Jun 28 2016

org.apache.hadoop.yarn.exceptions.InvalidAuxServiceException: The auxService:mapreduce_shuffle does not exist

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

执行sqoop命令将Oracle数据导入hive中,并用Parquet作为存储,出现报错:org.apache.hadoop.yarn.exceptions.InvalidAuxServiceException: The auxService:mapreduce_shuffle does not exist

Jun 20 2016

org.kitesdk.data.DatasetNotFoundException: Unknown dataset URI: hive:/xbdp/tb_machine. Check that JARs for hive datasets are on the classpath.

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

执行sqoop命令将Oracle数据导入hive,并用Parquet作为存储,报错:org.kitesdk.data.DatasetNotFoundException: Unknown dataset URI: hive:/xbdp/tb_machine. Check that JARs for hive datasets are on the classpath.

Jun 14 2016

java.sql.SQLNonTransientConnectionException: CLIENT_PLUGIN_AUTH is required

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

执行sqoop命令将mysql数据导入hive中,出现报错:ERROR manager.SqlManager: Error executing statement: java.sql.SQLNonTransientConnectionException: CLIENT_PLUGIN_AUTH is required

Jun 13 2016

java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@70e8f8e is still active. No statements may be issued when any streaming result sets are open and in use on a given connection. Ensure that you have called .close() on any active streaming result sets before attempting more queries.

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

执行sqoop命令将mysql数据导入hive中,出现报错:java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@70e8f8e is still active. No statements may be issued when any streaming result sets are open and in use on a given connection. Ensure that you have called .close() on any active streaming result sets before attempting more queries.

Jun 07 2016

hadoop集群上hive安装,配置mysql数据库存储metadata

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

hive是基于Hadoop的一个数据仓库工具,可以将结构化的数据文件映射为一张数据库表,并提供简单的sql查询功能,可以将sql语句转换为MapReduce任务进行运行。 其优点是学习成本低,可以通过类SQL语句快速实现简单的MapReduce统计,不必开发专门的MapReduce应用,十分适合数据仓库的统计分析。

Jun 02 2016

java.lang.ClassNotFoundException: org.apache.commons.io.Charsets

作者:MangoCool  |  分类:软件技术  |  来源:MangoCool

在编写客户端程序时,直接用hive的diver class连接hive,出现异常:java.lang.ClassNotFoundException: org.apache.commons.io.Charsets。

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