可见是连接的jar包出现了错误
通过命令发现我的是5.7版本，将驱动jar包替换为5.几的
之后通过命令 成功解决
- mysql发生连接异常Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
- jni Exception in thread "main" java.lang.UnsatisfiedLinkError:
- 装载数据时报错：Failed to execute spark task, with exception 'org.apache.hadoop.hive.ql.metadata.HiveException(Failed to create spark client.)'
- mybatis解决nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping:
- gitlab:Restoring PostgreSQL database gitlabhq_production ... ERROR: must be owner of extension pg_trgm
- 案例分享-Exception.getMessage突然为null
- virtualbox安装centOS7 报错 not syncing fatal exception
- 信息与通信技术（ICT，information and communications technology）
- How To Remove the Oracle OLAP API Objects From 9i and 11g Databases (Doc ID 278111.1)
- 【python】try-except
本栏目推荐文章