【Hive】 ---- 启动Hive报错 exceptions. jdbc Communications Exception: Communications link failure

尤克乔乔

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2022-08-12


报错 ：org. apache hadoop. hive. metastore. HiveMetaException: Failed to get schema version / Underlying cause: com mysql jdbc. exceptions. jdbc Communications Exception: Communications link failure

【Hive】 ---- 启动Hive报错 exceptions. jdbc Communications Exception: Communications link failure_解决方案

解决方案：

在启动Hive前，​​没有启动mysql服务​​，

service mysql start

打开mysql服务后，再启动Hive

【Hive】 ---- 启动Hive报错 exceptions. jdbc Communications Exception: Communications link failure_mysql_02


正常执行：

【Hive】 ---- 启动Hive报错 exceptions. jdbc Communications Exception: Communications link failure_hive_03


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