Looking at your stacktrace, and lightly looking into the HAPI code, my first
guess is this looks like a concurrency issue of some sort.
The method in the HAPI code throwing this exception is this:
private Position getTail(List<Position> theDefinitionPath) {
return theDefinitionPath.get(theDefinitionPath.size() - 1);
}
In a single-threaded application, that call should always be safe, but in this
case it is throwing an ArrayIndexOutOfBoundsException, indicating the size of
the list is being changed elsewhere (like in another thread).
I don’t know the HAPI codebase very well, so it’s tough to say if/how that
should be possible.
Here is semi-blind a guess though:
>From the stacktrace line here:
at ca.uhn.hl7v2.app.Responder.processMessage(Responder.java:91)
This is the method signature:
/**
* Processes an incoming message string and returns the response
message
* string. Message processing consists of parsing the message,
finding an
* appropriate Application and processing the message with it,
and encoding
* the response. Applications are chosen from among those
registered using
* <code>registerApplication</code>. The Parser is obtained from
the
* Connection associated with this Responder.
*/
protected String processMessage(String incomingMessageString)
throws HL7Exception {
It indicates message processors are chosen from the list of those registered
with “registerApplication”.
I do not know how that registration occurs, but is it possible that multiple
applications have been registered ?
Or that something has been instantiated multiple times somewhere?
From: Gay, Jim <g...@email.chop.edu>
Sent: Monday, January 28, 2019 1:47 PM
To: hl7api-devel@lists.sourceforge.net
Subject: [External] [HAPI-devel] ORU Ingest Error
All,
We are having an issue where our stream of ORU data suddenly stops receiving
data.
Console error message:
An exception occurred during the execution of the HapiMessageSupplier operator.
Processing element number 9 is terminating
The error log is attached to the email.
If anyone has any ideas I would love to hear from you.
Also, if anyone is using the ADT or ORU ingest and would like to share thoughts
and ideas feel free to reach out.
Thanks!
Jim Gay
Enterprise Analytics & Reporting
3401 Civic Center Blvd.
Philadelphia, PA 19104
267-426-1958
g...@email.chop.edu<mailto:g...@email.chop.edu> ● chop.edu
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