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    Check if the field you try to read really exists in the database. If it is optional, just use com.mongodb.casbah.commons.MongoDBObject#getAs

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via DataStax JIRA by Piotr Kołaczkowski, 2 years ago
via DataStax JIRA by Piotr Kołaczkowski, 1 year ago
via DataStax JIRA by prashant4344, 1 year ago
via DataStax JIRA by Prashant Kumar, 2 years ago
via GitHub by compassur
, 2 years ago
key not found: 'org.apache.cassandra.db.marshal.SimpleDateType'
java.util.NoSuchElementException: key not found: table at scala.collection.MapLike$class.default(MapLike.scala:228) at org.apache.spark.sql.sources.CaseInsensitiveMap.default(ddl.scala:463) at scala.collection.MapLike$class.apply(MapLike.scala:141) at org.apache.spark.sql.sources.CaseInsensitiveMap.apply(ddl.scala:463) at org.apache.spark.sql.cassandra.DefaultSource$.TableRefAndOptions(DefaultSource.scala:120) at org.apache.spark.sql.cassandra.DefaultSource.createRelation(DefaultSource.scala:56) at org.apache.spark.sql.sources.ResolvedDataSource$.apply(ddl.scala:265) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:114) at org.apache.spark.sql.SQLContext.load(SQLContext.scala:1242) at com.datastax.spark.connector.sql.CassandraSQLSpec$$anonfun$41.apply$mcV$sp(CassandraSQLSpec.scala:350) at com.datastax.spark.connector.sql.CassandraSQLSpec$$anonfun$41.apply(CassandraSQLSpec.scala:297) at com.datastax.spark.connector.sql.CassandraSQLSpec$$anonfun$41.apply(CassandraSQLSpec.scala:297) at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22) at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85) at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) at org.scalatest.Transformer.apply(Transformer.scala:22) at org.scalatest.Transformer.apply(Transformer.scala:20) at org.scalatest.FlatSpecLike$$anon$1.apply(FlatSpecLike.scala:1647) at org.scalatest.Suite$class.withFixture(Suite.scala:1122) at org.scalatest.FlatSpec.withFixture(FlatSpec.scala:1683) at org.scalatest.FlatSpecLike$class.invokeWithFixture$1(FlatSpecLike.scala:1644) at org.scalatest.FlatSpecLike$$anonfun$runTest$1.apply(FlatSpecLike.scala:1656) at org.scalatest.FlatSpecLike$$anonfun$runTest$1.apply(FlatSpecLike.scala:1656) at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306) at org.scalatest.FlatSpecLike$class.runTest(FlatSpecLike.scala:1656) at org.scalatest.FlatSpec.runTest(FlatSpec.scala:1683) at org.scalatest.FlatSpecLike$$anonfun$runTests$1.apply(FlatSpecLike.scala:1714) at org.scalatest.FlatSpecLike$$anonfun$runTests$1.apply(FlatSpecLike.scala:1714) at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413) at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401) at scala.collection.immutable.List.foreach(List.scala:318) at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401) at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396) at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483) at org.scalatest.FlatSpecLike$class.runTests(FlatSpecLike.scala:1714) at org.scalatest.FlatSpec.runTests(FlatSpec.scala:1683) at org.scalatest.Suite$class.run(Suite.scala:1424) at org.scalatest.FlatSpec.org$scalatest$FlatSpecLike$$super$run(FlatSpec.scala:1683) at org.scalatest.FlatSpecLike$$anonfun$run$1.apply(FlatSpecLike.scala:1760) at org.scalatest.FlatSpecLike$$anonfun$run$1.apply(FlatSpecLike.scala:1760) at org.scalatest.SuperEngine.runImpl(Engine.scala:545) at org.scalatest.FlatSpecLike$class.run(FlatSpecLike.scala:1760) at com.datastax.spark.connector.sql.CassandraSQLSpec.org$scalatest$BeforeAndAfterAll$$super$run(CassandraSQLSpec.scala:11) at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257) at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256) at com.datastax.spark.connector.sql.CassandraSQLSpec.run(CassandraSQLSpec.scala:11) at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:466) at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:677) at sbt.ForkMain$Run$2.call(ForkMain.java:294) at sbt.ForkMain$Run$2.call(ForkMain.java:284) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)