Dev Lakhani created SPARK-10798: ----------------------------------- Summary: JsonMappingException with Spark Context Parallelize Key: SPARK-10798 URL: https://issues.apache.org/jira/browse/SPARK-10798 Project: Spark Issue Type: Bug Components: Spark Core Affects Versions: 1.5.0 Environment: Linux, Java 1.8.40 Reporter: Dev Lakhani
When trying to create an RDD of Rows using a Java Spark Context: List<Row> rows= new Vector<Row>(); rows.add(RowFactory.create("test")); javaSparkContext.parallelize(rows); I get : com.fasterxml.jackson.databind.JsonMappingException: (None,None) (of class scala.Tuple2) (through reference chain: org.apache.spark.rdd.RDDOperationScope["parent"]) at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:210) at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:177) at com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:187) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:647) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:128) at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:2881) at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:2338) at org.apache.spark.rdd.RDDOperationScope.toJson(RDDOperationScope.scala:50) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:141) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108) at org.apache.spark.SparkContext.withScope(SparkContext.scala:700) at org.apache.spark.SparkContext.parallelize(SparkContext.scala:714) at org.apache.spark.api.java.JavaSparkContext.parallelize(JavaSparkContext.scala:145) at org.apache.spark.api.java.JavaSparkContext.parallelize(JavaSparkContext.scala:157) ... Caused by: scala.MatchError: (None,None) (of class scala.Tuple2) at com.fasterxml.jackson.module.scala.ser.OptionSerializer$$anonfun$serialize$1.apply$mcV$sp(OptionSerializerModule.scala:32) at com.fasterxml.jackson.module.scala.ser.OptionSerializer$$anonfun$serialize$1.apply(OptionSerializerModule.scala:32) at com.fasterxml.jackson.module.scala.ser.OptionSerializer$$anonfun$serialize$1.apply(OptionSerializerModule.scala:32) at scala.Option.getOrElse(Option.scala:120) at com.fasterxml.jackson.module.scala.ser.OptionSerializer.serialize(OptionSerializerModule.scala:31) at com.fasterxml.jackson.module.scala.ser.OptionSerializer.serialize(OptionSerializerModule.scala:22) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) at com.fasterxml.jackson.module.scala.ser.OptionPropertyWriter.serializeAsField(OptionSerializerModule.scala:128) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ... 19 more I've tried updating jackson module scala to 2.6.1 but same issue. This happens in local mode with java 1.8_40 -- 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