[jira] [Updated] (SPARK-21253) Cannot fetch big blocks to disk

2017-06-30 Thread Yuming Wang (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-21253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yuming Wang updated SPARK-21253:

Description: 
Spark *cluster* can reproduce, *local* can't:

1. Start a spark context with {{spark.reducer.maxReqSizeShuffleToMem=1K}}:
{code:actionscript}
$ spark-shell --conf spark.reducer.maxReqSizeShuffleToMem=1K --conf 
spark.serializer=org.apache.spark.serializer.KryoSerializer
{code}

2. A shuffle:
{code:actionscript}
scala> sc.parallelize(0 until 300, 10).repartition(2001).count()
{code}

The error messages:

{noformat}
org.apache.spark.shuffle.FetchFailedException: Failed to send request for 
1649611690367_2 to yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: 
java.io.IOException: Connection reset by peer
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:442)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:418)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:59)
at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at 
org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
at 
org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:438)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
at scala.collection.AbstractIterator.to(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:108)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to send request for 1649611690367_2 to 
yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: java.io.IOException: 
Connection reset by peer
at 
org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
at 
io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at 
io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at 
io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at 
io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:28)
at 
org.apache.spark.network.client.TransportClient.stream(TransportClient.java:183)
at 
org.apache.spark.network.shuffle.OneForOneBlockFetcher$1.onSuccess(OneForOneBlockFetcher.java:123)
at 
org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:176)
at 
org.apache.spark.network.server.TransportChannelHandler.channelRead(TransportChannelHandler.java:120)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:343)
at 

[jira] [Updated] (SPARK-21253) Cannot fetch big blocks to disk

2017-06-29 Thread Michael Armbrust (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-21253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Michael Armbrust updated SPARK-21253:
-
Target Version/s: 2.2.0

> Cannot fetch big blocks to disk 
> 
>
> Key: SPARK-21253
> URL: https://issues.apache.org/jira/browse/SPARK-21253
> Project: Spark
>  Issue Type: Bug
>  Components: Spark Core
>Affects Versions: 2.2.0
>Reporter: Yuming Wang
>Assignee: Shixiong Zhu
> Attachments: ui-thread-dump-jqhadoop221-154.gif
>
>
> Spark *cluster* can reproduce, *local* can't:
> 1. Start a spark context with {{spark.reducer.maxReqSizeShuffleToMem=1K}}:
> {code:actionscript}
> $ spark-shell --conf spark.reducer.maxReqSizeShuffleToMem=1K
> {code}
> 2. A shuffle:
> {code:actionscript}
> scala> sc.parallelize(0 until 300, 10).repartition(2001).count()
> {code}
> The error messages:
> {noformat}
> org.apache.spark.shuffle.FetchFailedException: Failed to send request for 
> 1649611690367_2 to yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: 
> java.io.IOException: Connection reset by peer
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:442)
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:418)
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:59)
> at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at 
> org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
> at 
> org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:438)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$class.foreach(Iterator.scala:893)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
> at 
> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
> at 
> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
> at 
> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
> at 
> scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
> at scala.collection.AbstractIterator.to(Iterator.scala:1336)
> at 
> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
> at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
> at 
> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
> at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
> at 
> org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
> at 
> org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
> at 
> org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
> at 
> org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
> at org.apache.spark.scheduler.Task.run(Task.scala:108)
> at 
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Failed to send request for 1649611690367_2 to 
> yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: java.io.IOException: 
> Connection reset by peer
> at 
> org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
> at 
> io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163)
> at 
> io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93)
> at 
> io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:28)
> at 
> org.apache.spark.network.client.TransportClient.stream(TransportClient.java:183)
> at 
> 

[jira] [Updated] (SPARK-21253) Cannot fetch big blocks to disk

2017-06-29 Thread Yuming Wang (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-21253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yuming Wang updated SPARK-21253:

Description: 
Spark *cluster* can reproduce, *local* can't:

1. Start a spark context with {{spark.reducer.maxReqSizeShuffleToMem=1K}}:
{code:actionscript}
$ spark-shell --conf spark.reducer.maxReqSizeShuffleToMem=1K
{code}

2. A shuffle:
{code:actionscript}
scala> sc.parallelize(0 until 300, 10).repartition(2001).count()
{code}

The error messages:

{noformat}
org.apache.spark.shuffle.FetchFailedException: Failed to send request for 
1649611690367_2 to yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: 
java.io.IOException: Connection reset by peer
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:442)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:418)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:59)
at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at 
org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
at 
org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:438)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
at scala.collection.AbstractIterator.to(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:108)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to send request for 1649611690367_2 to 
yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: java.io.IOException: 
Connection reset by peer
at 
org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
at 
io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at 
io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at 
io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at 
io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:28)
at 
org.apache.spark.network.client.TransportClient.stream(TransportClient.java:183)
at 
org.apache.spark.network.shuffle.OneForOneBlockFetcher$1.onSuccess(OneForOneBlockFetcher.java:123)
at 
org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:176)
at 
org.apache.spark.network.server.TransportChannelHandler.channelRead(TransportChannelHandler.java:120)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:343)
at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:336)
at 

[jira] [Updated] (SPARK-21253) Cannot fetch big blocks to disk

2017-06-29 Thread Yuming Wang (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-21253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yuming Wang updated SPARK-21253:

Description: 
Spark *cluster* can reproduce, *local* can't:

1. Start a spark context with {{spark.reducer.maxReqSizeShuffleToMem=1K}}:
{code:actionscript}
$ spark-shell --conf spark.reducer.maxReqSizeShuffleToMem=1K
{code}

2. Need a shuffe:
{code:actionscript}
scala> sc.parallelize(0 until 300, 10).repartition(2001).count()
{code}

The error messages:

{noformat}
org.apache.spark.shuffle.FetchFailedException: Failed to send request for 
1649611690367_2 to yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: 
java.io.IOException: Connection reset by peer
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:442)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:418)
at 
org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:59)
at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at 
org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
at 
org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:438)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
at scala.collection.AbstractIterator.to(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at 
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:108)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to send request for 1649611690367_2 to 
yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: java.io.IOException: 
Connection reset by peer
at 
org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
at 
io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at 
io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at 
io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at 
io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93)
at 
io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:28)
at 
org.apache.spark.network.client.TransportClient.stream(TransportClient.java:183)
at 
org.apache.spark.network.shuffle.OneForOneBlockFetcher$1.onSuccess(OneForOneBlockFetcher.java:123)
at 
org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:176)
at 
org.apache.spark.network.server.TransportChannelHandler.channelRead(TransportChannelHandler.java:120)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:343)
at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:336)
at 

[jira] [Updated] (SPARK-21253) Cannot fetch big blocks to disk

2017-06-29 Thread Yuming Wang (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-21253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yuming Wang updated SPARK-21253:

Attachment: ui-thread-dump-jqhadoop221-154.gif

> Cannot fetch big blocks to disk 
> 
>
> Key: SPARK-21253
> URL: https://issues.apache.org/jira/browse/SPARK-21253
> Project: Spark
>  Issue Type: Bug
>  Components: Spark Core
>Affects Versions: 2.2.0
>Reporter: Yuming Wang
> Attachments: ui-thread-dump-jqhadoop221-154.gif
>
>
> Spark *cluster* can reproduce, *local* can't:
> 1. Start a spark context with {{spark.reducer.maxReqSizeShuffleToMem=1K}}:
> {code:actionscript}
> $ spark-shell --conf spark.reducer.maxReqSizeShuffleToMem=1K
> {code}
> 2. Need a shuffe:
> {code:actionscript}
> scala> val count = sc.parallelize(0 until 300, 
> 10).repartition(2001).collect().length
> {code}
> The error messages:
> {noformat}
> org.apache.spark.shuffle.FetchFailedException: Failed to send request for 
> 1649611690367_2 to yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: 
> java.io.IOException: Connection reset by peer
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:442)
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:418)
> at 
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:59)
> at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at 
> org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
> at 
> org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:438)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$class.foreach(Iterator.scala:893)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
> at 
> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
> at 
> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
> at 
> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
> at 
> scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
> at scala.collection.AbstractIterator.to(Iterator.scala:1336)
> at 
> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
> at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
> at 
> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
> at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
> at 
> org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
> at 
> org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:936)
> at 
> org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
> at 
> org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2062)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
> at org.apache.spark.scheduler.Task.run(Task.scala:108)
> at 
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Failed to send request for 1649611690367_2 to 
> yhd-jqhadoop166.int.yihaodian.com/10.17.28.166:7337: java.io.IOException: 
> Connection reset by peer
> at 
> org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
> at 
> io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
> at 
> io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163)
> at 
> io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93)
> at 
> io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:28)
> at 
> org.apache.spark.network.client.TransportClient.stream(TransportClient.java:183)
> at 
>