[GitHub] incubator-zeppelin pull request: [WIP] ZEPPELIN-145 Upgrade Flink ...

[Leemoonsoo <gi...@git.apache.org>]

Github user Leemoonsoo commented on the pull request:

    https://github.com/apache/incubator-zeppelin/pull/142#issuecomment-118447430
  
    I have changed implementation to use FlinkILoop. but i'm getting an exception ..
    
    ```
    val text = env.fromElements("To be, or not to be")
    
    val counts = text.flatMap { _.toLowerCase.split("\\W+") }.
        map { (_, 1) }.
        groupBy(0).
        sum(1)
    
    val wc = counts.collect
    --------------------------------------------------------------------------------------------------------
    text: org.apache.flink.api.scala.DataSet[String] = org.apache.flink.api.scala.DataSet@63d817c0
    counts: org.apache.flink.api.scala.AggregateDataSet[(String, Int)] = org.apache.flink.api.scala.AggregateDataSet@7fcca542
    java.lang.IllegalAccessError: tried to access field org.apache.flink.api.java.RemoteEnvironment.host from class org.apache.flink.api.java.ScalaShellRemoteEnvironment
    	at org.apache.flink.api.java.ScalaShellRemoteEnvironment.execute(ScalaShellRemoteEnvironment.java:65)
    	at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:798)
    	at org.apache.flink.api.scala.ExecutionEnvironment.execute(ExecutionEnvironment.scala:582)
    	at org.apache.flink.api.scala.DataSet.collect(DataSet.scala:542)
    	at .<init>(<console>:21)
    	at .<clinit>(<console>)
    	at .<init>(<console>:7)
    	at .<clinit>(<console>)
    	at $print(<console>)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:606)
    	at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:734)
    	at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:983)
    	at scala.tools.nsc.interpreter.IMain.loadAndRunReq$1(IMain.scala:573)
    	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:604)
    	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:568)
    	at org.apache.zeppelin.flink.FlinkInterpreter.interpret(FlinkInterpreter.java:251)
    	at org.apache.zeppelin.flink.FlinkInterpreter.interpret(FlinkInterpreter.java:230)
    	at org.apache.zeppelin.interpreter.ClassloaderInterpreter.interpret(ClassloaderInterpreter.java:57)
    	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:93)
    	at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:277)
    	at org.apache.zeppelin.scheduler.Job.run(Job.java:170)
    	at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:118)
    	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
    	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java: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)
    ```


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