用sqoop導入mysql出現錯誤：

[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 ClassWriterat 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)
網上搜索是mysql的bug，下載新的jar就可以了

[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 正在解析主機 dev.mysql.com... 137.254.60.11 正在連接 dev.mysql.com|137.254.60.11|:80... 已連接。 已發出 HTTP 請求，正在等待回應... 302 Found 位置：http://cdn.mysql.com/Downloads/Connector-J/mysql-connector-java-5.1.32.tar.gz [跟隨至新的 URL] --2014-09-08 01:20:21-- http://cdn.mysql.com/Downloads/Connector-J/mysql-connector-java-5.1.32.tar.gz 正在解析主機 cdn.mysql.com... 23.41.85.226 正在連接 cdn.mysql.com|23.41.85.226|:80... 已連接。 已發出 HTTP 請求，正在等待回應... 200 OK 長度：3795067 (3.6M) [application/x-tar-gz] 正在保存至: “mysql-connector-java-5.1.32.tar.gz”40% [============================> ] 1,518,632 488K/s eta(英國中部時44% [================================> ] 1,696,736 508K/s eta(英國中部時48% [===================================> ] 1,854,568 523K/s eta(英國中部時54% [=======================================> ] 2,052,944 543K/s eta(英國中部時57% [=========================================> ] 2,186,160 563K/s eta(英國中部時60% [===========================================> ] 2,302,000 572K/s eta(英國中部時63% [=============================================> ] 2,404,808 579K/s eta(英國中部時66% [================================================> ] 2,535,128 590K/s eta(英國中部時70% [==================================================> ] 2,656,760 601K/s eta(英國中部時73% [=====================================================> ] 2,803,008 613K/s eta(英國中部時77% [========================================================> ] 2,939,120 624K/s eta(英國中部時81% [===========================================================> ] 3,104,192 645K/s eta(英國中部時85% [==============================================================> ] 3,257,680 656K/s eta(英國中部時90% [==================================================================> ] 3,437,232 669K/s eta(英國中部時95% [=====================================================================> ] 3,609,544 681K/s eta(英國中部時100%[=========================================================================>] 3,795,067 698K/s in 6.2s 2014-09-08 01:20:27 (597 KB/s) - 已保存 “mysql-connector-java-5.1.32.tar.gz” [3795067/3795067])

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