java.io.IOException: Unexpected end of input stream at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:1073) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:619) at com.mysql.jdbc.Connection.createNewIO(Connection.java:1511) at com.mysql.jdbc.Connection.<init>(Connection.java:485) ...
importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;// Notice, do not import com.mysql.cj.jdbc.*// or you will have problems!publicclassLoadDriver{publicstaticvoidmain(String[]args){try{// The newInstance() call is a work around for some// broken Java implementa...
Bug #23645 Connection error while connecting to MySQL. Submitted: 25 Oct 2006 20:10Modified: 22 Feb 2007 14:00 Reporter: Parham Khataei Email Updates: Status: Closed Impact on me: None Category: Connector / JSeverity: S3 (Non-critical) Version: 5.0.4OS: Windows (Windows XP Home ...
importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;// Notice, do not import com.mysql.cj.jdbc.*// or you will have problems!publicclassLoadDriver{publicstaticvoidmain(String[]args){try{// The newInstance() call is a work around for some// broken Java implementa...
java.lang.RuntimeException: java.lang.ClassCastException: Cannot cast com.mysql.cj.jdbc.Driver to javax.sql.DataSource at com.zaxxer.hikari.util.UtilityElf.createInstance(UtilityElf.java:113) at com.zaxxer.hikari.pool.PoolBase.initializeDataSource(PoolBase.java:332) at com.zaxxer.hikari.pool.Poo...
确认MySQL服务在hadoop102主机的3306端口上正在运行: 这一点需要你通过系统管理工具或命令行工具(如 telnet、nc 或mysqladmin)来验证。例如,你可以使用以下命令来检查MySQL服务是否在该端口上运行: bash telnet hadoop102 3306 或者: bash nc -zv hadoop102 3306 如果命令成功执行且显示端口是开放的,那么MySQL服...
importjava.sql.Connection;importjava.sql.DriverManager;publicclassAvoidSQLWarnDemo{publicstaticvoidmain(String[]args){StringJdbcURL="jdbc:mysql://localhost:3306/mybusiness?"+"autoReconnect=true&useSSL=false";StringUsername="root";Stringpassword="1234...
Connection to 天mysql failed. [08001] Could not create connection to database server. Attempted ,报错处理方法 2019-12-02 16:43 −https://blog.csdn.net/myzh215219/article/details/90314345 点击图上的DRIVER,然后点击GO TO DRIVER,之后更改合适的驱动。 我的情况是MySQL版本为5.6.29,工具自动调用的...
MySQL 4.1 or 5.0 Oracle TimesTen In-Memory Database Oracle Database Lite 10g Release 1 and Release 3 To create a database connection to Oracle Database: Use a connection type of Oracle (JDBC). Enter appropriate username, role, and password values for the database connection. By default...
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.net.SocketException MESSAGE: java.net.ConnectException: Connection refused: connect STACKTRACE: java.net.SocketException: java.net.ConnectException: Connection refused: connect ...