.client.TestProducerSimple.main(TestProducerSimple.java:39)
Caused by: java.io.NotSerializableException: org.apache.activemq.artemis.api.core.ChannelBroadcastEndpointFactory@4d267ed4not serializable
	at org.apache.activemq.artemis.uri.JGroupsSchema.internalNewURI(JGroupsSchema.java:70)
	at org.apache.activemq.artemis.uri.JGroupsSchema.internalNewURI(JGroupsSchema.java:33)
	at org.apache.activemq.artemis.utils.uri.URISchema.newURI(URISchema.java:46)
	at org.apache.activemq.artemis.utils.uri.URIFactory.createSchema(URIFactory.java:78)
	at org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.toURI(ActiveMQConnectionFactory.java:119)
	at org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.writeExternal(ActiveMQConnectionFactory.java:83)
	at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(RiverMarshaller.java:842)
	at org.jboss.marshalling.AbstractObjectOutput.writeObject(AbstractObjectOutput.java:58)
	at org.jboss.marshalling.AbstractMarshaller.writeObject(AbstractMarshaller.java:111)
	at org.jboss.naming.remote.protocol.v1.Protocol$1$2.write(Protocol.java:138)
	at org.jboss.naming.remote.protocol.v1.WriteUtil.write(WriteUtil.java:61)
	at org.jboss.naming.remote.protocol.v1.Protocol$1.handleServerMessage(Protocol.java:128)
	at org.jboss.naming.remote.protocol.v1.RemoteNamingServerV1$MessageReciever$1.run(RemoteNamingServerV1.java:73)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: an exception which occurred:
	in object org.apache.activemq.artemis.jms.client.ActiveMQJMSConnectionFactory@41e2b36d