MLLP Protocol Violation problem

[Ma Sk]

Hello guys,

i tried to send an ORU Message to my HAPI FHIR test server and i get an error while compiling.

"

13:26:29.471 [hapi-worker-1] DEBUG ca.uhn.hl7v2.concurrent.Service - Prepare to stop thread Receiver

13:26:29.474 [hapi-worker-1] ERROR ca.uhn.hl7v2.app.Receiver - Unexpected error, closing connection from 127.0.0.1:8080 - 

ca.uhn.hl7v2.llp.LLPException: MLLP protocol violation - Expected byte '11' in state START but was '72'

at ca.uhn.hl7v2.llp.MllpDecoderState.read(MllpDecoderState.java:137)

at ca.uhn.hl7v2.llp.MllpDecoder.getMessage(MllpDecoder.java:63)

at ca.uhn.hl7v2.llp.Hl7DecoderReader.getMessage(Hl7DecoderReader.java:84)

at ca.uhn.hl7v2.llp.MinLLPReader.getMessage(MinLLPReader.java:33)

at ca.uhn.hl7v2.app.Receiver.handle(Receiver.java:63)

at ca.uhn.hl7v2.concurrent.Service.run(Service.java:205)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

at java.base/java.lang.Thread.run(Thread.java:835)

13:26:29.474 [hapi-worker-1] DEBUG ca.uhn.hl7v2.concurrent.Service - Thread Receiver leaving main loop

ca.uhn.hl7v2.HL7Exception: Timeout waiting for response to message with control ID 7801

at ca.uhn.hl7v2.app.ActiveInitiator.sendAndReceive(ActiveInitiator.java:153)

"

I tried the same with the HAPI Testpanel and it worked, but now with a "jpaserver" installed via Docker it doesn´t.

I checked that my firewall isn´t having problems with the port. The port is definitely listening and i can go to the localhost:8080 website in my browser.

Does somebody know what exactly the red output line means?

Thanks in advance

[James Agnew]

Hi Ma,

HL7 v2.x and HL7 FHIR are different protocols. You can't send an HL7 v2.x message to a FHIR server. You'd need to write a converter to convert your content, or use a product that does this.

Cheers,

James

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[Ma Sk]

That makes sense.

Thanks for your answer.

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