java.net.SocketException: Too many files in weblogic/EM

Root Cause:
Maximum number of file descriptors configured for Server is less than 65535.

Resolution:
1. verify the maximum number of file descriptors currently configured using below command
    cat /proc/sys/fs/file-max
    if the value is less than 65535 then perform the following steps,
2. Edit the file /etc/security/limits.conf with root permission
    sudo vi /etc/security/limits.conf
3. Append the following two lines, using a value of 65535 or greater
     *                soft    nofile          65535
     *                hard    nofile          65535
4. Start a new terminal session
5. Execute the limit descriptors command to verify that descriptors has been increased to the specified value (at least 65535).
    limit descriptors
6. Restart Weblogic server.