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From "Lin, Hao" <Hao....@finra.org>
Subject RE: try to read multiple bz2 files in s3
Date Tue, 02 Feb 2016 20:29:22 GMT
Hi Xiangrui,

For the following problem, I found out an issue ticket you posted before https://issues.apache.org/jira/browse/HADOOP-10614

I wonder if this has been fixed in Spark 1.5.2 which I believe so. Any suggestion on how to
fix it?

Thanks
Hao


From: Lin, Hao [mailto:Hao.Lin@finra.org]
Sent: Tuesday, February 02, 2016 10:38 AM
To: Robert Collich; user
Subject: RE: try to read multiple bz2 files in s3

Hi Robert,

I just use textFile. Here is the simple code:

val fs3File=sc.textFile("s3n://my bucket/myfolder/")
fs3File.count

do you suggest I should use sc.parallelize?

many thanks

From: Robert Collich [mailto:rcollich@gmail.com]
Sent: Monday, February 01, 2016 6:54 PM
To: Lin, Hao; user
Subject: Re: try to read multiple bz2 files in s3

Hi Hao,

Could you please post the corresponding code? Are you using textFile or sc.parallelize?

On Mon, Feb 1, 2016 at 2:36 PM Lin, Hao <Hao.Lin@finra.org<mailto:Hao.Lin@finra.org>>
wrote:
When I tried to read multiple bz2 files from s3, I have the following warning messages. What
is the problem here?

16/02/01 22:30:30 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, 10.162.67.248):
java.lang.ArrayIndexOutOfBoundsException: -1844424343
        at org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.getAndMoveToFrontDecode0(CBZip2InputStream.java:1014)
        at org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.getAndMoveToFrontDecode(CBZip2InputStream.java:829)
        at org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.initBlock(CBZip2InputStream.java:504)
        at org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.changeStateToProcessABlock(CBZip2InputStream.java:333)
        at org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.read(CBZip2InputStream.java:399)
        at org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionInputStream.read(BZip2Codec.java:483)
        at java.io.InputStream.read(InputStream.java:101)
        at org.apache.hadoop.mapreduce.lib.input.CompressedSplitLineReader.fillBuffer(CompressedSplitLineReader.java:130)
        at org.apache.hadoop.util.LineReader.readDefaultLine(LineReader.java:216)
        at org.apache.hadoop.util.LineReader.readLine(LineReader.java:174)
        at org.apache.hadoop.mapreduce.lib.input.CompressedSplitLineReader.readLine(CompressedSplitLineReader.java:159)
        at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:209)
        at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:47)
        at org.apache.spark.rdd.HadoopRDD$$anon$1.getNext(HadoopRDD.scala:248)
        at org.apache.spark.rdd.HadoopRDD$$anon$1.getNext(HadoopRDD.scala:216)
        at org.apache.spark.util.NextIterator.hasNext(NextIterator.scala:73)
        at org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39)
        at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
        at org.apache.spark.util.Utils$.getIteratorSize(Utils.scala:1553)
        at org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1125)
        at org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1125)
        at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1850)
        at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1850)
        at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
        at org.apache.spark.scheduler.Task.run(Task.scala:88)
        at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
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