[FLINK-29477] ClassCastException when collect primitive array to Python

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.16.0, 1.15.2
• Fix Version/s: 1.16.0, 1.15.3
• Component/s: API / Python
• Labels: pull-request-available
• Assignee: Juntao Hu
• Reporter: Juntao Hu
• Created: 30/Sep/22 02:21
• Updated: 16/Oct/22 04:34
• Resolved: 16/Oct/22 04:34

Description

How to reproduce this bug:

ds = env.from_collection([1, 2], type_info=Types.PRIMITIVE_ARRAY(Types.INT()))
ds.execute_and_collect()

got:

java.lang.ClassCastException: class [I cannot be cast to class [Ljava.lang.Object 

Issue Links

• links to: GitHub Pull Request #20928
• links to: GitHub Pull Request #21016