Hi All,
I have a problem with a program where it appears that objects are never
released from memory. We are using Apache Camel and the HL7 component to
read in HL7 messages. Everything is working, however after a few thousand
messages, the program slows down and eventually stops working. We use
JProfiler to determine where the issue may be coming from. We noticed that
there are Object[], ArrayList, and other HL7 objects that are never cleaned
by the GC and they just kept on growing. When the message gets unmarshaled
it creates all of the objects like arrays, etc.
Currently we are using Camel 2.15.0 with Hapi 2.2.
The code we have for the message processing:
HL7DataFormat hl7 = new HL7DataFormat();
HapiContext hapiContext = new DefaultHapiContext();
hapiContext.getParserConfiguration().setValidating(false);
hl7.setHapiContext(hapiContext);
from("mina2:tcp://" + server + ":" + port +
"?sync=true&codec=#hl7codec")
.unmarshal(hl7)
.onException(Exception.class)
.handled(true)
.transform(ack())
.end()
.validate(messageConforms())
.choice()
.when(header("CamelHL7TriggerEvent").isEqualTo("A01")).to("mock:a01").beanRef("adtMessageHandler",
"handleAdmit").to("mock:a19").transform(ack())
.when(header("CamelHL7TriggerEvent").isEqualTo("A02")).to("mock:a02").beanRef("adtMessageHandler",
"handleTransfer").to("mock:a19").transform(ack())
.when(header("CamelHL7TriggerEvent").isEqualTo("A03")).to("mock:a03").beanRef("adtMessageHandler",
"handleDischarge").to("mock:a19").transform(ack())
...
.end()
.marshal(hl7);
We tried many things like onCompletion() and process() but the objects
continue to stay in memory. Any suggestions would be greatly appreciated.
Thank you in advance.
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