I am getting an error on a post request, on checking the log file the error displayed is - [pool-173-thread-1] ERROR com.neotys.communication.endpoint.CallImpl - com.neotys.nl.agent.transport.AgentServiceLg.handleRequest(afff0a7f-f147-45f9-86af-ecd208808e70) error while sending request
java.util.concurrent.ExecutionException: java.io.IOException: Transport has been disconnected
at com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299)
at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:272)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:96)
at com.neotys.communication.endpoint.CallWithTimeoutImpl.callTransport(CallWithTimeoutImpl.java:49)
at com.neotys.communication.endpoint.CallImpl$EndPointHandler.invoke(CallImpl.java:50)
at com.sun.proxy.$Proxy47.handleRequest(Unknown Source)
at com.neotys.nl.controller.al.a(al.java:177)
at com.neotys.nl.controller.q.ah.run(ah.java:2922)
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: java.io.IOException: Transport has been disconnected
at com.neotys.communication.endpoint.ResponsesImpl.disconnectTransport(ResponsesImpl.java:47)
at com.neotys.communication.endpoint.EndPointsRegistryImpl.internalTransportDisconnected(EndPointsRegistryImpl.java:226)
at com.neotys.communication.endpoint.EndPointsRegistryImpl.transportDisconnected(EndPointsRegistryImpl.java:218)
at com.neotys.communication.reliable.transport.client.ReliableClientListener.reliableTransportDisconnected(ReliableClientListener.java:68)
at com.neotys.communication.reliable.transport.client.ReliableClientTransportImpl.disconnect(ReliableClientTransportImpl.java:206)
at com.neotys.nl.agent.transport.ControllerTransportApiFactory.closeTransportForEndpoint(ControllerTransportApiFactory.java:261)
at com.neotys.nl.controller.ax.b(ax.java:206)
at com.neotys.nl.controller.ay.run(ay.java:171)
at com.neotys.nl.agent.transport.TransportDownListener.doRun(TransportDownListener.java:26)
at com.neotys.nl.agent.transport.TransportDownListener.transportDestroyed(TransportDownListener.java:21)
at com.neotys.communication.reliable.transport.ReliableTransportLifecycles.fireTransportDestroyed(ReliableTransportLifecycles.java:64)
at com.neotys.communication.reliable.transport.client.ReliableClientTransportImpl.setDeadTransport(ReliableClientTransportImpl.java:223)
at com.neotys.communication.reliable.transport.AbstractReliableTransport.disconnectSilently(AbstractReliableTransport.java:85)
at com.neotys.communication.reliable.transport.client.ReliableClientTransportImpl.disconnectSilently(ReliableClientTransportImpl.java:214)
at com.neotys.communication.reliable.transport.client.ReliableClientListener.transportRemotelyDisconnected(ReliableClientListener.java:51)
at com.neotys.communication.transport.fragments.FragmentClientListener.transportRemotelyDisconnected(FragmentClientListener.java:29)
at com.neotys.communication.transport.websocket.client.WebSocketClientTransport.doDisconnect(WebSocketClientTransport.java:415)
at com.neotys.communication.transport.client.AbstractScheduledServiceClientTransport.shutDown(AbstractScheduledServiceClientTransport.java:196)
at com.google.common.util.concurrent.AbstractScheduledService$1$4.run(AbstractScheduledService.java:227)
at com.google.common.util.concurrent.Callables$3.run(Callables.java:95)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
... 3 more

any idea what could be causing this?
Thanks!