/**
  * 跟踪日志，trace.xml记录
  * @param className 类
  * @param methodName 方法
  * @param msg  消息
  */

 public static void trace(String className,String methodName,String msg){     　　　　       Logger traceLogger = PafaCoreContexton.getInstance().getTracer();           traceLogger.log(ActionContext.getCurrentUmId(), Level.INFO ,className,   methodName, msg);

 }

   /**
     * 记录error日志
     *
     * @param className -
     *            抛出异常的类名
     * @param methodName -
     *            抛出异常的方法名
     * @param t -
     *            抛出的异常
     */
    public static void logError(String className, String methodName, Throwable t) {
        PafaApplicationContext coreContext = PafaCoreContexton.getInstance();
        Logger errorLogger = coreContext.getErrorLogger();
        errorLogger.log(ActionContext.getCurrentUmId(), Level.SEVERE, className, methodName, "", t, "");
    }

/**
  * Description: 获取异常堆栈信息  
  * @param throwable
  * @return 
  */
 public static String getStackTrace(Throwable throwable) {
  
  if (throwable == null){
   return "";
  }
  
  String rtn = throwable.getStackTrace().toString();
  
  Writer writer = null;
  PrintWriter printWriter = null;
  try {
   writer = new StringWriter();
   printWriter = new PrintWriter(writer);
   
   throwable.printStackTrace(printWriter);
   
   printWriter.flush();
   writer.flush();
   
   rtn = writer.toString();
   
  } catch (IOException e) {
   LoggerUtil.logError("com.paic.egis.sales.common.util.LoggerUtil", "getStackTrace", e);
   
  } catch (Exception ex) {
   LoggerUtil.logError("com.paic.egis.sales.common.util.LoggerUtil", "getStackTrace", ex);
   
  }finally{
   
   if(printWriter != null){
    printWriter.close();
   }
   try {
    if(writer != null){
     writer.close();
    }
   } catch (IOException e) {
    LoggerUtil.logError("com.paic.egis.sales.common.util.LoggerUtil", "getStackTrace", e);
   }
   
  }
  
  return rtn;
 }

  @SuppressWarnings({ "rawtypes", "unchecked" })
 private static Map fecthParamFromRequest(HttpServletRequest request){
  Map paramMap = new HashMap();
  try{
   synchronized(request){
  
   Enumeration  paramEnum = request.getParameterNames();
   while(paramEnum.hasMoreElements()){
    String paramName = (String)paramEnum.nextElement();
    String messageContent = request.getParameter(paramName);
    paramMap.put(paramName,messageContent);
   }
  }
  }catch(Exception e){
   
  }
  return paramMap;
 }

日志通用类