kettle mysql连接出错

Posted 2023-03-21

错误连接数据库 [mysql] : org.pentaho.di.core.exception.KettleDatabaseException: Error occured while trying to connect to the database Error connecting to database: (using class org.gjt.mm.mysql.Driver) java.lang.NullPointerException org.pentaho.di.core.exception.KettleDatabaseException: Error occured while trying to connect to the
错误连接数据库 [MySQL] : org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class org.gjt.mm.mysql.Driver)
java.lang.NullPointerException

org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class org.gjt.mm.mysql.Driver)
java.lang.NullPointerException

主机名 : localhost 端口 : 3306 数据库名:test

参考技术A

这个问题，我碰到过！

1、将对应的mysql驱动包（mysql-connector-java-5.1.15-bin.jar）放到下kettle的目录：

data-integration\\libext\\JDBC下。

2、如果第1步正常，你可以打开MYSQL远程管理权限

GRANT ALL PRIVILEGES ON *.* TO ' 用户名'@'%' identified by '密码 ';
@后面这样的吗 192.168.1.%

 

【希望可以帮到你】

参考技术B 空指针异常？ 是你的程序里 还是在连接数据库的时候？