socket:java.net.SocketException: Too many open files

On our Glassfish enviroment we started seeing the following error:
socket:java.net.SocketException: Too many open files
Its caused by a limit on the OS. To find out your OS limit type:
# ulimit -n
To check how many open files a process may have find out its PID and type:
# lsof -p XXX | wc -l
The solution is:
# vim /etc/security/limits.conf
Add
* soft nofile 2048
* hard nofile 2048
(yes also the *)
Now restart sysctl:
# sysctl -p
Logoff and logon and check it now
#ulimit -a
Hope this helps.
Cheers,

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