Java.io.FileNotFoundException: * * * (Too many open files)

http://yizhilong28.iteye.com/blog/1154098

Run a multi-threaded read file program under Linux, there are hundreds of thousands of files to read. The program reads the following exception * * * * * (Too many open files).

The reason is because Linux restricts the number of files that are open at the same time in a session. In Redhat5, the value is 1024. You can use Ulimit-n authentication.

Solutions

1, temporarily modify the value, you can use

Java code

1. Ulimit-n XXXX

Java.io.FileNotFoundException: * * * (Too many open files)