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  • com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

    2018-08-06T13:40:10,699 ERROR [41e6cbb7-d859-4b90-8375-c9808c786abc main] metastore.RetryingHMSHandler: Retrying HMSHandler after 2000 ms (attempt 9 of 10) with error: javax.jdo.JDOFatalDataStoreException: Unable to open a test connection to the given database. JDBC url = jdbc:mysql://192.168.109.150:3306/hive_metastore?createDatabaseIfNotExist=true, username = root. Terminating connection pool (set lazyInit to true if you expect to start your database after your app). Original Exception: ------
    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.
            at sun.reflect.GeneratedConstructorAccessor26.newInstance(Unknown Source)
            at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
            at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
            at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
            at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
            at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:342)
            at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2188)
            at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2221)
            at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2016)
            at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776)
            at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
            at sun.reflect.GeneratedConstructorAccessor23.newInstance(Unknown Source)
    

    没有启动MySQL服务

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  • 原文地址:https://www.cnblogs.com/flyingcr/p/10326871.html
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