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我正在通过一个EJB教程，其中我的客户端程序通过远程无状态EJB调用方法来添加一本书。退出时，客户端检索并打印来自EJB的所有书籍（我知道将数据存储在无状态EJB中的列表中并不是一个好主意）。所有这些工作都很好，除了最初的RMI还返回以下异常（我也包含了客户端测试的完整输出）。初始EJB RMI有效，但有例外
客户端输出：
Nov 29, 2016 11:34:29 PM org.jboss.ejb.client.EJBClient <clinit>
INFO: JBoss EJB Client version 2.1.4.Final
**********************
Welcome to Book Store
**********************
Options
1. Add Book
2. Exit
Enter Choice: 1
Enter book name: Some book
Nov 29, 2016 11:34:44 PM org.xnio.Xnio <clinit>
INFO: XNIO version 3.4.0.Final
Nov 29, 2016 11:34:44 PM org.xnio.nio.NioXnio <clinit>
INFO: XNIO NIO Implementation Version 3.4.0.Final
Nov 29, 2016 11:34:44 PM org.jboss.remoting3.EndpointImpl <clinit>
INFO: JBoss Remoting version 4.0.21.Final
Nov 29, 2016 11:34:45 PM org.jboss.ejb.client.remoting.VersionReceiver handleMessage
INFO: EJBCLIENT000017: Received server version 2 and marshalling strategies [river]
Nov 29, 2016 11:34:45 PM org.jboss.ejb.client.remoting.RemotingConnectionEJBReceiver associate
INFO: EJBCLIENT000013: Successful version handshake completed for receiver context EJBReceiverContext{[email protected], receiver=Remoting connection EJB receiver [connectio[email protected]271053e1,channel=jboss.ejb,nodename=slave01:server01]} on channel Channel ID 87a6ebda (outbound) of Remoting connection 64bfbc86 to /127.0.0.1:8133 of endpoint "client-endpoint" <64bf3bbf>
Nov 29, 2016 11:34:45 PM org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager getEJBReceiver
INFO: Could not create a connection for cluster node ClusterNode{clusterName='ejb', nodeName='slave01:server01', clientMappings=[ClientMapping{sourceNetworkAddress=/0:0:0:0:0:0:0:0, sourceNetworkMaskBits=0, destinationAddress='0.0.0.0', destinationPort=8080}], resolvedDestination=[Destination address=0.0.0.0, destination port=8080]} in cluster ejb
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.xnio.nio.WorkerThread$ConnectHandle.handleReady(WorkerThread.java:321)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)
at ...asynchronous invocation...(Unknown Source)
at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:294)
at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:430)
at org.jboss.ejb.client.remoting.NetworkUtil.connect(NetworkUtil.java:153)
at org.jboss.ejb.client.remoting.NetworkUtil.connect(NetworkUtil.java:133)
at org.jboss.ejb.client.remoting.ConnectionPool.getConnection(ConnectionPool.java:78)
at org.jboss.ejb.client.remoting.RemotingConnectionManager.getConnection(RemotingConnectionManager.java:51)
at org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager.getEJBReceiver(RemotingConnectionClusterNodeManager.java:79)
at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:469)
at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:443)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
**********************
Welcome to Book Store
**********************
Options
1. Add Book
2. Exit
Enter Choice: 2
Book(s) entered so far: 2
1. test1
2. Some book
***Using second lookup to get library stateless object***
Book(s) entered so far: 2
1. test1
2. Some book
所以一切都与客户端，而不是例外等，似乎正常工作。我怀疑这个问题与zero'd out节点地址有关，但我不确定。客户端属性文件在下面（如果配置不正确）。
jboss-ejb-clients.properties：
endpoint.name=client-endpoint
remote.connectionprovider.create.options.org.xnio.Options.SSL_ENABLED=false
invocation.timeout=3000
reconnect.tasks.timeout=2000
# User Credentials
username=user
password=pass
# Remote Connections
remote.connections=h1,h2
remote.connection.h1.host=127.0.0.1
remote.connection.h1.port=8133
remote.connection.h1.username=user
remote.connection.h1.password=pass
remote.connection.h2.host=127.0.0.1
remote.connection.h2.port=8134
remote.connection.h2.username=user
remote.connection.h2.password=pass
# Cluster
remote.clusters=ejb
remote.cluster.ejb.connect.timeout=2500
remote.cluster.ejb.max-allowed-connected-nodes=2
remote.cluster.ejb.connect.options.org.xnio.Options.SASL_POLICY_NOANONYMOUS=false
remote.cluster.ejb.connect.options.org.xnio.Options.SSL_ENABLED=false
remote.cluster.ejb.username=user
remote.cluster.ejb.password=pass