I have a very simple script example from hadoop real world solution cookbook and I try it on amazon cloudera clustertogov04 ami and it gives me the java exception of not able to mkdir??
(我有一个来自hadoop现实世界解决方案食谱的非常简单的脚本示例，我在亚马逊cloudera clustertogov04 ami上尝试过，它给了我无法mkdir的Java异常？)
but I have enough disk space?? (但是我有足够的磁盘空间？)
[ec2-user]$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvde1 8255928 3307252 4529300 43% /
tmpfs 3757068 0 3757068 0% /dev/shm
/dev/xvdk 103212320 192116 97777324 1% /data
heres the script,command,error output
(这是脚本，命令，错误输出)
weblogs = load '/data2/weblogs/weblog_entries.txt' as
(md5:chararray,
url:chararray,
date:chararray,
time:chararray,
ip:chararray);
md5_grp = group weblogs by md5 parallel 4;
store md5_grp into '/data/weblogs/weblogs_md5_groups.bcp';
pig -x local -f pig02 2>err02
2013-06-20 19:57:29,499 [Thread-4] INFO org.apache.hadoop.mapred.Merger - Down to the last merge-pass, with 1 segments left of total size: 299132 bytes 2013-06-20 19:57:29,499 [Thread-4] INFO org.apache.hadoop.mapred.LocalJobRunner - 2013-06-20 19:57:29,519 [Thread-4] WARN org.apache.hadoop.mapred.LocalJobRunner - job_local_0001 java.io.IOException: Mkdirs failed to create file:/data/weblogs/weblogs_md5_groups.bcp/_temporary/_attempt_local_0001_r_000000_0 at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:434) at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:420) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:805) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:786) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:685) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigTextOutputFormat.getRecordWriter(PigTextOutputFormat.java:98) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.
(2013-06-20 19：57：29,499 [Thread-4] INFO org.apache.hadoop.mapred.Merger- 向下到最后一次合并遍历，总共剩余1个段：299132字节 2013-06-20 19 ：57：29,499 [Thread-4]信息org.apache.hadoop.mapred.LocalJobRunner-2013-06-20 19：57：29,519 [Thread-4] WARN org.apache.hadoop.mapred.LocalJobRunner-job_local_0001 java.io .IOException：Mkdirs无法创建文件：/data/weblogs/weblogs_md5_groups.bcp/_temporary/_attempt_local_0001_r_000000_0 at org.apache.hadoop.fs.ChecksumFileSystem.create（ChecksumFileSystem.java:434）在org.apache.hadoop.fs.ChecksumFile在org.apache.hadoop.fs.FileSystem.create（FileSystem.java:805）的org.apache.hadoop.fs.FileSystem.create（FileSystem.java:786）的.create（ChecksumFileSystem.java:420）。 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigTextOutputFormat.getRecordWriter（PigTextOutputFormat.java:98）位于org.apache.pig.backend处的apache.hadoop.fs.FileSystem.create（FileSystem.java:685）。 hadoop.executionengine.mapReduceLayer。)
PigOutputFormat.getRecordWriter(PigOutputFormat.java:84) at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:582) at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:433) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:309) 2013-06-20 19:57:33,176 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - job job_local_0001 has failed! (org.org.apache.hadoop.mapred.ReduceTask.run（ReduceTask.java:433）的PigOutputFormat.getRecordWriter（PigOutputFormat.java:84）在org.apache.hadoop.mapred.ReduceTask.runNewReducer（ReduceTask.java:582）在org.apache.hadoop.mapred.ReduceTask.run（ReduceTask.java:433） .apache.hadoop.mapred.LocalJobRunner $ Job.run（LocalJobRunner.java:309）2013-06-20 19：57：33,176 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher-作业job_local_0001失败！)
Stop running all dependent jobs (停止运行所有依赖作业)
2013-06-20 19:57:33,180 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
(2013-06-20 19：57：33,180 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher-100％完成)
2013-06-20 19:57:33,182 [main] ERROR org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s) failed!
(2013-06-20 19：57：33,182 [main]错误org.apache.pig.tools.pigstats.PigStatsUtil-1个地图缩小作业失败！)
2013-06-20 19:57:33,182 [main] INFO org.apache.pig.tools.pigstats.SimplePigStats - Detected Local mode.
(2013-06-20 19：57：33,182 [main]信息org.apache.pig.tools.pigstats.SimplePigStats-检测到本地模式。)
Stats reported below may be incomplete (以下报告的统计信息可能不完整)
2013-06-20 19:57:33,185 [main] INFO org.apache.pig.tools.pigstats.SimplePigStats - Script Statistics:
(2013-06-20 19：57：33,185 [main] INFO org.apache.pig.tools.pigstats.SimplePigStats-脚本统计信息：)
HadoopVersion PigVersion UserId StartedAt FinishedAt Features
(HadoopVersion PigVersion用户ID StartedAt FinishedAt功能)
2.0.0-cdh4.1.2 0.10.0-cdh4.1.2 ec2-user 2013-06-20 19:57:27 2013-06-20 19:57:33 GROUP_BY
(2.0.0-cdh4.1.2 0.10.0-cdh4.1.2 ec2-user 2013-06-20 19:57:27 2013-06-20 19:57:33 GROUP_BY)
Failed!
(失败了！)
Pig Stack Trace ---------------
(猪栈痕迹---------------)
ERROR 2244: Job failed, hadoop does not return any error message
(错误2244：作业失败，hadoop不返回任何错误消息)
org.apache.pig.backend.executionengine.ExecException: ERROR 2244: Job failed, hadoop does not return any error message at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:140) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:193)
(org.apache.pig.backend.executionengine.ExecException：错误2244：作业失败，Hadoop在org.apache的org.apache.pig.tools.grunt.GruntParser.executeBatch（GruntParser.java:140）上未返回任何错误消息.pig.tools.grunt.GruntParser.parseStopOnError（GruntParser.java:193）)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:165) at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
(在org.apache.pig.tools.grunt.GruntParser.parseStopOnError（GruntParser.java:165）在org.apache.pig.tools.grunt.Grunt.exec（Grunt.java:84）)
at org.apache.pig.Main.run(Main.java:430)
(在org.apache.pig.Main.run（Main.java:430）)
at org.apache.pig.Main.main(Main.java:111) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597)
(在org.apache.pig.Main.main（Main.java:111）在sun.reflect.NativeMethodAccessorImpl.invoke0（在本机方法）在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:39）在sun.reflect.DelegatingMethodAccessorImpl .invoke（DelegatingMethodAccessorImpl.java:25）at java.lang.reflect.Method.invoke（Method.java:597）)
at org.apache.hadoop.util.RunJar.main(RunJar.java:208) (在org.apache.hadoop.util.RunJar.main（RunJar.java:208）)
ask by Andrew C. Kee translate from so 
