Jimmy Xiang created HIVE-11586:
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Summary: ObjectInspectorFactory.getReflectionObjectInspector is
not thread-safe
Key: HIVE-11586
URL: https://issues.apache.org/jira/browse/HIVE-11586
Project: Hive
Issue Type: Bug
Reporter: Jimmy Xiang
Assignee: Jimmy Xiang
ObjectInspectorFactory#getReflectionObjectInspectorNoCache addes newly create
object inspector to the cache before calling its init() method, to allow
reusing the cache when dealing with recursive types. So a second thread can
then call getReflectionObjectInspector and fetch an uninitialized instance of
ReflectionStructObjectInspector.
Another issue is that if two threads calls
ObjectInspectorFactory.getReflectionObjectInspector at the same time. One
thread could get an object inspector not in the cache, i.e. they could both
call getReflectionObjectInspectorNoCache() but only one will put the new object
inspector to cache successfully.
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