Lein: Exception in thread "Thread-3" java.net.ConnectException: Connection refused

leiningen

Leiningen是你的主要工具， 它用于：

1. 启动一个 REPL
2. 下载+安装类库
3. 运行你的程序
4. 启动一个服务器， 运行你所写的webapps

安装

brew install leiningen

打开repl

lein repl

1 2 3 4 5 6 7 8 9 10 11 12 13

lein repl nREPL server started on port 50438 on host 127.0.0.1 - nrepl://127.0.0.1:50438 REPL-y 0.3.5, nREPL 0.2.6 Clojure 1.6.0 Java HotSpot(TM) 64-Bit Server VM 1.8.0_40-b25 Docs: (doc function-name-here) (find-doc "part-of-name-here") Source: (source function-name-here) Javadoc: (javadoc java-object-or-class-here) Exit: Control+D or (exit) or (quit) Results: Stored in vars *1, *2, *3, an exception in *e user=>

运行时报错：

1 2 3 4 5 6 7 8 9 10

Exception in thread "Thread-3" java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at java.net.Socket.connect(Socket.java:538) at java.net.Socket.<init>(Socket.java:434) at java.net.Socket.<init>(Socket.java:211)

需要执行：sudo scutil --set HostName MyName.local

详见：https://github.com/technomancy/leiningen/issues/1321