Huh indeed this worked, thanks. Do you know why this happens, is that some known issue?
Thanks, Eugen 2015-10-22 19:08 GMT+07:00 Akhil Das <ak...@sigmoidanalytics.com>: > Can you try fixing spark.blockManager.port to specific port and see if the > issue exists? > > Thanks > Best Regards > > On Mon, Oct 19, 2015 at 6:21 PM, Eugen Cepoi <cepoi.eu...@gmail.com> > wrote: > >> Hi, >> >> I am running spark streaming 1.4.1 on EMR (AMI 3.9) over YARN. >> The job is reading data from Kinesis and the batch size is of 30s (I used >> the same value for the kinesis checkpointing). >> In the executor logs I can see every 5 seconds a sequence of stacktraces >> indicating that the block replication failed. I am using the default >> storage level MEMORY_AND_DISK_SER_2. >> WAL is not enabled nor checkpointing (the checkpoint dir is configured >> for the spark context but not for the streaming context). >> >> Here is an example of those logs for ip-10-63-160-18. They occur in every >> executor while trying to replicate to any other executor. >> >> >> 15/10/19 03:11:55 INFO nio.SendingConnection: Initiating connection to >> [ip-10-63-160-18.ec2.internal/10.63.160.18:50929] >> 15/10/19 03:11:55 WARN nio.SendingConnection: Error finishing connection to >> ip-10-63-160-18.ec2.internal/10.63.160.18:50929 >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 ERROR nio.ConnectionManager: Exception while sending >> message. >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Notifying >> ConnectionManagerId(ip-10-63-160-18.ec2.internal,50929) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Handling connection error on >> connection to ConnectionManagerId(ip-10-63-160-18.ec2.internal,50929) >> 15/10/19 03:11:55 WARN storage.BlockManager: Failed to replicate >> input-1-1445242310000 to BlockManagerId(3, ip-10-159-151-22.ec2.internal, >> 50929), failure #0 >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Removing SendingConnection to >> ConnectionManagerId(ip-10-63-160-18.ec2.internal,50929) >> 15/10/19 03:11:55 INFO nio.SendingConnection: Initiating connection to >> [ip-10-63-160-18.ec2.internal/10.63.160.18:39506] >> 15/10/19 03:11:55 WARN nio.SendingConnection: Error finishing connection to >> ip-10-63-160-18.ec2.internal/10.63.160.18:39506 >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 ERROR nio.ConnectionManager: Exception while sending >> message. >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Notifying >> ConnectionManagerId(ip-10-63-160-18.ec2.internal,39506) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Handling connection error on >> connection to ConnectionManagerId(ip-10-63-160-18.ec2.internal,39506) >> 15/10/19 03:11:55 INFO nio.ConnectionManager: Removing SendingConnection to >> ConnectionManagerId(ip-10-63-160-18.ec2.internal,39506) >> 15/10/19 03:11:55 WARN storage.BlockManager: Failed to replicate >> input-1-1445242310000 to BlockManagerId(2, ip-10-141-12-91.ec2.internal, >> 39506), failure #1 >> java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.spark.network.nio.SendingConnection.finishConnect(Connection.scala:344) >> at >> org.apache.spark.network.nio.ConnectionManager$$anon$10.run(ConnectionManager.scala:292) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/10/19 03:11:55 WARN storage.BlockManager: Block input-1-1445242310000 >> replicated to only 0 peer(s) instead of 1 peers >> 15/10/19 03:11:55 INFO receiver.BlockGenerator: Pushed block >> input-1-1445242310000 >> >> >> >> Thanks, >> Eugen >> > >