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解决Sqoop报错Could not load db driver class: com.intersys.jdbc.CacheDriver

时间:2017-07-04 23:50:46      阅读:598      评论:0      收藏:0      [点我收藏+]

报错栈:

17/06/16 17:46:01 INFO tool.CodeGenTool: Beginning code generation
17/06/16 17:46:01 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.RuntimeException: Could not load db driver class: com.intersys.jdbc.CacheDriver
java.lang.RuntimeException: Could not load db driver class: com.intersys.jdbc.CacheDriver
        at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:856)
        at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
        at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:744)
        at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:767)
        at org.apache.sqoop.manager.SqlManager.getColumnInfoForRawQuery(SqlManager.java:270)
        at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:241)
        at org.apache.sqoop.manager.SqlManager.getColumnTypesForQuery(SqlManager.java:234)
        at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:304)
        at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1870)
        at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1682)
        at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:107)
        at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:478)
        at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        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)

原因:执行导入的MR任务时找不到数据库连接的驱动包,只需把CacheDB.jar放到$SQOOP_HOME/lib下即可,sqoop提交MR任务时会自动把这个目录下的所有Jar包放入MR Job的Classpath中

解决Sqoop报错Could not load db driver class: com.intersys.jdbc.CacheDriver

原文:http://www.cnblogs.com/aprilrain/p/7118958.html

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