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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2017/08/08 21:06:00 UTC
[jira] [Resolved] (SPARK-21670) Encoders.bean() throws
UnsupportedOperationException if Java Bean Class contains an enum
[ https://issues.apache.org/jira/browse/SPARK-21670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-21670.
-------------------------------
Resolution: Duplicate
> Encoders.bean() throws UnsupportedOperationException if Java Bean Class contains an enum
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-21670
> URL: https://issues.apache.org/jira/browse/SPARK-21670
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0, 2.2.0
> Reporter: Lukas Bradley
>
> Invoking the following:
> Encoder encoder = Encoders.bean(EncoderExampleBean.class);
> On the following class:
> public class EncoderExampleBean {
> String name;
> EncoderExampleEnum example;
> }
> enum EncoderExampleEnum {
> ONE, TWO, THREE
> }
> Throws the following exception:
> java.lang.UnsupportedOperationException: Cannot have circular references in bean class, but got the circular reference of class class java.lang.ClassLoader
> at org.apache.spark.sql.catalyst.JavaTypeInference$.org$apache$spark$sql$catalyst$JavaTypeInference$$inferDataType(JavaTypeInference.scala:123)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:133)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:131)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:186)
> at org.apache.spark.sql.catalyst.JavaTypeInference$.org$apache$spark$sql$catalyst$JavaTypeInference$$inferDataType(JavaTypeInference.scala:131)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:133)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:131)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:186)
> at org.apache.spark.sql.catalyst.JavaTypeInference$.org$apache$spark$sql$catalyst$JavaTypeInference$$inferDataType(JavaTypeInference.scala:131)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:133)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:131)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:186)
> at org.apache.spark.sql.catalyst.JavaTypeInference$.org$apache$spark$sql$catalyst$JavaTypeInference$$inferDataType(JavaTypeInference.scala:131)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:133)
> at org.apache.spark.sql.catalyst.JavaTypeInference$$anonfun$1.apply(JavaTypeInference.scala:131)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:186)
> at org.apache.spark.sql.catalyst.JavaTypeInference$.org$apache$spark$sql$catalyst$JavaTypeInference$$inferDataType(JavaTypeInference.scala:131)
> at org.apache.spark.sql.catalyst.JavaTypeInference$.inferDataType(JavaTypeInference.scala:55)
> at org.apache.spark.sql.catalyst.encoders.ExpressionEncoder$.javaBean(ExpressionEncoder.scala:86)
> at org.apache.spark.sql.Encoders$.bean(Encoders.scala:142)
> at org.apache.spark.sql.Encoders.bean(Encoders.scala)
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