Hi all,

I am working on sending hl7 message to OpenHIE <http://demo.ohie.org/> over
HTTP, I am using this example of HAPI.
<http://hl7api.sourceforge.net/hapi-hl7overhttp/doc_hapi.html>
Since I am working with hapi v2.0 I have changed the below line of code

> Parser parser = PipeParser.getInstanceWithNoValidation();          to

Parser parser = new GenericParser();

as it was added only in v2.2.
However I am still not getting a successful result. At the below line I am
facing an exception,

> HohClientSimple client = new HohClientSimple(host, port, uri, parser);


Exception:
SLF4J: The requested version 1.6 by your slf4j binding is not compatible
with [1.5.5, 1.5.6]
SLF4J: See http://www.slf4j.org/codes.html#version_mismatch for further
details.
ERROR - LoggingAdvice.invoke(126) |2014-07-16 23:02:01,792| An error
occurred while executing this method. Error message: loader constraint
violation: when resolving method
"org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;"
the class loader (instance of org/openmrs/module/ModuleClassLoader) of the
current class, org/slf4j/LoggerFactory, and the class loader (instance of
org/apache/catalina/loader/WebappClassLoader) for resolved class,
org/slf4j/impl/StaticLoggerBinder, have different Class objects for the
type taticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory; used in
the signature
java.lang.LinkageError: loader constraint violation: when resolving method
"org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;"
the class loader (instance of org/openmrs/module/ModuleClassLoader) of the
current class, org/slf4j/LoggerFactory, and the class loader (instance of
org/apache/catalina/loader/WebappClassLoader) for resolved class,
org/slf4j/impl/StaticLoggerBinder, have different Class objects for the
type taticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory; used in
the signature
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:240)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:208)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:221)
at
ca.uhn.hl7v2.hoh.raw.client.AbstractRawClient.<clinit>(AbstractRawClient.java:54)
at
ca.uhn.hl7v2.hoh.hapi.client.HohClientSimple.<init>(HohClientSimple.java:40)

Could someone guide me how I could overcome this error?


Thanks & Regards
Sara Fatima
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