[ https://issues.apache.org/jira/browse/SPARK-9033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Josh Rosen updated SPARK-9033: ------------------------------ Description: I've a java.util.Map<String, String> field in a POJO class and I'm trying to use it to createDataFrame (1.3.1) / applySchema(1.2.2) with the SQLContext and getting following error in both 1.2.2 & 1.3.1 versions of the Spark SQL: *sample code: {code} SQLContext sqlCtx = new SQLContext(sc.sc()); JavaRDD<Event> rdd = sc.textFile("/path").map(line-> Event.fromString(line)); //text line is splitted and assigned to respective field of the event class here DataFrame schemaRDD = sqlCtx.createDataFrame(rdd, Event.class); <-- error thrown here schemaRDD.registerTempTable("events"); {code} Event class is a Serializable containing a field of type java.util.Map<String, String>. This issue occurs also with Spark streaming when used with SQL. {code} JavaDStream<String> receiverStream = jssc.receiverStream(new StreamingReceiver()); JavaDStream<String> windowDStream = receiverStream.window(WINDOW_LENGTH, SLIDE_INTERVAL); jssc.checkpoint("event-streaming"); windowDStream.foreachRDD(evRDD -> { if(evRDD.count() == 0) return null; DataFrame schemaRDD = sqlCtx.createDataFrame(evRDD, Event.class); schemaRDD.registerTempTable("events"); ... } {code} *error: {code} scala.MatchError: interface java.util.Map (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] {code} **also this occurs for fields of custom POJO classes: {code} scala.MatchError: class com.test.MyClass (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] {code} **also occurs for Calendar type: {code} scala.MatchError: class java.util.Calendar (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] {code} was: I've a java.util.Map<String, String> field in a POJO class and I'm trying to use it to createDataFrame (1.3.1) / applySchema(1.2.2) with the SQLContext and getting following error in both 1.2.2 & 1.3.1 versions of the Spark SQL: *sample code: SQLContext sqlCtx = new SQLContext(sc.sc()); JavaRDD<Event> rdd = sc.textFile("/path").map(line-> Event.fromString(line)); //text line is splitted and assigned to respective field of the event class here DataFrame schemaRDD = sqlCtx.createDataFrame(rdd, Event.class); <-- error thrown here schemaRDD.registerTempTable("events"); Event class is a Serializable containing a field of type java.util.Map<String, String>. This issue occurs also with Spark streaming when used with SQL. JavaDStream<String> receiverStream = jssc.receiverStream(new StreamingReceiver()); JavaDStream<String> windowDStream = receiverStream.window(WINDOW_LENGTH, SLIDE_INTERVAL); jssc.checkpoint("event-streaming"); windowDStream.foreachRDD(evRDD -> { if(evRDD.count() == 0) return null; DataFrame schemaRDD = sqlCtx.createDataFrame(evRDD, Event.class); schemaRDD.registerTempTable("events"); ... } *error: scala.MatchError: interface java.util.Map (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] **also this occurs for fields of custom POJO classes: scala.MatchError: class com.test.MyClass (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] **also occurs for Calendar type: scala.MatchError: class java.util.Calendar (of class java.lang.Class) at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) ~[scala-library-2.10.5.jar:na] at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) ~[scala-library-2.10.5.jar:na] at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) ~[spark-sql_2.10-1.3.1.jar:1.3.1] at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) ~[spark-sql_2.10-1.3.1.jar:1.3.1] > scala.MatchError: interface java.util.Map (of class java.lang.Class) with > Spark SQL > ----------------------------------------------------------------------------------- > > Key: SPARK-9033 > URL: https://issues.apache.org/jira/browse/SPARK-9033 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 1.2.2, 1.3.1 > Reporter: Pavel > > I've a java.util.Map<String, String> field in a POJO class and I'm trying to > use it to createDataFrame (1.3.1) / applySchema(1.2.2) with the SQLContext > and getting following error in both 1.2.2 & 1.3.1 versions of the Spark SQL: > *sample code: > {code} > SQLContext sqlCtx = new SQLContext(sc.sc()); > JavaRDD<Event> rdd = sc.textFile("/path").map(line-> Event.fromString(line)); > //text line is splitted and assigned to respective field of the event class > here > DataFrame schemaRDD = sqlCtx.createDataFrame(rdd, Event.class); <-- error > thrown here > schemaRDD.registerTempTable("events"); > {code} > Event class is a Serializable containing a field of type > java.util.Map<String, String>. This issue occurs also with Spark streaming > when used with SQL. > {code} > JavaDStream<String> receiverStream = jssc.receiverStream(new > StreamingReceiver()); > JavaDStream<String> windowDStream = receiverStream.window(WINDOW_LENGTH, > SLIDE_INTERVAL); > jssc.checkpoint("event-streaming"); > windowDStream.foreachRDD(evRDD -> { > if(evRDD.count() == 0) return null; > DataFrame schemaRDD = sqlCtx.createDataFrame(evRDD, Event.class); > schemaRDD.registerTempTable("events"); > ... > } > {code} > *error: > {code} > scala.MatchError: interface java.util.Map (of class java.lang.Class) > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$class.map(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > {code} > **also this occurs for fields of custom POJO classes: > {code} > scala.MatchError: class com.test.MyClass (of class java.lang.Class) > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$class.map(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > {code} > **also occurs for Calendar type: > {code} > scala.MatchError: class java.util.Calendar (of class java.lang.Class) > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1193) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext$$anonfun$getSchema$1.apply(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at > scala.collection.TraversableLike$class.map(TraversableLike.scala:244) > ~[scala-library-2.10.5.jar:na] > at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108) > ~[scala-library-2.10.5.jar:na] > at org.apache.spark.sql.SQLContext.getSchema(SQLContext.scala:1192) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:437) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > at > org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:465) > ~[spark-sql_2.10-1.3.1.jar:1.3.1] > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org