The bug Id is 3471571.
On Jan 9, 2012, at 4:42 PM, James Agnew wrote:
> Hi Rahul,
>
> Looks like you have uncovered a bug in HAPI. I tried it locally and I see the
> same thing as you: Basically, the "generateACK()" method is not actually
> honoring your ModelClassFactory, so it's trying to instantiate the 2.4
> version of the structure.
>
> The easiest workaround is probably to change the valud of MSH-12 on your
> message to "2.6" right before calling "generateACK". This will have the side
> effect that the MSH-12 value in the ACK message will then be set to "2.6", so
> you may need to change it back before doing whatever you are doing with it.
>
> If you don't mind to submit a report, that would be great. I'm sure we can
> get this fixed for the next release of HAPI (which we should have a beta of
> fairly soon).
>
> Cheers,
> James
>
> On Mon, Jan 9, 2012 at 12:36 PM, Rahul Somasunderam
> <[email protected]> wrote:
> Hi,
>
> I'm using Canonical MCF to parse a message. Then I'm using generateACK on the
> message. This causes a ClassNotFoundException. I'm using HAPI 1.2, if that
> matters.
>
> This is my code (in Groovy)
>
> def messageString = context.messageContent
> def cmcf = new CanonicalModelClassFactory("2.6")
> def parser = new PipeParser(cmcf)
> parser.setValidationContext(new NoValidation())
> def message = parser.parse(messageString)
>
> ... (app logic) ...
>
> def ack = message.generateACK()
> return ack.encode()
>
> This is the most significant part of the exception:
>
> ca.uhn.hl7v2.HL7Exception: Can't instantiate ACK of class
> ca.uhn.hl7v2.model.v24.message.ACK: java.lang.ClassNotFoundException
> at
> ca.uhn.hl7v2.app.DefaultApplication.makeACK(DefaultApplication.java:150)
> at
> ca.uhn.hl7v2.model.AbstractMessage.generateACK(AbstractMessage.java:213)
> at
> ca.uhn.hl7v2.model.AbstractMessage.generateACK(AbstractMessage.java:205)
> at
> messaging.MessageReceiverService$$ENLWsoN6.process(MessageReceiverService.groovy:24)
>
>
> Is there a known workaround for this? Do you want me to submit a test
> case/file a report?
>
> R,
> rahul
>
>
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