[GitHub] incubator-zeppelin pull request: ZEPPELIN-179: Cassandra Interpret...

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

Github user Leemoonsoo commented on the pull request:

    https://github.com/apache/incubator-zeppelin/pull/162#issuecomment-125895799
  
    Now i have different class not found exception
    
    ```
    %cassandra
    describe tables
    
    java.lang.ClassNotFoundException: com.google.common.collect.ImmutableMap
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    	at com.datastax.driver.core.ProtocolVersion.<clinit>(ProtocolVersion.java:78)
    	at org.apache.zeppelin.cassandra.JavaDriverConfig.getProtocolVersion(JavaDriverConfig.scala:209)
    	at org.apache.zeppelin.cassandra.CassandraInterpreter.open(CassandraInterpreter.java:273)
    	at org.apache.zeppelin.interpreter.ClassloaderInterpreter.open(ClassloaderInterpreter.java:74)
    	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:68)
    	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:92)
    	at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:276)
    	at org.apache.zeppelin.scheduler.Job.run(Job.java:170)
    	at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:146)
    	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)
    ```
    
    If i run the same paragraph again, i get different exception on log file
    
    ```
    java.lang.NoClassDefFoundError: Could not initialize class com.datastax.driver.core.ProtocolVersion
    	at org.apache.zeppelin.cassandra.JavaDriverConfig.getProtocolVersion(JavaDriverConfig.scala:209)
    	at org.apache.zeppelin.cassandra.CassandraInterpreter.open(CassandraInterpreter.java:273)
    	at org.apache.zeppelin.interpreter.ClassloaderInterpreter.open(ClassloaderInterpreter.java:74)
    	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:68)
    	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:92)
    	at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:276)
    	at org.apache.zeppelin.scheduler.Job.run(Job.java:170)
    	at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:146)
    	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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