Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database

Question

I am trying to run SparkSQL :

val sqlContext = new org.apache.spark.sql.hive.HiveContext(sc)  

But the error i m getting is below:

Answer 1

I was facing the same issue while creating table.

sqlContext.sql("CREATE TABLE....

I could see many entries for ps -ef | grep spark-shell so I killed all of them and restarted spark-shell. It worked for me.