Eric Lo created SPARK-23453:
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Summary: ToolBox compiled Spark UDAF causes
java.lang.InternalError: Malformed class name
Key: SPARK-23453
URL: https://issues.apache.org/jira/browse/SPARK-23453
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.2.1
Environment: Spark 2.2.1
Scala 2.11.11
JDK 1.8
Reporter: Eric Lo
Here is a weird problem I just ran into... My scenario is that I need to
compile UDAF dynamically at runtime but it never worked.
I am using Scala 2.11.11 and Spark 2.2.1, please refer to my [StackOverflow
post|https://stackoverflow.com/questions/48820212/toolbox-compiled-spark-udaf-causes-java-lang-internalerror-malformed-class-name]
for detailed information. The problem itself is very similar to other
Malformed class name tickets (for example -
[https://github.com/apache/spark/pull/9568]) - which were caused by calling
getSimpleName of nested class/object but actually it is different in this case
and the problem is still there. The getSimpleName issue has been fixed in Java
9 which Spark doesn't support it yet...so...any solution/workaround is
appreciated.
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