How to resolve issues related to Errors: 1) connection limit (1) exceeded 2) Too Many Open files error & 3) native OutOfMemory ?
Problem Definition:- ================ Usually these type of errors will be seen in WebLogic, WebSphere, Tomcat logs due to Unix resource exhaustion ie. when soft limit of the open file descriptor crossed the specified limit value. Before increasing the open file descriptor limit just check is there any process holding lock for deleted log files by using lsof command. Solution-1) Increase the open file descriptor value temporarily at user session level. Example: ulimit -n #command for checking current value of file descriptor ulimit -n 8192 # Command for increasing file descriptor value Solution-2) Increase the file descriptor limit using WebLogic commEnv.sh upto 12.1.3 OR commBaseEnv.sh from 12.2.1.1.0 on wards. Change from 4096 to higher value Similar to below Solution-3) Change the soft limit of file descriptor using /etc/security/limits.conf Current value: 409...