springboot报错，代码在下面，不知道问题在哪

Question

报错代码：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Handler dispatch failed; nested exception is java.util.ServiceConfigurationError: com.dianping.cat.CatPropertyProvider: Provider com.dianping.cat.impl.CatPropertyProviderDefaultImpl could not be instantiated] with root cause

package com.itcast.springbootcat.controller;

import com.dianping.cat.Cat;
import com.dianping.cat.message.Event;
import com.dianping.cat.message.Transaction;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class CatController {

    @RequestMapping("test")
    public String test(){

        Transaction t = Cat.newTransaction("URL","pageName");

        try{
            Cat.logEvent("URL.Server","serverIp", Event.SUCCESS,"ip=127.0.0.1");
            Cat.logMetricForCount("metric.key");
            Cat.logMetricForDuration("metric.key",5);

            //抛出异常
            int i = 1/0;

            t.setStatus(Transaction.SUCCESS);
        }catch (Exception e){
            //捕获异常，打印异常信息
            t.setStatus(e);
            Cat.logError(e);
        }finally {
            t.complete();
        }

        return "hello cat";
    }
}

Answer 1

没有找到Properties这个类。检查一下你的包是不是导错了