I've connected Spark SQL to the Hive Metastore and currently I'm running SQL code via pyspark. Typically everything works fine, but sometimes after a long-running Spark SQL job I get the error below, and from then on I can no longer run Spark SQL commands. I still do have both my sc and my sqlCtx.
Any idea what this could mean? An error occurred while calling o36.sql. : org.apache.spark.sql.AnalysisException: Conf non-local session path expected to be non-null; at org.apache.spark.sql.hive.HiveQl$.createPlan(HiveQl.scala:260) at org.apache.spark.sql.hive.ExtendedHiveQlParser$$anonfun$hiveQl$1.apply(ExtendedHiveQlParser.scala:41) at org.apache.spark.sql.hive.ExtendedHiveQlParser$$anonfun$hiveQl$1.apply(ExtendedHiveQlParser.scala:40) at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:136) at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:135) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$map$1.apply(Parsers.scala:242) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$map$1.apply(Parsers.scala:242) at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:222) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1$$anonfun$apply$2.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1$$anonfun$apply$2.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Failure.append(Parsers.scala:202) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:222) at scala.util.parsing.combinator.Parsers$$anon$2$$anonfun$apply$14.apply(Parsers.scala:891) at scala.util.parsing.combinator.Parsers$$anon$2$$anonfun$apply$14.apply(Parsers.scala:891) at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) at scala.util.parsing.combinator.Parsers$$anon$2.apply(Parsers.scala:890) at scala.util.parsing.combinator.PackratParsers$$anon$1.apply(PackratParsers.scala:110) at org.apache.spark.sql.catalyst.AbstractSparkSQLParser.apply(AbstractSparkSQLParser.scala:38) at org.apache.spark.sql.hive.HiveQl$$anonfun$3.apply(HiveQl.scala:139) at org.apache.spark.sql.hive.HiveQl$$anonfun$3.apply(HiveQl.scala:139) at org.apache.spark.sql.SparkSQLParser$$anonfun$org$apache$spark$sql$SparkSQLParser$$others$1.apply(SparkSQLParser.scala:96) at org.apache.spark.sql.SparkSQLParser$$anonfun$org$apache$spark$sql$SparkSQLParser$$others$1.apply(SparkSQLParser.scala:95) at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:136) at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:135) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$map$1.apply(Parsers.scala:242) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$map$1.apply(Parsers.scala:242) at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:222) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1$$anonfun$apply$2.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1$$anonfun$apply$2.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Failure.append(Parsers.scala:202) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254) at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:222) at scala.util.parsing.combinator.Parsers$$anon$2$$anonfun$apply$14.apply(Parsers.scala:891) at scala.util.parsing.combinator.Parsers$$anon$2$$anonfun$apply$14.apply(Parsers.scala:891) at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) at scala.util.parsing.combinator.Parsers$$anon$2.apply(Parsers.scala:890) at scala.util.parsing.combinator.PackratParsers$$anon$1.apply(PackratParsers.scala:110) at org.apache.spark.sql.catalyst.AbstractSparkSQLParser.apply(AbstractSparkSQLParser.scala:38) at org.apache.spark.sql.hive.HiveQl$.parseSql(HiveQl.scala:235) at org.apache.spark.sql.hive.HiveContext$$anonfun$sql$1.apply(HiveContext.scala:92) at org.apache.spark.sql.hive.HiveContext$$anonfun$sql$1.apply(HiveContext.scala:92) at scala.Option.getOrElse(Option.scala:120) at org.apache.spark.sql.hive.HiveContext.sql(HiveContext.scala:92) at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379) at py4j.Gateway.invoke(Gateway.java:259) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:207) at java.lang.Thread.run(Thread.java:745) -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Spark-SQL-Exception-Conf-non-local-session-path-expected-to-be-non-null-tp25127.html Sent from the Apache Spark 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