Hi @shaunak
Sure, let me please provide more details.
For logging we are using log4j with  ConversattionPattern: %d [%t] %-5p - %m%n
So sample loog look like: https://pastebin.com/V1NnxMQc
whenever line in log file starts with pattern "%d [%t] %-5p" defined by log4j filebeat should group next lines till pattern occur again. Expected multiline logs will look like:
Thanks, Mateusz