Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.alibaba.fastjson.JSONException: toJSON error] with root cause java.lang.AbstractMethodError: oracle.jdbc.driver.T4CConnection.getClientInfo()Ljava/util/Properties;
1. 错误日志如下
2. 定位错误行(第54行)
3. 解决方法
将第九行的M_A.*t替换成M_A.EMAILADDR,M_A.USERNAME,M_A.USERID
就可以运行了