Re: Error while using session window

2019-06-17 Thread Piotr Nowojski
Hi, Thanks for reporting the issue. I think this might be caused by System.currentTimeMillis() not being monotonic [1] and the fact Flink is accessing this function per element multiple times (at least twice: first for creating a window, second to perform the check that has failed in your

Error while using session window

2019-06-14 Thread Abhishek Jain
Hi, I have a job that uses processing time session window with inactivity gap of 60ms where I intermittently run into the following exception. I'm trying to figure out what happened here. Haven't been able to reproduce this scenario. Any thoughts? java.lang.UnsupportedOperationException: *The end