Remote Naming throws org.jboss.remoting3.NotOpenException: Writes closed

java.rmi.RemoteException: Call invocation failed; nested exception is: 
	javax.xml.rpc.JAXRPCException: javax.naming.NamingException: Failed to lookup [Root exception is org.jboss.remoting3.NotOpenException: Writes closed]
	at org.jboss.ws.core.jaxrpc.client.CallImpl.invokeInternal(CallImpl.java:549)
	at org.jboss.ws.core.jaxrpc.client.CallImpl.invoke(CallImpl.java:289)
	at org.jboss.ws.core.jaxrpc.client.PortProxy.invoke(PortProxy.java:157)
	at $Proxy3.helloEnvEntry(Unknown Source)
	at org.jboss.test.ws.jaxrpc.enventry.EnvEntryEJBTestCase.testEndpoint(EnvEntryEJBTestCase.java:71)
Caused by: javax.xml.rpc.JAXRPCException: javax.naming.NamingException: Failed to lookup [Root exception is org.jboss.remoting3.NotOpenException: Writes closed]
	at org.jboss.test.ws.jaxrpc.enventry.EnvEntryHandler.handleRequestAndResponse(EnvEntryHandler.java:99)
	at org.jboss.test.ws.jaxrpc.enventry.EnvEntryHandler.handleResponse(EnvEntryHandler.java:61)
	at org.jboss.ws.core.jaxrpc.handler.HandlerWrapper.handleResponse(HandlerWrapper.java:144)
	at org.jboss.ws.core.jaxrpc.handler.HandlerChainBaseImpl.handleResponseInternal(HandlerChainBaseImpl.java:377)
	at org.jboss.ws.core.jaxrpc.handler.HandlerChainBaseImpl.handleResponse(HandlerChainBaseImpl.java:343)
	at org.jboss.ws.core.jaxrpc.client.CallImpl.callResponseHandlerChain(CallImpl.java:575)
	at org.jboss.ws.core.CommonClient.invoke(CommonClient.java:409)
	at org.jboss.ws.core.jaxrpc.client.CallImpl.invokeInternal(CallImpl.java:530)
	... 36 more
Caused by: javax.naming.NamingException: Failed to lookup [Root exception is org.jboss.remoting3.NotOpenException: Writes closed]
	at org.jboss.naming.remote.client.ClientUtil.namingException(ClientUtil.java:36)
	at org.jboss.naming.remote.protocol.v1.Protocol$1.execute(Protocol.java:101)
	at org.jboss.naming.remote.protocol.v1.RemoteNamingStoreV1.lookup(RemoteNamingStoreV1.java:76)
	at org.jboss.naming.remote.client.RemoteContext.lookup(RemoteContext.java:77)
	at org.jboss.naming.remote.client.RemoteContext.lookup(RemoteContext.java:81)
	at javax.naming.InitialContext.lookup(InitialContext.java:392)
	at org.jboss.test.ws.jaxrpc.enventry.EnvEntryHandler.handleRequestAndResponse(EnvEntryHandler.java:82)
	... 43 more
Caused by: org.jboss.remoting3.NotOpenException: Writes closed
	at org.jboss.remoting3.remote.RemoteConnectionChannel.openOutboundMessage(RemoteConnectionChannel.java:107)
	at org.jboss.remoting3.remote.RemoteConnectionChannel.writeMessage(RemoteConnectionChannel.java:296)
	at org.jboss.naming.remote.protocol.v1.WriteUtil.write(WriteUtil.java:59)
	at org.jboss.naming.remote.protocol.v1.Protocol$1.execute(Protocol.java:73)
	... 48 more