Re: [HAPI-devel] Problem sending HL7 over HTTP

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That exclusion should be correct- Can you post your dependency tree?

The heart of this is that you don't want conflicting versions of SLF4j to
be in the WAR/EAR file you are deploying.. And to add to that from the
stack trace you posted it looks like maybe Tomcat is bundling a 1.6.x copy
in itself, which would mean you are probably best not including any version
at all in your WAR.

James

On Sat, Jul 19, 2014 at 6:49 AM, Sara Fatima <sar...@gm...> wrote:

> Hi all,
>
> I am trying to send HL7 message over HTTP using this example
> <http://hl7api.sourceforge.net/hapi-hl7overhttp/doc_hapi.html>. I have
> changed the below line to Parser parser =
> PipeParser.getInstanceWithNoValidation(); to
>  Parser parser = new GenericParser(); as I am working with HAPI 2.0.
>
> I have added the below dependency also.
>
> <dependency>
>    <groupId>ca.uhn.hapi</groupId>
>
>
>    <artifactId>hapi-hl7overhttp</artifactId>
>
>
>    <version>2.2</version>
>
> </dependency>
>
>
> However at below line I am getting an error.
>
> HohClientSimple client = new HohClientSimple(host, port, uri, parser);
>
> Error is:
>
> 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) |2014-07-19 16:14:18,189| 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)
> at
> org.openmrs.module.IHEInteroperability.SendMessageUtility.hl7OverHttp(SendMessageUtility.java:104)
> at
> org.openmrs.module.IHEInteroperability.api.impl.IHEInteroperabilityServiceImpl.afterReturning(IHEInteroperabilityServiceImpl.java:79)
> at
> org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:51)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
> at org.openmrs.aop.LoggingAdvice.invoke(LoggingAdvice.java:122)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
> at
> org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
> at
> org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
> at
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
> at sun.proxy.$Proxy213.savePatient(Unknown Source)
> at
> org.openmrs.web.controller.patient.ShortPatientFormController.saveShortPatient(ShortPatientFormController.java:239)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
> at
> org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
> at
> org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
> at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
> at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
> at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
> at
> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
>  I tried adding exclusions but that didnt help,
> <dependency>
>     <groupId>ca.uhn.hapi</groupId>
>     <artifactId>hapi-hl7overhttp</artifactId>
>     <version>2.2</version>
>     <exclusions>
> <exclusion>
>  <groupId>org.slf4j</groupId>
> <artifactId>slf4j-api</artifactId>
> </exclusion>
>  <exclusion>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
>  </exclusion>
> </exclusions>
> </dependency>
>
> Could someone guide me where I could probably be going wrong in using this
> example?
>
> Thanks & Regards
> Sara Fatima
>
>
>
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