Program: 112227
Project: 112227
Buggy source:
public GenericClient newClient(HttpServletRequest theRequest,FhirContext theContext,TesterConfig theConfig,Controller.CaptureInterceptor theInterceptor){
  theContext.getRestfulClientFactory().setServerValidationMode(ServerValidationModeEnum.NEVER);
  GenericClient retVal;
  ITestingUiClientFactory clientFactory=theConfig.getClientFactory();
  if (clientFactory != null) {
    retVal=(GenericClient)clientFactory.newClient(theContext,theRequest,getServerBase(theRequest,theConfig));
  }
 else {
    retVal=(GenericClient)theContext.newRestfulGenericClient(getServerBase(theRequest,theConfig));
  }
  retVal.setKeepResponses(true);
  if ("String_Node_Str".equals(getPretty())) {
    retVal.setPrettyPrint(true);
  }
 else   if ("String_Node_Str".equals(getPretty())) {
    retVal.setPrettyPrint(false);
  }
  if ("String_Node_Str".equals(getEncoding())) {
    retVal.setEncoding(EncodingEnum.XML);
  }
 else   if ("String_Node_Str".equals(getEncoding())) {
    retVal.setEncoding(EncodingEnum.JSON);
  }
  if (isNotBlank(get_summary())) {
    SummaryEnum summary=SummaryEnum.fromCode(get_summary());
    if (summary != null) {
      retVal.setSummary(summary);
    }
  }
  retVal.registerInterceptor(theInterceptor);
  final String remoteAddr=org.slf4j.MDC.get("String_Node_Str");
  retVal.registerInterceptor(new IClientInterceptor(){
    @Override public void interceptResponse(    IHttpResponse theRequest){
    }
    @Override public void interceptRequest(    IHttpRequest theRequest){
      if (isNotBlank(remoteAddr)) {
        theRequest.addHeader("String_Node_Str",remoteAddr);
      }
    }
  }
);
  return retVal;
}

Fixed version (ground truth):
public GenericClient newClient(HttpServletRequest theRequest,FhirContext theContext,TesterConfig theConfig,Controller.CaptureInterceptor theInterceptor){
  theContext.getRestfulClientFactory().setServerValidationMode(ServerValidationModeEnum.NEVER);
  GenericClient retVal;
  ITestingUiClientFactory clientFactory=theConfig.getClientFactory();
  if (clientFactory != null) {
    retVal=(GenericClient)clientFactory.newClient(theContext,theRequest,getServerBase(theRequest,theConfig));
  }
 else {
    retVal=(GenericClient)theContext.newRestfulGenericClient(getServerBase(theRequest,theConfig));
  }
  retVal.registerInterceptor(new BufferResponseInterceptor());
  retVal.setKeepResponses(true);
  if ("String_Node_Str".equals(getPretty())) {
    retVal.setPrettyPrint(true);
  }
 else   if ("String_Node_Str".equals(getPretty())) {
    retVal.setPrettyPrint(false);
  }
  if ("String_Node_Str".equals(getEncoding())) {
    retVal.setEncoding(EncodingEnum.XML);
  }
 else   if ("String_Node_Str".equals(getEncoding())) {
    retVal.setEncoding(EncodingEnum.JSON);
  }
  if (isNotBlank(get_summary())) {
    SummaryEnum summary=SummaryEnum.fromCode(get_summary());
    if (summary != null) {
      retVal.setSummary(summary);
    }
  }
  retVal.registerInterceptor(theInterceptor);
  final String remoteAddr=org.slf4j.MDC.get("String_Node_Str");
  retVal.registerInterceptor(new IClientInterceptor(){
    @Override public void interceptResponse(    IHttpResponse theRequest){
    }
    @Override public void interceptRequest(    IHttpRequest theRequest){
      if (isNotBlank(remoteAddr)) {
        theRequest.addHeader("String_Node_Str",remoteAddr);
      }
    }
  }
);
  return retVal;
}