On Mar 21, 2013, at 4:46 PM, Julien Martin wrote: > Hello, > > I have the following Spring MVC 3.2 code (it uses the DeferredResult > class<http://static.springsource.org/spring/docs/3.2.2.RELEASE/javadoc-api/org/springframework/web/context/request/async/DeferredResult.html> > ): > > @RequestMapping(value = "getMessages", method = RequestMethod.GET, > produces = "application/json") > @ResponseBody > public DeferredResult<List<Message>> getMessages(@RequestParam > final Long senderId) { > final Long recipientId = memberService.retrieveCurrentMember().getId(); > final String messageRequestKey = new > StringBuilder().append(senderId).append(":").append(recipientId).toString(); > final DeferredResult<List<Message>> deferredResult = new > DeferredResult<List<Message>>(null, Collections.emptyList()); > messageRequests.put(messageRequestKey, deferredResult); > > deferredResult.onCompletion(new Runnable() { > @Override > public void run() { > messageRequests.remove(messageRequestKey); > } > }); > > List<Message> unReadMessages = > messageService.findUnreadMessages(senderId, recipientId); > if (!unReadMessages.isEmpty()) { > deferredResult.setResult(unReadMessages); > } > return deferredResult; > } > > This method is polled continuously by an ajax call and it > systematically *causes > Tomcat to crash upon the 9th method invocation*. Note that Tomcat crashes > without any error message.
Can you define "crash" a little better? Is the Tomcat process still running? If so, is it answering any requests? If so, what happens if you send a request to this resource? Do you get a 4xx / 5xx error? Does it hang? Also, what does your <Connector/> look like? Dan > > *I would be very grateful if someone could help me determine the reason why > this code exhibits this behavior, perhaps by giving me tips on how to debug > the app/tomcat.* > > Regards, > > Julien. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
