Burak Yavuz created SPARK-21445:
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Summary: NotSerializableException thrown by UTF8String.IntWrapper
Key: SPARK-21445
URL: https://issues.apache.org/jira/browse/SPARK-21445
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Burak Yavuz
{code}
Caused by: java.io.NotSerializableException:
org.apache.spark.unsafe.types.UTF8String$IntWrapper
Serialization stack:
- object not serializable (class:
org.apache.spark.unsafe.types.UTF8String$IntWrapper, value:
org.apache.spark.unsafe.types.UTF8String$IntWrapper@326450e)
- field (class:
org.apache.spark.sql.catalyst.expressions.Cast$$anonfun$castToInt$1, name:
result$2, type: class org.apache.spark.unsafe.types.UTF8String$IntWrapper)
- object (class
org.apache.spark.sql.catalyst.expressions.Cast$$anonfun$castToInt$1,
<function1>)
{code}
Not exactly sure in which specific case this exception is thrown, because I
couldn't come up with a simple reproducer yet, but will include a test in the PR
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