Networking problems in Spark 1.6.0

Hi there, I have been using Spark 1.5.2 on my cluster without a problem and wanted to try Spark 1.6.0. I have the exact same configuration on both clusters. I am able to start the Standalone Cluster but I fail to submit a job getting errors like the following: 16/01/05 14:24:14 INFO

Re: Networking problems in Spark 1.6.0

​Still, it would be good to know what happened exactly. Why did the netty dependency expect Java 8? Did you build your app on a machine with Java 8 and deploy on a Java 7 machine?​ Anyway, I played with the 1.6.0 spark-shell using Java 7 and it worked fine. I also looked at the distribution's

Re: Networking problems in Spark 1.6.0

Yes, that was the case, the app was built with java 8. But that was the case with Spark 1.5.2 as well and it didn't complain. On 5 January 2016 at 16:40, Dean Wampler wrote: > ​Still, it would be good to know what happened exactly. Why did the netty > dependency expect

Re: Networking problems in Spark 1.6.0

Hi Dean, thanks so much for the response! It works without a problem now! On 5 January 2016 at 14:33, Dean Wampler wrote: > ConcurrentHashMap.keySet() returning a KeySetView is a Java 8 method. The > Java 7 method returns a Set. Are you running Java 7? What happens if

Re: Networking problems in Spark 1.6.0

ConcurrentHashMap.keySet() returning a KeySetView is a Java 8 method. The Java 7 method returns a Set. Are you running Java 7? What happens if you run Java 8? Dean Wampler, Ph.D. Author: Programming Scala, 2nd Edition (O'Reilly) Typesafe