请问Oracle的链接为什么不用连接池啊？

我遇到一个问题，服务和数据库之间有一层防火墙，会在检测到链接不用的时候给关闭，然后就导致我在运行的时候，总是会出现链接超时的问题，如果使用数据库连接池可能会解决一部分问题，于是想问一下，为什么咱们没有用连接池啊

The issue names Oracle connections, a firewall that closes idle links, and resulting timeouts, but it names no source file, test, or entry point. Start by locating where Oracle connections are created and determine whether connection pooling is supported; done would require a clearly scoped decision or implementation plan with verification for the timeout scenario.

Written by the indexing model from the issue text.