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From "Jaka Jancar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8870) NullPointerException when glob doesn't return files
Date Tue, 02 Oct 2012 09:51:07 GMT
Jaka Jancar created HADOOP-8870:
-----------------------------------

             Summary: NullPointerException when glob doesn't return files
                 Key: HADOOP-8870
                 URL: https://issues.apache.org/jira/browse/HADOOP-8870
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs, fs/s3
    Affects Versions: 1.0.3, 0.20.205.0
            Reporter: Jaka Jancar


Reading

{code}s3n://bucket/{a/*,b/*,c/*}{code}

if one of the globs matches nothing, I get:

{code}
Exception in thread "main" java.lang.NullPointerException
	at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:992)
	at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:177)
	at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:208)
	at spark.HadoopRDD.<init>(HadoopRDD.scala:51)
	at spark.SparkContext.hadoopFile(SparkContext.scala:186)
	at spark.SparkContext.textFile(SparkContext.scala:155)
	at com.celtra.analyzer.LogAnalyzer.analyzeSufficientS3Logs(LogAnalyzer.scala:52)
	at com.celtra.analyzer.App$.main(App.scala:164)
	at com.celtra.analyzer.App.main(App.scala)
{code}

I'm not sure whether this is specific to S3 or all filesystems.

This was occuring in 0.20.205 and I confirmed it's still present in 1.0.3.

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