I am testing spark within zeppelin. But in running tutorial %spark2.spark spark.verson It throws the following error: java.lang.NullPointerException at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38) at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:33) at org.apache.zeppelin.spark.SparkInterpreter.createSparkContext_2(SparkInterpreter.java:391) at org.apache.zeppelin.spark.SparkInterpreter.createSparkContext(SparkInterpreter.java:380) at org.apache.zeppelin.spark.SparkInterpreter.getSparkContext(SparkInterpreter.java:146) at org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:828) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:483) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Then I disable the hive context according to https://stackoverflow.com/questions/43289067/getting-nullpointerexception-when-running-spark-code-in-zeppelin-0-7-1 , the same exception is still thrown. How to solve it? ========================================================= Update 1: I have checked the spark interpreter log, and get the following error: requirement failed:/python/lib/pyspark.zip not found;cannot run pyspark application in YARN mode. How to locate this file or config the path? ... View more

I am trying on installing and running Apache Ranger, however, it throws "Java patch PatchPasswordEncryption_J10001is being applied by some other process" warning and stuck on this stage. I have followed this instruction https://community.hortonworks.com/content/supportkb/148592/errorjava-patch-patchpasswordencryption-j10001-is.html , but it still not work. Can anyone help me? ... View more

When I try to upgrade hdp version from 2.6.1 to 2.6.4, I meet the following pre-upgrade checks error : The following service configurations have been updated and their Service Checks should be run again: HDFS, OOZIE,ZOOKEEPER,HIVE,FLUME,KAFKA,SPARK2 Failed on: HDFS, OOZIE,ZOOKEEPER,HIVE,FLUME,KAFKA,SPARK2 ... View more

Hi, buddies,   I meet a problem when I tried to install cdh using mysql as my external database.   After I installing the mysql and configuring it well, the cloudera scm server service log shows : Tabes hive unsupported engin type [MyISAM, CSV]. InnoDB is required,. Table mapping : ****   I have set the innodb as the default engine of Mysql, and tried to change the existed tables to InnoDB engine. However, InnoDB engine  cannot be applied on some tables like user, tables_priv and slow_log.  The error message is: ERROR 1579: This storage engine cannot be used for table ***   How to resolve it？   Thanks a lot！ ... View more