Hadoop对输入路径的过滤问题解决方式
Caused by: org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: hdfs://your path at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:231) at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:248) at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:950) at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:967) at org.apache.hadoop.mapred.JobClient.access$500(JobClient.java:170) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:880) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:833) 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:1177) at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:833) at org.apache.hadoop.mapreduce.Job.submit(Job.java:476) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:506)
错误原因：
在进行match的时候返回了null，应该返回一个空的FileStatus[]，代码位置在FileSystem.java中
0.21.0版本之后此bug已经修复，因此升级即可
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