In the picture, it turned out that I can use python interpreter but not spark. I have no idea why. Please give me help. I'm totally lost. Here is the command window of zeppelin My code is just 1 + 1 , to test whether I can run different interpreter.
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                    oh sorry, I'll delete it and reask. – Joey Feb 20 '19 at 10:47
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                    1Thanks for your advice. I'm a newbie in programming world☺️ – Joey Feb 20 '19 at 10:56
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        It seems, you have incompatible versions of Java and Scala or JAVA_HOME is not set.
Please go thru this related question, how to fix and about the issue
Failed to initialize compiler: object java.lang.Object in compiler mirror not found
 
    
    
        Ranga Vure
        
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                    Thank you so much! I download the needed JDK 8 from the oracle and remove the previous version in my mac. And now I can run the scala code in zeppelin. – Joey Feb 20 '19 at 13:23
