LinuxQuestions.org - Max open file descriptors stuck at 1024?

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Max open file descriptors stuck at 1024?

hi i have a problem to crash down Tomcat Server again and again i got a Catalina log files that show
Jun 11, 2009 4:07:58 PM org.apache.tomcat.util.net.PoolTcpEndpoint acceptSocket
SEVERE: Endpoint ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=8080] ignored exception: java.net.SocketException: Too many open files
java.net.SocketException: Too many open files

i am unable to change
open files (-n) 1024
using ulimit -n 2048

but it is not changing.
how it is possible to change
Ravindra

Look at /etc/security/limits.conf.

-twantrd