shuiqiangchen commented on a change in pull request #14758:
URL: https://github.com/apache/flink/pull/14758#discussion_r566700684
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File path: flink-python/pyflink/fn_execution/operation_utils.py
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@@ -310,7 +310,7 @@ def wrapped_keyed_process_function(value):
on_timer_ctx.set_timestamp(value[1])
on_timer_ctx.timer_service().set_current_watermark(value[2])
current_key = value[3]
- on_timer_ctx.set_current_key(current_key)
+ on_timer_ctx.set_current_key(current_key[0])
Review comment:
Actually, this issue also exists in 1.12. It would be better to create a
new issue and fix it in a separate PR.
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