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Hanjie - it appears that you are hitting https://issues.apache.org/jira/browse/SQOOP-384. Regards, Kathleen On Wed, Jan 4, 2012 at 2:20 PM, Hanjie <hanjie...@gmail.com> wrote: > I'm using Sqoop 1.4.1-incubating-SNAPSHOT and Hadoop 0.20.205 > > While I was doing an import, I got this error: > Exception in thread "main" java.lang.IncompatibleClassChangeError: > Found class org.apache.hadoop.mapreduce.JobContext, but interface was > expected > at > org.apache.sqoop.config.ConfigurationHelper.getJobNumMaps(ConfigurationHelper.java: > 53) > at > com.cloudera.sqoop.config.ConfigurationHelper.getJobNumMaps(ConfigurationHelper.java: > 36) > at > org.apache.sqoop.mapreduce.db.DataDrivenDBInputFormat.getSplits(DataDrivenDBInputFormat.java: > 121) > at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java: > 999) > at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java: > 1016) > at org.apache.hadoop.mapred.JobClient.access$700(JobClient.java:172) > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:934) > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:887) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java: > 1059) > at > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java: > 887) > at org.apache.hadoop.mapreduce.Job.submit(Job.java:465) > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:495) > at org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java: > 119) > at > org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java: > 179) > at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java: > 413) > at > org.apache.sqoop.manager.MySQLManager.importTable(MySQLManager.java: > 97) > at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:380) > at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:453) > at org.apache.sqoop.Sqoop.run(Sqoop.java:145) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181) > at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220) > at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229) > at org.apache.sqoop.Sqoop.main(Sqoop.java:238) > at com.cloudera.sqoop.Sqoop.main(Sqoop.java:57) > > Any ideas? > > Thanks, > Hanjie > > -- > NOTE: The mailing list sqoop-u...@cloudera.org is deprecated in favor of > Apache Sqoop mailing list sqoop-user@incubator.apache.org. Please subscribe > to it by sending an email to incubator-sqoop-user-subscr...@apache.org.
