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[jifeng@jifeng02 sqoop]$ bin/sqoop import --connect jdbc:mysql://10.X.X.X:3306/lir --username dss --password 123123 --table bb_month --hive-import -m 100
Warning: /home/jifeng/sqoop/../hcatalog does not exist! HCatalog jobs will fail.
Please set $HCAT_HOME to the root of your HCatalog installation.
Warning: /home/jifeng/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
Warning: $HADOOP_HOME is deprecated.
14/09/08 01:10:12 INFO sqoop.Sqoop: Running Sqoop version: 1.4.5
14/09/08 01:10:12 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
14/09/08 01:10:12 INFO tool.BaseSqoopTool: Using Hive-specific delimiters for output. You can override
14/09/08 01:10:12 INFO tool.BaseSqoopTool: delimiters with --fields-terminated-by, etc.
14/09/08 01:10:12 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
14/09/08 01:10:12 INFO tool.CodeGenTool: Beginning code generation
14/09/08 01:10:12 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `bb_month` AS t LIMIT 1
14/09/08 01:10:12 ERROR manager.SqlManager: Error reading from database: java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@1d5a7f6 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.
java.sql.SQLException: Streaming result set com.mysql.jdbc.RowDataDynamic@1d5a7f6 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.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:930)
at com.mysql.jdbc.MysqlIO.checkForOutstandingStreamingData(MysqlIO.java:2694)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1868)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2109)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2642)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2571)
at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1464)
at com.mysql.jdbc.ConnectionImpl.getMaxBytesPerChar(ConnectionImpl.java:3030)
at com.mysql.jdbc.Field.getMaxBytesPerCharacter(Field.java:592)
at com.mysql.jdbc.ResultSetMetaData.getPrecision(ResultSetMetaData.java:444)
at org.apache.sqoop.manager.SqlManager.getColumnInfoForRawQuery(SqlManager.java:285)
at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:240)
at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:226)
at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:295)
at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1773)
at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1578)
at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:96)
at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:478)
at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:601)
at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
at org.apache.sqoop.Sqoop.main(Sqoop.java:236)
14/09/08 01:10:12 ERROR tool.ImportTool: Encountered IOException running import job: java.io.IOException: No columns to generate for ClassWriter
at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1584)
at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:96)
at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:478)
at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:601)
at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
at org.apache.sqoop.Sqoop.main(Sqoop.java:236)

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[jifeng@jifeng02 ~]$ wget http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.32.tar.gz
--2014-09-08 01:20:16--  http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.32.tar.gz

--2014-09-08 01:20:21--  http://cdn.mysql.com/Downloads/Connector-J/mysql-connector-java-5.1.32.tar.gz

--转自