【报错】sqoop执行 list-tables 和 list_databases都OK,可是import有问题Communications link failure

时间 2020-05-15

标签报错 sqoop 执行 list tables databases 可是 import 有问题 communications link failure 繁體版

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我再云服务器上搭了hadoop的伪分布式环境，在使用sqoop将mysql中的表数据导入到hdfs时报错，而使用sqoop的st-tables 和 list_databases都是没有问题的，能正常的查询到数据，恰恰import不能够，而且在使用import的时候，链接的mysql服务直接挂了~~哪位大神指教指教java 这个问题解决了，分享一下经验：前言：每一个人遇到的问题缘由可能不同，这里只

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1. sqoop import 报错Communications link failure
2. solr DataImportHandler 报错 Communications link failure
3. 报错CommunicationsException: Communications link failure
4. Communications link failure故障问题
5. mybatis-generator运行报错Communications link failure
6. com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
7. Communications link failure
8. 启动项目报错Communications link failure
9. 链接池报错Communications link failure
10. 控制台报“Communications link failure”错误
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