Hi Pillis, I met with the same problem here. Could you share how you solved the issue more specifically? I added an entry in /etc/hosts, but it doesn't help.
From: Pillis W [mailto:pillis.w...@gmail.com] Sent: Sunday, February 09, 2014 4:49 AM To: u...@spark.incubator.apache.org Subject: Re: Akka Connection refused - standalone cluster using spark-0.9.0 I fixed my issue - two IP addresses had the same hostname. Regards On Fri, Feb 7, 2014 at 12:59 PM, Soumya Simanta <soumya.sima...@gmail.com<mailto:soumya.sima...@gmail.com>> wrote: I see similar logs but only when I try to run a standalone Scala program. The whole setup works just fine if I'm using the spark-shell/REPL. On Fri, Feb 7, 2014 at 3:05 PM, mohankreddy <mre...@beanatomics.com<mailto:mre...@beanatomics.com>> wrote: Here's more information. I have the master up but when I try to get the workers up I am getting the following error. log4j:WARN No appenders could be found for logger (akka.event.slf4j.Slf4jLogger). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. 14/02/07 15:01:17 INFO Worker: Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties 14/02/07 15:01:17 INFO Worker: Starting Spark worker yyyyyyy:58020 with 16 cores, 67.0 GB RAM 14/02/07 15:01:17 INFO Worker: Spark home: /opt/spark 14/02/07 15:01:17 INFO WorkerWebUI: Started Worker web UI at http://yyyyyyyyy:8081 14/02/07 15:01:17 INFO Worker: Connecting to master spark://xxxxx/:7077... 14/02/07 15:01:17 INFO RemoteActorRefProvider$RemoteDeadLetterActorRef: Message [org.apache.spark.deploy.DeployMessages$RegisterWorker] from Actor[akka://sparkWorker/user/Worker#2037095035<tel:2037095035>] to Actor[akka://sparkWorker/deadLetters] was not delivered. [1] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 14/02/07 15:01:37 INFO Worker: Connecting to master spark://xxxxx/:7077... 14/02/07 15:01:37 INFO RemoteActorRefProvider$RemoteDeadLetterActorRef: Message [org.apache.spark.deploy.DeployMessages$RegisterWorker] from Actor[akka://sparkWorker/user/Worker#2037095035<tel:2037095035>] to Actor[akka://sparkWorker/deadLetters] was not delivered. [2] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 14/02/07 15:01:57 INFO Worker: Connecting to master spark://xxxx/:7077... 14/02/07 15:01:57 INFO RemoteActorRefProvider$RemoteDeadLetterActorRef: Message [org.apache.spark.deploy.DeployMessages$RegisterWorker] from Actor[akka://sparkWorker/user/Worker#2037095035<tel:2037095035>] to Actor[akka://sparkWorker/deadLetters] was not delivered. [3] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 14/02/07 15:02:17 ERROR Worker: All masters are unresponsive! Giving up. PS: I masked the IPs -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Akka-Connection-refused-standalone-cluster-using-spark-0-9-0-tp1297p1311.html Sent from the Apache Spark User List mailing list archive at Nabble.com.
