Description
Looks like this is happening inside spark executors, looks to be some race condition when modifying Configuration objects.
Stack-Trace:
java.io.IOException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderCreationException(HiveIOExceptionHandlerChain.java:97) at org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderCreationException(HiveIOExceptionHandlerUtil.java:57) at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:267) at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.<init>(HadoopShimsSecure.java:213) at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileInputFormatShim.getRecordReader(HadoopShimsSecure.java:334) at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:682) at org.apache.spark.rdd.HadoopRDD$$anon$1.<init>(HadoopRDD.scala:240) at org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:211) at org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:101) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) at org.apache.spark.rdd.UnionRDD.compute(UnionRDD.scala:87) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:89) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:242) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:253) ... 21 more Caused by: java.util.ConcurrentModificationException at java.util.Hashtable$Enumerator.next(Hashtable.java:1167) at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2455) at org.apache.hadoop.fs.s3a.S3AUtils.propagateBucketOptions(S3AUtils.java:716) at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:181) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2815) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:98) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2852) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2834) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:387) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296) at org.apache.hadoop.mapred.LineRecordReader.<init>(LineRecordReader.java:108) at org.apache.hadoop.mapred.TextInputFormat.getRecordReader(TextInputFormat.java:67) at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.<init>(CombineHiveRecordReader.java:68) ... 26 more