I had a log file in which some patterns is of one kind and some others are of another kind for suppose
20-Sep-2017 11:17:32.257 WARNING [http-nio-8080-exec-405]
2017-09-20 11:17:34,370 http-nio-8080-exec-334 WARN
How to write a universal grok pattern to match these log patterns in a single log file.
Note: The column itself is not existing please help