Hi, If I'm trying to execute the function split in Spark SQL
I get following error in some situations. java.util.NoSuchElementException: key not found: split at scala.collection.MapLike$class.default(MapLike.scala:228) at scala.collection.AbstractMap.default(Map.scala:58) at scala.collection.mutable.HashMap.apply(HashMap.scala:64) at org.apache.spark.sql.catalyst.analysis.StringKeyHashMap.apply(FunctionRegistry.scala:92) at org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistry.lookupFunction(FunctionRegistry.scala:57) at org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13$$anonfun$applyOrElse$5.applyOrElse(Analyzer.scala:465) at org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13$$anonfun$applyOrElse$5.applyOrElse(Analyzer.scala:463) at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:51) at org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:221) at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:242) at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) at scala.collection.Iterator$class.foreach(Iterator.scala:727) at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273) at scala.collection.AbstractIterator.to(Iterator.scala:1157) at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) at org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenDown(TreeNode.scala:272) at org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:227) at org.apache.spark.sql.catalyst.plans.QueryPlan.org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionDown$1(QueryPlan.scala:75) at org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$1$$anonfun$apply$1.apply(QueryPlan.scala:90) Here are the situation when it works and does not work - 1. Case 1 : SPARK_HOME in zeppelin-env.sh is not specified, spark.home in interpreter UI is not specified - This does not work 2. Case 2 : SPARK_HOME in zeppelin-env.sh is not specified, spark.home in interpreter UI is specified - This does not work 3. Case 3 : SPARK_HOME in zeppelin-env.sh is specified, spark.home in interpreter UI is also specified - This does work 4. Case 4 : SPARK_HOME in zeppelin-env.sh is specified, spark.home in interpreter UI is not specified - This does work Any idea what is going on ? Also wondering what is the order of precedence between APARK_HOME in zeppelin-env.sh and spark.home in interpreter UI. Regards, Sourav .