【報錯】sqoop執行 list-tables 和 list_databases都OK,可是import有問題Communications link failure

時間 2020-05-15

標籤報錯 sqoop 執行 list tables databases 可是 import 有問題 communications link failure 简体版

原文原文鏈接

我再雲服務器上搭了hadoop的僞分佈式環境，在使用sqoop將mysql中的表數據導入到hdfs時報錯，而使用sqoop的st-tables 和 list_databases都是沒有問題的，能正常的查詢到數據，恰恰import不能夠，而且在使用import的時候，鏈接的mysql服務直接掛了~~哪位大神指教指教java 這個問題解決了，分享一下經驗：前言：每一個人遇到的問題緣由可能不同，這裏只

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1. sqoop import 報錯Communications link failure
2. solr DataImportHandler 報錯 Communications link failure
3. 報錯CommunicationsException: Communications link failure
4. Communications link failure故障問題
5. mybatis-generator運行報錯Communications link failure
6. com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
7. Communications link failure
8. 啓動項目報錯Communications link failure
9. 鏈接池報錯Communications link failure
10. 控制檯報「Communications link failure」錯誤
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