[GitHub] [spark] ulysses-you commented on pull request #33654: [SPARK-36429][SQL] JacksonParser should throw exception when data type unsupported.

[GitBox <gi...@apache.org>]

ulysses-you commented on pull request #33654:
URL: https://github.com/apache/spark/pull/33654#issuecomment-894160037


   Test failed in : https://github.com/ulysses-you/spark/runs/3259999523?check_suite_focus=true
   ```
   [info]   Cause: java.lang.Exception: Unsupported type: void
   [info]   at org.apache.spark.sql.errors.QueryExecutionErrors$.unsupportedTypeError(QueryExecutionErrors.scala:777)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.makeConverter(JacksonParser.scala:334)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.$anonfun$makeConverter$17(JacksonParser.scala:313)
   [info]   at scala.collection.immutable.List.map(List.scala:297)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.makeConverter(JacksonParser.scala:313)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.makeStructRootConverter(JacksonParser.scala:88)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.makeRootConverter(JacksonParser.scala:81)
   [info]   at org.apache.spark.sql.catalyst.json.JacksonParser.<init>(JacksonParser.scala:58)
   [info]   at org.apache.spark.sql.execution.datasources.json.JsonFileFormat.$anonfun$buildReader$2(JsonFileFormat.scala:121)
   [info]   at org.apache.spark.sql.execution.datasources.FileFormat$$anon$1.apply(FileFormat.scala:148)
   [info]   at org.apache.spark.sql.execution.datasources.FileFormat$$anon$1.apply(FileFormat.scala:133)
   [info]   at 
   ```
   
   Seems `JacksonParser` didn't match `NullType`. I created https://github.com/apache/spark/pull/33668
   


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