服务器是否在主机“ localhost”上运行？ （:: 1）并在端口5432上接受TCP / IP连接？

问题描述

在进行任何操作之前，请注意，我在Stack Overflow和整个网络上的文章中发现了几个类似的问题，但是没有一个问题能帮助我解决问题：

Before anything, please note that I have found several similar questions on Stack Overflow and articles all over the web, but none of those helped me fix my issue:

• PG Error could not connect to server: Connection refused Is the server running on port 5432?
• PG::ConnectionBad - could not connect to server: Connection refused
• psql: could not connect to server: Connection refused

现在，这是问题所在：

• 我有一个像魅力。


• 与我的合作伙伴一起，我们使用GitHub进行协作。


• 我们有 master 和 mvp 分支。


• 我最近更新了<$带有Homebrew（Mac）的c $ c> git 版本。


• 我们使用Foreman在本地启动我们的应用。

• I have a Rails app that works like a charm.
• With my collaborator, we use GitHub to work together.
• We have a master and an mvp branches.
• I recently updated my git version with Homebrew (Mac).
• We use Foreman to start our app locally.

现在，当我尝试在本地启动应用程序时，出现以下错误：

Now, when I try to launch the app locally, I get the following error:

PG::ConnectionBad at /
could not connect to server: Connection refused
    Is the server running on host "localhost" (::1) and accepting
    TCP/IP connections on port 5432?
could not connect to server: Connection refused
    Is the server running on host "localhost" (127.0.0.1) and accepting
    TCP/IP connections on port 5432?

我尝试过多次重启计算机。

I tried to reboot my computers several times.

我还检查了 / usr / local / var / postgres 的内容：

PG_VERSION      pg_dynshmem     pg_multixact    pg_snapshots    pg_tblspc       postgresql.conf
base            pg_hba.conf     pg_notify       pg_stat         pg_twophase     postmaster.opts
global          pg_ident.conf   pg_replslot     pg_stat_tmp     pg_xlog         server.log
pg_clog         pg_logical      pg_serial       pg_subtrans     postgresql.auto.conf

如您所见，没有 postmaster.pid 文件。

有什么办法可以解决吗？

Any idea how I could fix this?

推荐答案

您很可能没电了，并且您的Postgresql服务器没有正确关闭。

You most likely ran out of battery and your postgresql server didn't shutdown correctly.

最简单的解决方法是下载官方的postgresql应用程序并启动它：它将强制服务器启动（）

The easiest workaround is to download the official postgresql app and launch it: it will force the server to start (http://postgresapp.com/)

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