[jira] [Created] (SPARK-36379) Null at root level of a JSON array causes the parsing failure (w/ permissive mode)

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

Hyukjin Kwon created SPARK-36379:
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             Summary: Null at root level of a JSON array causes the parsing failure (w/ permissive mode)
                 Key: SPARK-36379
                 URL: https://issues.apache.org/jira/browse/SPARK-36379
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.1.2, 3.2.0, 3.3.0
            Reporter: Hyukjin Kwon



{code}
scala> spark.read.json(Seq("""[{"a": "str"}, null, {"a": "str"}]""").toDS).collect()
{code}

{code}
...
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0 (TID 1) (172.30.3.20 executor driver): java.lang.NullPointerException
	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown Source)
	at org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
	at org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:759)
{code}

Since the mode (by default) is permissive, we shouldn't just fail like above.



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