org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist

本文介绍了一次在使用Hadoop进行数据清洗时遇到的字符集问题,具体表现为data-clean.jar打包时未指定utf-8字符集导致运行时报错。通过在IDE中设置正确的字符集并重新打包,成功解决了这一问题。

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我的是跑数据清洗 报错执行的命令是

/root/apps/hadoop-2.8.5/bin/hadoop jar /root/data-clean/data-clean.jar cn.edu360.app.log.mr.AppLogDataClean $inpath $outpath

错误原因是我的 data-clean.jar 打包的时候没有指定字符集  utf-8

打开ide项目工程 然后指定字符集 然后继续跑就不报错了

[root@hadoop04 ~]# hadoop jar film1.jar CleanDriver -D mapreduce.job.summary.log.level=DEBUG /film/input /film/outputs/cleandata 25/03/15 14:57:08 INFO client.RMProxy: Connecting to ResourceManager at hadoop04/192.168.100.104:8032 25/03/15 14:57:08 WARN mapreduce.JobResourceUploader: Hadoop command-line option parsing not performed. Implement the Tool interface and execute your application with ToolRunner to remedy this. 25/03/15 14:57:10 INFO mapreduce.JobSubmitter: Cleaning up the staging area /tmp/hadoop-yarn/staging/root/.staging/job_1742021469568_0001 Exception in thread "main" org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: hdfs://hadoop04:9000/user/root/CleanDriver at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.singleThreadedListStatus(FileInputFormat.java:323) at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:265) at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:387) at org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:301) at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:318) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:196) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1762) at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1308) at CleanDriver.main(CleanDriver.java:35) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:226) at org.apache.hadoop.util.RunJar.main(RunJar.java:141) [root@hadoop04 ~]#
03-16
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