Github user rxin commented on the pull request:
https://github.com/apache/spark/pull/4050#issuecomment-72395370
Hey FYI, I think this patch is causing some problems. I got the following
exception today:
```
15/02/02 01:12:20 WARN scheduler.TaskSetManager: Lost task 3.0 in stage 0.0
(TID 3, ip-172-31-13-57.us-west-2.compute.internal):
java.lang.ClassNotFoundException:
org.apache.hadoop.fs.FileSystem$Statistics$StatisticsData
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:191)
at
org.apache.spark.deploy.SparkHadoopUtil.getFileSystemThreadStatisticsMethod(SparkHadoopUtil.scala:180)
at
org.apache.spark.deploy.SparkHadoopUtil.getFSBytesReadOnThreadCallback(SparkHadoopUtil.scala:139)
at
org.apache.spark.rdd.NewHadoopRDD$$anon$1$$anonfun$2.apply(NewHadoopRDD.scala:120)
at
org.apache.spark.rdd.NewHadoopRDD$$anon$1$$anonfun$2.apply(NewHadoopRDD.scala:118)
at scala.Option.orElse(Option.scala:257)
at
org.apache.spark.rdd.NewHadoopRDD$$anon$1.<init>(NewHadoopRDD.scala:117)
at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:107)
at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:69)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:281)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:248)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:281)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:248)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:281)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:248)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
at org.apache.spark.scheduler.Task.run(Task.scala:64)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:194)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
```
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