Dear all, Here is an issue that gets me mad. I wrote a UserDefineType in order to be able to store a custom type in a parquet file. In my code I just create a DataFrame with my custom data type and write in into a parquet file. When I run my code directly inside idea every thing works like a charm. But when I create the assembly jar with sbt assembly and run the same code with spark-submit I get the following error :
*15/04/16 17:02:17 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 0)* *java.lang.IllegalArgumentException: Unsupported dataType: {"type":"struct","fields":[{"name":"metadata","type":{"type":"udt","class":"org.apache.spark.vision.types.ImageMetadataUDT","pyClass":null,"sqlType":{"type":"struct","fields":[{"name":"name","type":"string","nullable":true,"metadata":{}},{"name":"encoding","type":"string","nullable":true,"metadata":{}},{"name":"cameraId","type":"string","nullable":true,"metadata":{}},{"name":"timestamp","type":"string","nullable":true,"metadata":{}},{"name":"frameId","type":"string","nullable":true,"metadata":{}}]}},"nullable":true,"metadata":{}}]}, [1.1] failure: `TimestampType' expected but `{' found* *{"type":"struct","fields":[{"name":"metadata","type":{"type":"udt","class":"org.apache.spark.vision.types.ImageMetadataUDT","pyClass":null,"sqlType":{"type":"struct","fields":[{"name":"name","type":"string","nullable":true,"metadata":{}},{"name":"encoding","type":"string","nullable":true,"metadata":{}},{"name":"cameraId","type":"string","nullable":true,"metadata":{}},{"name":"timestamp","type":"string","nullable":true,"metadata":{}},{"name":"frameId","type":"string","nullable":true,"metadata":{}}]}},"nullable":true,"metadata":{}}]}* *^* * at org.apache.spark.sql.types.DataType$CaseClassStringParser$.apply(dataTypes.scala:163)* * at org.apache.spark.sql.types.DataType$.fromCaseClassString(dataTypes.scala:98)* * at org.apache.spark.sql.parquet.ParquetTypesConverter$$anonfun$6.apply(ParquetTypes.scala:402)* * at org.apache.spark.sql.parquet.ParquetTypesConverter$$anonfun$6.apply(ParquetTypes.scala:402)* * at scala.util.Try.getOrElse(Try.scala:77)* * at org.apache.spark.sql.parquet.ParquetTypesConverter$.convertFromString(ParquetTypes.scala:402)* * at org.apache.spark.sql.parquet.RowWriteSupport.init(ParquetTableSupport.scala:145)* * at parquet.hadoop.ParquetOutputFormat.getRecordWriter(ParquetOutputFormat.java:278)* * at parquet.hadoop.ParquetOutputFormat.getRecordWriter(ParquetOutputFormat.java:252)* * at org.apache.spark.sql.parquet.ParquetRelation2.org <http://org.apache.spark.sql.parquet.ParquetRelation2.org>$apache$spark$sql$parquet$ParquetRelation2$$writeShard$1(newParquet.scala:691)* * at org.apache.spark.sql.parquet.ParquetRelation2$$anonfun$insert$2.apply(newParquet.scala:713)* * at org.apache.spark.sql.parquet.ParquetRelation2$$anonfun$insert$2.apply(newParquet.scala:713)* * at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)* * at org.apache.spark.scheduler.Task.run(Task.scala:64)* * at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:210)* * 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)*