安装好hive后,使用mysql存储元数据。
在启动hive是没有问题。
使用hive命令:show tables;是会出现以下错误。
hive> show tables > ;
FAILED: Error in metadata: javax.jdo.JDOFatalDataStoreException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.NestedThrowables: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask
查遍了google和baidu没有找到解决办法。最后是改了conf下的hive-site.xml文件中的数据库连接。
把ip改成了localhost。再启动hive就对了。。。