Ich habe Hadoop gerade erfolgreich auf einem kleinen Cluster installiert. Jetzt versuche ich, das wordcount-Beispiel auszuführen, erhalte jedoch die folgende Fehlermeldung:

<code>****hdfs://localhost:54310/user/myname/test11
12/04/24 13:26:45 INFO input.FileInputFormat: Total input paths to process : 1
12/04/24 13:26:45 INFO mapred.JobClient: Running job: job_201204241257_0003
12/04/24 13:26:46 INFO mapred.JobClient:  map 0% reduce 0%
12/04/24 13:26:50 INFO mapred.JobClient: Task Id : attempt_201204241257_0003_m_000002_0, Status : FAILED
Error initializing attempt_201204241257_0003_m_000002_0:
java.io.IOException: Exception reading file:/tmp/mapred/local/ttprivate/taskTracker/myname/jobcache/job_201204241257_0003/jobToken
    at org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:135)
    at org.apache.hadoop.mapreduce.security.TokenCache.loadTokens(TokenCache.java:165)
    at org.apache.hadoop.mapred.TaskTracker.initializeJob(TaskTracker.java:1179)
    at org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:1116)
    at org.apache.hadoop.mapred.TaskTracker$5.run(TaskTracker.java:2404)
    at java.lang.Thread.run(Thread.java:722)
Caused by: java.io.FileNotFoundException: File file:/tmp/mapred/local/ttprivate/taskTracker/myname/jobcache/job_201204241257_0003/jobToken does not exist.
    at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:397)
    at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:251)
    at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:125)
    at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:283)
    at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:427)
    at org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:129)
    ... 5 more
</code>

Irgendeine Hilfe?