Menu
▾
▴
Re: [HAPI-devel] Trouble receiving messages usubg SendAndReceiveaMessage example
|
From: James A. <jam...@gm...> - 2017-08-03 11:28:21
|
Hi Tom, If you are able to, a pull request against the GitHub Project <https://github.com/hapifhir/hapi-hl7v2> would be gratefully accepted. Cheers, James On Thu, Aug 3, 2017 at 7:00 AM, Tom Chiverton <tc...@ex...> wrote: > Here's a patch against the current trunk that adds this support. > > Using a modified version of the send and receive example with a new build > is easy: > > HL7Service server = context.newServer(4567, false, true); // port, > tls, accept all > My server is now able to receive these unsolicited ACKs > > Tom > > > On 02/08/17 10:34, Jens Villadsen wrote: > > Unsolicited ACK's are a bit weird to receive. While I can agree that it > would be nice if the behavior was configurable, it is currently not the > case (as you found out). I guess the case where it makes sense would be in > the case where your opposing system is supporting enhanced > acknowledgements, which HAPI does not really support (the case where an > acknowledgement is sent to you first as a transport ack, and then an > application ack). HAPI only supports a single ack to each message. > > On 2 August 2017 at 11:09, Tom Chiverton <tc...@ex...> wrote: > >> I'm receiving this message from another server (I don't know why). We're >> building an interface between our app and a HL7 server, and the first step >> is just getting the HL7 messages off the wire and storing them. >> >> The Reciever implementation is making a hard coded policy decision that >> my application that's using it does not want to know about some HL7 >> messages. >> >> This should be configurable, at the very least ? >> >> I've had a rough delve through the code, and it seems because Reciever >> isn't an interface, you have to replace whole chunks of other classes as >> well - I think I ended up with over a half dozen cloned classes in my >> package because thing's were private or package and so I couldn't extend >> them easily. >> >> Maybe it would be easier to have a setting (in HapiContext) about what to >> do with them ? >> Tom >> >> On 02/08/17 10:02, Jens Villadsen wrote: >> >> Why would you send an unexpected ACK back to the server? >> >> On 31 July 2017 at 17:00, Tom Chiverton <tc...@ex...> wrote: >> >>> *AH HA*. >>> >>> There's a 3 year old bug with HAPI [1] where it throws away messages if >>> they are unexpected replies. >>> >>> I don't see a way to replace the Receiver instance in use by >>> SimpleServer ? >>> >>> Tom >>> >>> [1] https://sourceforge.net/p/hl7api/feature-requests/88/?limit=25 >>> >>> On 31/07/17 14:51, Tom Chiverton wrote: >>> >>> Hi, >>> >>> Sorry I wasn't clear, but further down my RecivingApplication >>> implementation I do have that : >>> >>> public Message processMessage(Message theMessage, Map<String, Object> >>> theMetadata) throws ReceivingApplicationException, HL7Exception { >>> String encodedMessage = new DefaultHapiContext().getPipePa >>> rser().encode(theMessage); >>> System.out.println("Received message:\n" + encodedMessage + >>> "\n\n"); >>> >>> } >>> >>> This never outputs. >>> >>> Tom >>> >>> On 31/07/17 14:46, Jens Villadsen wrote: >>> >>> Take a look at the example found at http://hl7api.sourceforge.n >>> et/xref/ca/uhn/hl7v2/examples/SendAndReceiveAMessage.html and >>> http://hl7api.sourceforge.net/xref/ca/uhn/hl7v2/examples >>> /ExampleReceiverApplication.html >>> >>> What you probably would like to look at is the "processMessage" >>> >>> >>> >>> >>> On 31 July 2017 at 12:05, Tom Chiverton <tc...@ex...> wrote: >>> >>>> Given >>>> >>>> >>>> public class EvReceiverApplication implements ReceivingApplication { >>>> >>>> public boolean canProcess(Message theIn) { >>>> System.out.println("Received message: canProcess true"); >>>> return true; >>>> } >>>> >>>> .... >>>> >>>> >>>> I never see this output when a message is received. So it's like the >>>> receiver is not registered ? >>>> >>>> >>>> I am doing >>>> >>>> >>>> HL7Service server = context.newServer(port, useTls); >>>> >>>> ReceivingApplication handler = new EvReceiverApplication(); >>>> >>>> server.registerApplication("*", "*", handler); >>>> >>>> server.startAndWait(); >>>> >>>> Tom >>>> >>>> >>>> On 31/07/17 10:24, Tom Chiverton wrote: >>>> >>>> I have used >>>> http://hl7api.sourceforge.net/xref/ca/uhn/hl7v2/examples/Sen >>>> dAndReceiveAMessage.html >>>> >>>> to build a simple app that should listen for all messages, and echo >>>> them to the console ( server.registerApplication("*", "*", handler); ). >>>> >>>> >>>> However, although I get a line from the connectionReceived method, and >>>> none from an output I added to the exceptionHandler, I do not get anything >>>> from my processMessage() code. >>>> >>>> >>>> Java 1.8 on Ubuntu Server, with the latest HAPI library. I can confirm >>>> I am getting a message (admittedly it's MSA is "MSA|AA|245635223|Failure") >>>> with a Wireshark packet capture. >>>> >>>> >>>> Any ideas what could be up ? >>>> -- >>>> *Tom Chiverton* >>>> Lead Developer >>>> e: tc...@ex... >>>> p: 0161 817 2922 >>>> t: @extravision <http://www.twitter.com/extravision> >>>> w: www.extravision.com >>>> [image: Extravision - email worth seeing] <http://www.extravision.com/> >>>> Registered in the UK at: First floor, Tomorrow, MediaCityUK, >>>> Manchester, M50 2AB. >>>> Company Reg No: 05017214 VAT: GB 824 5386 19 <24%2053%2086%2019> >>>> >>>> This e-mail is intended solely for the person to whom it is addressed >>>> and may contain confidential or privileged information. >>>> Any views or opinions presented in this e-mail are solely of the author >>>> and do not necessarily represent those of Extravision Ltd. >>>> >>>> ______________________________________________________________________ >>>> This email has been scanned by the Symantec Email Security.cloud >>>> service. >>>> For more information please visit http://www.symanteccloud.com >>>> ______________________________________________________________________ >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Check out the vibrant tech community on one of the world's most >>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>>> >>>> >>>> >>>> _______________________________________________ >>>> Hl7api-devel mailing lis...@li...https://lists.sourceforge.net/lists/listinfo/hl7api-devel >>>> >>>> >>>> >>>> ------------------------------------------------------------ >>>> ------------------ >>>> Check out the vibrant tech community on one of the world's most >>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>>> _______________________________________________ >>>> Hl7api-devel mailing list >>>> Hl7...@li... >>>> https://lists.sourceforge.net/lists/listinfo/hl7api-devel >>>> >>>> >>> >>> >>> -- >>> >>> Med venlig hilsen / Kind regards >>> >>> *Jens Kristian Villadsen* >>> cand.polyt >>> >>> Stålhøjen 24 >>> 8240 Risskov >>> Denmark >>> >>> Mobile +4523373806 <23%2037%2038%2006> >>> jen...@gm... >>> >>> ______________________________________________________________________ >>> This email has been scanned by the Symantec Email Security.cloud service. >>> For more information please visit http://www.symanteccloud.com >>> ______________________________________________________________________ >>> >>> >>> >>> ______________________________________________________________________ >>> This email has been scanned by the Symantec Email Security.cloud service. >>> For more information please visit http://www.symanteccloud.com >>> ______________________________________________________________________ >>> >>> >>> ------------------------------------------------------------------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> >>> >>> >>> _______________________________________________ >>> Hl7api-devel mailing lis...@li...https://lists.sourceforge.net/lists/listinfo/hl7api-devel >>> >>> >>> >>> ------------------------------------------------------------ >>> ------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> _______________________________________________ >>> Hl7api-devel mailing list >>> Hl7...@li... >>> https://lists.sourceforge.net/lists/listinfo/hl7api-devel >>> >>> >> >> >> -- >> >> Med venlig hilsen / Kind regards >> >> *Jens Kristian Villadsen* >> cand.polyt >> >> Stålhøjen 24 >> 8240 Risskov >> Denmark >> >> Mobile +4523373806 <23%2037%2038%2006> >> jen...@gm... >> >> ______________________________________________________________________ >> This email has been scanned by the Symantec Email Security.cloud service. >> For more information please visit http://www.symanteccloud.com >> ______________________________________________________________________ >> >> >> >> ------------------------------------------------------------ >> ------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> _______________________________________________ >> Hl7api-devel mailing list >> Hl7...@li... >> https://lists.sourceforge.net/lists/listinfo/hl7api-devel >> >> > > > -- > > Med venlig hilsen / Kind regards > > *Jens Kristian Villadsen* > cand.polyt > > Stålhøjen 24 > 8240 Risskov > Denmark > > Mobile +4523373806 <+45%2023%2037%2038%2006> > jen...@gm... > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please visit http://www.symanteccloud.com > ______________________________________________________________________ > > > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Hl7api-devel mailing list > Hl7...@li... > https://lists.sourceforge.net/lists/listinfo/hl7api-devel > > |
