导入项目到Eclipse后报错Erasure of method XXX(Class<T>, Map<String,String>) is the same as another method in type XXXUtils

Question

代码在我导入的项目中Eclipse会报错Erasure of method convert(Class, Map) is the same as another method in type WeixinConvertUtils但是在同事的idea环境是没问题的 请问有人知道这个是什么原因导致的和解决方案吗

package org.jrx.framework.weixin.utils;

import java.util.Map;

import org.apache.log4j.Logger;
import org.jrx.framework.core.utils.ExceptionUtils;
import org.jrx.framework.weixin.dicts.WeixinParamDicts;
import org.jrx.framework.weixin.process.event.ProcessEvent;
import org.jrx.framework.weixin.process.event.ProcessMsgEvent;

/**
 * 微信转换工具类
 * @ProjectName jrx-weixin
 * @ClassName WeixinConvertUtils
 */
public class WeixinConvertUtils {
    private static final Logger logger = Logger.getLogger(WeixinConvertUtils.class);

    /**
     * 请求体转为处理事件
     * @Title: convert
     * @param <T>
     * @param clazz 处理事件类
     * @param requestMap    请求体
     * @return
     */
    public static <T extends ProcessMsgEvent> T convert(Class<T> clazz, Map<String, String> requestMap) {
        T o = null;
        try {
            o = clazz.newInstance();
            o.setOpenid(requestMap.get(WeixinParamDicts.FROM_USER_NAME));
            o.setOfficalAccount(requestMap.get(WeixinParamDicts.TO_USER_NAME));
            o.setCreateTime(requestMap.get(WeixinParamDicts.CREATE_TIME));
            o.setMsgType(requestMap.get(WeixinParamDicts.MSG_TYPE));
            o.setMsgId(requestMap.get(WeixinParamDicts.MSGID));
        } catch (InstantiationException e) {
            logger.error(ExceptionUtils.getExceptionMsg(e) + "：", e);
        } catch (IllegalAccessException e) {
            logger.error(ExceptionUtils.getExceptionMsg(e) + "：", e);
        }
        return o;
    }

    /**
     * 请求体转为处理事件
     * @Title: convert
     * @param <E>
     * @param clazz 处理事件类
     * @param requestMap    请求体
     * @return
     */
    public static <E extends ProcessEvent> E convert(Class<E> clazz, Map<String, String> requestMap) {
        E o = null;
        try {
            o = clazz.newInstance();
            o.setOpenid(requestMap.get(WeixinParamDicts.FROM_USER_NAME));
            o.setOfficalAccount(requestMap.get(WeixinParamDicts.TO_USER_NAME));
            o.setCreateTime(requestMap.get(WeixinParamDicts.CREATE_TIME));
            o.setMsgType(requestMap.get(WeixinParamDicts.MSG_TYPE));
            o.setEvent(requestMap.get(WeixinParamDicts.EVENT));
        } catch (InstantiationException e) {
            logger.error(ExceptionUtils.getExceptionMsg(e) + "：", e);
        } catch (IllegalAccessException e) {
            logger.error(ExceptionUtils.getExceptionMsg(e) + "：", e);
        }
        return o;
    }

}

Answer 1

你这两个方法，方法名和参数都相同，只有返回值不同，在调用的时候java不知道你是要调用哪个方法，所以不允许有同名同参的方法，你可以随便改个名