Hi,
I'm using Camel to pull a message from a queue and send it to a remote
server using MINA2. I've configured the endpoint like so:
String endpoint = baseEndpoint.copy()
.setQueue(entry.Route + "." + entry.Party + ".#")
.setRoutingKey(entry.Route + "." + entry.Party + ".#")
.setExclusive(true)
.build();
//Build outgoing TCP settings
minaComp.setCamelContext(getContext());
Mina2Configuration minaCfg = new Mina2Configuration();
minaCfg.setProtocol("tcp");
minaCfg.setCodec(new HL7MLLPCodec());
minaCfg.setHost(entry.IP);
minaCfg.setPort(entry.Port);
minaCfg.setSync(true);
minaCfg.setLazySessionCreation(true);
from(endpoint)
.autoStartup(entry.ConnectionStatus ==
InterfaceStatus.Up)
.routeId(String.format("%s.%s", entry.Party,
entry.Description))
.to(minaComp.createEndpoint(minaCfg))
.process(new Processor() {
@Override
public void process(Exchange exchange) throws
Exception {
StatusUpdate.Instance.send(
entry.IP,
String.valueOf(entry.Port),
InterfaceStatus.Up);
}
});
To summarise the above code, the message is picked up off of a RabbitMQ
queue, sent to a MINA2 endpoint and then post a status update to a web
service queue.
The issue is that the code above will send one HL7 message on a clean
connection. If I then leave the connection for an indeterminate amount of
time e.g. 30 minutes, then attempt to send a further message I get the
following error:
org.apache.camel.ExchangeTimedOutException: The OUT message was not received
within: 30000 millis.
If I run Wireshark I can see that the message attempted to be sent but no
ACK came back. However, when I run a netstat -a on the client I can see one
connection open and established. When I run a netstat -a on the server I can
see 2 connections. One is established, the second is a FIN_WAIT_2 state.
Does anyone know how to fix this? The server has other application
connecting and doesn't have this issue. All documentation on FIN_WAIT_2
indicates a buggy client but I can't see what's wrong. Any help would be
greatly appreciated.
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