JAVA_EXCEPTION:java.sql.SQLException: Unknown initial character set index '255' received from server
四月08,20199:17:33下午org.apache.catalina.core.StandardWrapperValveinvoke严重:Servlet.service()forservlet[springmvc]incontextwithpath[/maven_day02_web]threwexception[Requestprocessingfailed;nestedexceptioni