I agree with Victor. Such errors are often caused by scala version mixups (2.10 vs 2.11).
On Wed, Mar 9, 2016 at 2:42 AM, Vitor Vieira <vitorsv.vie...@gmail.com> wrote: > Hi Samiksha > > Could you post here what dependencies are you using. It looks like you > could be using outdated dependencies, or making unnecessary references to > an already imported dependency. > > Rgds, > > Vitor Vieira > @notvitor <https://twitter.com/notvitor> > > 2016-03-08 22:06 GMT-03:00 Sharma, Samiksha <samiksha.sha...@here.com>: > > > Hi, > > > > I am trying to run locally a storm topology in flink using the > flink-storm > > library , but I get the following error > > > > > > Exception in thread "main" java.lang.NoClassDefFoundError: > > scala/concurrent/ExecutionContext > > > > at > > > org.apache.flink.storm.api.FlinkLocalCluster.<init>(FlinkLocalCluster.java:54) > > > > at > > > com.medio.services.avalanche.storm.common.BaseTopology.deploy(BaseTopology.java:116) > > > > at > > > com.medio.services.avalanche.realtime.eventcounter.EventCounterTopology.main(EventCounterTopology.java:18) > > > > Caused by: java.lang.ClassNotFoundException: > > scala.concurrent.ExecutionContext > > > > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > > > > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) > > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > > > > ... 3 more > > > > > > > > It looks like the library is unable to find the ExecutionContext class > and > > I am not sure how to resolve this dependency. > > > > > > Thanks > > > > Samiksha Sharma > > >