This looks at a first glance like you are mixing up some versions of different modules. Either some Scala version mix, or Flink dependencies from different versions.
Can you double check that? On Thu, Dec 15, 2016 at 5:10 PM, Dominik Bruhn <domi...@dbruhn.de> wrote: > Hey, > I'm trying out 1.2 because I need the new Kafka 0.10 connector. > > I compiled my job using the SNAPSHOT releases of flink 1.2 and the job > works fine in local mode. > > The problem is that deploying the job to our EMR/YARN cluster fails with a > > ----- > java.lang.VerifyError: Cannot inherit from final class > at java.lang.ClassLoader.defineClass1(Native Method) > ----- > The full log is available here: > https://gist.github.com/theomega/18a40c36b5b12e62dad629c5cc4bc017 > > > The job is from my local machine to our EMR cluster. My local machine runs > a Flink 1.2 SNAPSHOT. > > Is this some kind of version conflict? > > The dependencies for the job are (sbt project): > ---- > resolvers += "Relayr Repo" at "https://s3-eu-west-1.amazonaw > s.com/relayr-maven" > resolvers += "Apache Snapshots" at "https://repository.apache.org > /content/groups/snapshots/" > > val flinkDependencies = Seq( > "org.apache.flink" %% "flink-scala" % flinkVersion % "provided" > exclude("log4j", "log4j") exclude("org.slf4j", "slf4j-log4j12"), > "org.apache.flink" %% "flink-streaming-scala" % flinkVersion % > "provided" exclude("log4j", "log4j") exclude("org.slf4j", "slf4j-log4j12"), > > "org.apache.flink" %% "flink-connector-kafka-0.10" % flinkVersion > exclude("log4j", "log4j") exclude("org.slf4j", "slf4j-log4j12"), > "org.apache.flink" %% "flink-connector-cassandra" % flinkVersion > exclude("log4j", "log4j") exclude("org.slf4j", "slf4j-log4j12"), > > "org.json" % "json" % "20160212", > "org.clapper" %% "grizzled-slf4j" % "1.3.0", > "ch.qos.logback" % "logback-classic" % "1.1.7" % "provided", > "com.datadoghq" % "java-dogstatsd-client" % "2.3", > "io.dropwizard.metrics" % "metrics-core" % "3.1.2", > > "org.scalatest" %% "scalatest" % "2.2.6" % "test" > ) > ---- > > > How can I debug this further? > > Thanks, > Dominik >