@Test
public void testXPathRouterNoChannelResolver() {
// Build the route
DirectChannel inputChannel = new DirectChannel();
inputChannel.setBeanName("input");
XPathRouter router = new XPathRouter("//subject/text()");
router.setEvaluateAsString(true);
inputChannel.subscribe(router);
// Create message
Object correlationId = "123-ABC";
String xmlSource = "<xml><subject>test</subject></xml>";
Message<String> message =
MessageBuilder.withPayload(xmlSource).setCorrelationId(correlationId).build();
// Send and receive message synchronously
MessagingTemplate template = new MessagingTemplate(inputChannel);
try {
Message<?> reply = template.sendAndReceive(message);
assertFalse("should fail", true);
} catch (MessageHandlingException ex) {
assertTrue(ex.getMessage().contains("error occurred in message handler"));
assertTrue(
ex.getCause()
.getMessage()
.contains("unable to resolve channel names, no ChannelResolver available"));
}
}
/**
* Writes the message payload to the underlying socket, using the specified message format.
*
* @see
* org.springframework.messaging.MessageHandler#handleMessage(org.springframework.messaging.Message)
*/
@Override
public void handleMessageInternal(final Message<?> message) throws MessageHandlingException {
if (this.serverConnectionFactory != null) {
// We don't own the connection, we are asynchronously replying
Object connectionId = message.getHeaders().get(IpHeaders.CONNECTION_ID);
TcpConnection connection = null;
if (connectionId != null) {
connection = connections.get(connectionId);
}
if (connection != null) {
try {
connection.send(message);
} catch (Exception e) {
logger.error("Error sending message", e);
connection.close();
if (e instanceof MessageHandlingException) {
throw (MessageHandlingException) e;
} else {
throw new MessageHandlingException(message, "Error sending message", e);
}
} finally {
if (this.isSingleUse) { // close after replying
connection.close();
}
}
} else {
logger.error("Unable to find outbound socket for " + message);
MessageHandlingException messageHandlingException =
new MessageHandlingException(message, "Unable to find outbound socket");
publishNoConnectionEvent(messageHandlingException, (String) connectionId);
throw messageHandlingException;
}
return;
} else {
// we own the connection
TcpConnection connection = null;
try {
connection = doWrite(message);
} catch (MessageHandlingException e) {
// retry - socket may have closed
if (e.getCause() instanceof IOException) {
if (logger.isDebugEnabled()) {
logger.debug("Fail on first write attempt", e);
}
connection = doWrite(message);
} else {
throw e;
}
} finally {
if (connection != null
&& this.isSingleUse
&& this.clientConnectionFactory.getListener() == null) {
// if there's no collaborating inbound adapter, close immediately, otherwise
// it will close after receiving the reply.
connection.close();
}
}
}
}
