Program: 50737
Project: 50737
Buggy source:
/** 
 * This class creates a proxy for reporting activities based on the caller invoking methods on the callee, via the supplied interface.
 * @param intf The interface definition for the component being invoked
 * @param caller The caller
 * @param callee The service component
 * @return The proxy
 */
@SuppressWarnings("String_Node_Str") public static <T>T createClientProxy(final Class<T> intf,final Object caller,final T callee){
  return ((T)Proxy.newProxyInstance(callee.getClass().getClassLoader(),new Class<?>[]{intf},new InvocationHandler(){
    public Object invoke(    Object proxy,    Method method,    Object[] args) throws Throwable {
      String content=null;
      String mesgType=null;
      String reqId=null;
      String respId=null;
      boolean scopeStarted=false;
      boolean supportedMethod=!method.getName().equals("String_Node_Str");
      if (supportedMethod) {
        if (!_collector.isScopeActive()) {
          _collector.startScope();
          scopeStarted=true;
        }
        reqId=UUID.randomUUID().toString();
        respId=UUID.randomUUID().toString();
        if (caller != null) {
          RequestSent rs=new RequestSent();
          rs.setMessageId(reqId);
          rs.setOperation(method.getName());
          rs.setInterface(intf.getName());
          rs.setServiceType(caller.getClass().getName());
          if (args != null && args.length > 0) {
            mesgType="String_Node_Str";
            try {
              for (int i=0; i < args.length; i++) {
                if (i > 0) {
                  mesgType+="String_Node_Str";
                }
                mesgType+=args[i].getClass().getName();
                String data=_collector.processInformation(null,args[i].getClass().getName(),args[i],null,rs);
                if (content == null) {
                  content=data;
                }
              }
            }
 catch (            Exception e) {
              LOG.log(Level.SEVERE,MessageFormat.format(java.util.PropertyResourceBundle.getBundle("String_Node_Str").getString("String_Node_Str"),method.getName()),e);
            }
          }
          rs.setContent(content);
          rs.setMessageType(mesgType);
          _collector.validate(rs);
          _collector.record(rs);
        }
      }
      String respContent=null;
      Object resp=null;
      Throwable excResp=null;
      try {
        resp=method.invoke(callee,args);
      }
 catch (      java.lang.reflect.InvocationTargetException e) {
        excResp=e.getCause();
      }
      if (supportedMethod) {
        if (caller != null) {
          ResponseReceived rr=new ResponseReceived();
          rr.setMessageId(respId);
          rr.setReplyToId(reqId);
          rr.setOperation(method.getName());
          rr.setInterface(intf.getName());
          rr.setServiceType(caller.getClass().getName());
          rr.setContent(respContent);
          if (resp != null) {
            rr.setMessageType(resp.getClass().getName());
            rr.setContent(_collector.processInformation(null,resp.getClass().getName(),resp,null,rr));
          }
 else           if (excResp != null) {
            Class<?> excType=getDefinedException(method,excResp);
            if (excType != null) {
              String faultName=excType.getSimpleName();
              if (faultName != null && faultName.endsWith("String_Node_Str") && faultName.length() > 9) {
                faultName=faultName.substring(0,faultName.length() - 9);
              }
              rr.setFault(faultName);
              rr.setContent(_collector.processInformation(null,excResp.getClass().getName(),excResp,null,rr));
            }
 else {
              rr.setFault("String_Node_Str");
              rr.setContent(excResp.toString());
            }
          }
          _collector.record(rr);
        }
        if (scopeStarted) {
          _collector.endScope();
        }
      }
      if (excResp != null) {
        throw excResp;
      }
      return (resp);
    }
  }
));
}

Fixed version (ground truth):
/** 
 * This class creates a proxy for reporting activities based on the caller invoking methods on the callee, via the supplied interface.
 * @param intf The interface definition for the component being invoked
 * @param caller The caller
 * @param callee The service component
 * @param < T > Client type
 * @return The proxy
 */
@SuppressWarnings("String_Node_Str") public static <T>T createClientProxy(final Class<T> intf,final Object caller,final T callee){
  return ((T)Proxy.newProxyInstance(callee.getClass().getClassLoader(),new Class<?>[]{intf},new InvocationHandler(){
    public Object invoke(    Object proxy,    Method method,    Object[] args) throws Throwable {
      String content=null;
      String mesgType=null;
      String reqId=null;
      String respId=null;
      boolean scopeStarted=false;
      boolean supportedMethod=!method.getName().equals("String_Node_Str");
      if (supportedMethod) {
        if (!_collector.isScopeActive()) {
          _collector.startScope();
          scopeStarted=true;
        }
        reqId=UUID.randomUUID().toString();
        respId=UUID.randomUUID().toString();
        if (caller != null) {
          RequestSent rs=new RequestSent();
          rs.setMessageId(reqId);
          rs.setOperation(method.getName());
          rs.setInterface(intf.getName());
          rs.setServiceType(caller.getClass().getName());
          if (args != null && args.length > 0) {
            mesgType="String_Node_Str";
            try {
              for (int i=0; i < args.length; i++) {
                if (i > 0) {
                  mesgType+="String_Node_Str";
                }
                mesgType+=args[i].getClass().getName();
                String data=_collector.processInformation(null,args[i].getClass().getName(),args[i],null,rs);
                if (content == null) {
                  content=data;
                }
              }
            }
 catch (            Exception e) {
              LOG.log(Level.SEVERE,MessageFormat.format(java.util.PropertyResourceBundle.getBundle("String_Node_Str").getString("String_Node_Str"),method.getName()),e);
            }
          }
          rs.setContent(content);
          rs.setMessageType(mesgType);
          _collector.validate(rs);
          _collector.record(rs);
        }
      }
      String respContent=null;
      Object resp=null;
      Throwable excResp=null;
      try {
        resp=method.invoke(callee,args);
      }
 catch (      java.lang.reflect.InvocationTargetException e) {
        excResp=e.getCause();
      }
      if (supportedMethod) {
        if (caller != null) {
          ResponseReceived rr=new ResponseReceived();
          rr.setMessageId(respId);
          rr.setReplyToId(reqId);
          rr.setOperation(method.getName());
          rr.setInterface(intf.getName());
          rr.setServiceType(caller.getClass().getName());
          rr.setContent(respContent);
          if (resp != null) {
            rr.setMessageType(resp.getClass().getName());
            rr.setContent(_collector.processInformation(null,resp.getClass().getName(),resp,null,rr));
          }
 else           if (excResp != null) {
            Class<?> excType=getDefinedException(method,excResp);
            if (excType != null) {
              String faultName=excType.getSimpleName();
              if (faultName != null && faultName.endsWith("String_Node_Str") && faultName.length() > 9) {
                faultName=faultName.substring(0,faultName.length() - 9);
              }
              rr.setFault(faultName);
              rr.setContent(_collector.processInformation(null,excResp.getClass().getName(),excResp,null,rr));
            }
 else {
              rr.setFault("String_Node_Str");
              rr.setContent(excResp.toString());
            }
          }
          _collector.record(rr);
        }
        if (scopeStarted) {
          _collector.endScope();
        }
      }
      if (excResp != null) {
        throw excResp;
      }
      return (resp);
    }
  }
));
}