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From java8964 <java8...@hotmail.com>
Subject RE: sc.textFile() on windows cannot access UNC path
Date Mon, 09 Mar 2015 21:32:32 GMT
This is a Java problem, not really Spark.
>From this page: http://stackoverflow.com/questions/18520972/converting-java-file-url-to-file-path-platform-independent-including-u
You can see that using Java.nio.* on JDK 7, it will fix this issue. But Path class in Hadoop
will use java.io.*, instead of java.nio.
You need to manually mount your windows remote share a local driver, like "Z:", then it should
work.
Yong

From: ningjun.wang@lexisnexis.com
To: user@spark.apache.org
Subject: sc.textFile() on windows cannot access UNC path
Date: Mon, 9 Mar 2015 21:09:38 +0000









I am running Spark on windows 2008 R2. I use sc.textFile() to load text file  using UNC path,
it does not work.
 
sc.textFile(raw"file:////10.196.119.230/folder1/abc.txt",
4).count()

 
Input path does not exist: file:/10.196.119.230/folder1/abc.txt
org.apache.hadoop.mapred.InvalidInputException: Input path does not exist: file:/10.196.119.230/tar/Enron/enron-207-short.load
            at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:251)
            at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:270)
            at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:201)
            at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:205)
            at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:203)
            at scala.Option.getOrElse(Option.scala:120)
            at org.apache.spark.rdd.RDD.partitions(RDD.scala:203)
            at org.apache.spark.rdd.MappedRDD.getPartitions(MappedRDD.scala:28)
            at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:205)
            at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:203)
            at scala.Option.getOrElse(Option.scala:120)
            at org.apache.spark.rdd.RDD.partitions(RDD.scala:203)
            at org.apache.spark.SparkContext.runJob(SparkContext.scala:1328)
            at org.apache.spark.rdd.RDD.count(RDD.scala:910)
            at ltn.analytics.tests.IndexTest$$anonfun$3.apply$mcV$sp(IndexTest.scala:104)
            at ltn.analytics.tests.IndexTest$$anonfun$3.apply(IndexTest.scala:103)
            at ltn.analytics.tests.IndexTest$$anonfun$3.apply(IndexTest.scala:103)
            at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
            at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
            at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
            at org.scalatest.Transformer.apply(Transformer.scala:22)
            at org.scalatest.Transformer.apply(Transformer.scala:20)
            at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
            at org.scalatest.Suite$class.withFixture(Suite.scala:1122)
            at org.scalatest.FunSuite.withFixture(FunSuite.scala:1555)
            at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
            at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
            at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
            at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
            at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
            at org.scalatest.FunSuite.runTest(FunSuite.scala:1555)
            at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
            at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
            at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
            at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
            at scala.collection.immutable.List.foreach(List.scala:318)
            at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
            at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
            at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
            at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
            at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
            at org.scalatest.Suite$class.run(Suite.scala:1424)
            at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
            at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
            at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
            at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
            at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
            at ltn.analytics.tests.IndexTest.org$scalatest$BeforeAndAfterAll$$super$run(IndexTest.scala:15)
            at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
            at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
            at ltn.analytics.tests.IndexTest.run(IndexTest.scala:15)
            at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:55)
            at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2563)
            at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2557)
            at scala.collection.immutable.List.foreach(List.scala:318)
            at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2557)
            at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
            at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
            at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
            at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
            at org.scalatest.tools.Runner$.run(Runner.scala:883)
            at org.scalatest.tools.Runner.run(Runner.scala)
            at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.runScalaTest2(ScalaTestRunner.java:137)
            at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.main(ScalaTestRunner.java:28)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:606)
            at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
 
 
The path is correct, I can open windows explorer enter the following path to open the text
file
\\10.196.119.230\folder1\abc.txt
 
I have tried to use 3 slah, 2 slah, and always got the same error
 
sc.textFile(raw"file:///10.196.119.230/folder1/abc.txt",
4).count()

sc.textFile(raw"file://10.196.119.230/folder1/abc.txt",
4).count()

 
Please advise.
Ningjun
 		 	   		  
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