Cheng Lian created SPARK-2129: --------------------------------- Summary: NPE thrown while lookup a view Key: SPARK-2129 URL: https://issues.apache.org/jira/browse/SPARK-2129 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 1.0.0 Reporter: Cheng Lian
{code} scala> hql("create table t1(key int, value string)") ... scala> hql("create view v as select * from t1") ... scala> table("v") ... java.lang.NullPointerException at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at org.apache.spark.sql.hive.MetastoreRelation.<init>(HiveMetastoreCatalog.scala:261) at org.apache.spark.sql.hive.HiveMetastoreCatalog.lookupRelation(HiveMetastoreCatalog.scala:66) at org.apache.spark.sql.hive.HiveContext$$anon$2.org$apache$spark$sql$catalyst$analysis$OverrideCatalog$$super$lookupRelation(HiveContext.scala:149) at org.apache.spark.sql.catalyst.analysis.OverrideCatalog$$anonfun$lookupRelation$3.apply(Catalog.scala:96) at org.apache.spark.sql.catalyst.analysis.OverrideCatalog$$anonfun$lookupRelation$3.apply(Catalog.scala:96) at scala.Option.getOrElse(Option.scala:120) at org.apache.spark.sql.catalyst.analysis.OverrideCatalog$class.lookupRelation(Catalog.scala:96) at org.apache.spark.sql.hive.HiveContext$$anon$2.lookupRelation(HiveContext.scala:155) at org.apache.spark.sql.SQLContext.table(SQLContext.scala:161) at .<init>(<console>:40) at .<clinit>(<console>) at .<init>(<console>:7) at .<clinit>(<console>) at $print(<console>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:734) at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:983) at scala.tools.nsc.interpreter.IMain.loadAndRunReq$1(IMain.scala:573) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:604) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:568) at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:760) at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:805) at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:717) at scala.tools.nsc.interpreter.ILoop.processLine$1(ILoop.scala:581) at scala.tools.nsc.interpreter.ILoop.innerLoop$1(ILoop.scala:588) at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:591) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:882) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:837) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:837) at scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135) at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:837) at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:904) at xsbt.ConsoleInterface.run(ConsoleInterface.scala:69) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:102) at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:77) at sbt.Console.sbt$Console$$console0$1(Console.scala:23) at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:24) at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24) at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24) at sbt.Logger$$anon$4.apply(Logger.scala:90) at sbt.TrapExit$App.run(TrapExit.scala:244) at java.lang.Thread.run(Thread.java:745) {code} This issue can be triggered by console version of the {{join_view}} test case of the {{HiveCompatibilitySuite}}. When running inside {{HiveCompatibilitySuite}}, the exception is eaten up by {{SQLContext.stringOrError}}. When attacking [SPARK-2094|https://issues.apache.org/jira/browse/SPARK-2094], we added physical plans for DDL and commands, no longer taking the {{stringOnError}} route, and the exception is thrown. -- This message was sent by Atlassian JIRA (v6.2#6252)