如何运行 Fast Scala Compiler 远程服务器？

发布于 2024-12-03 09:31:55 字数 230 浏览 0 评论 0原文

我想设置一个在盒子上运行的 fsc 进程，然后我可以远程访问该进程。

我知道我需要共享一个临时目录。

然而，我什至很难让它在我的笔记本电脑上运行。

我正在尝试：

fsc -Djava.io.tmpdir=/tempscala -server 127.0.0.1:8080

但它只是给了我使用选项......

帮助？

原文

I want to set an fsc process running on a box that I can then access remotely.

I understand I need to share a temp directory.

However, I'm struggling to even get it going on my laptop.

I'm trying:

fsc -Djava.io.tmpdir=/tempscala -server 127.0.0.1:8080

but it just gives me the usage options...

Help?

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陪我终i 2024-12-10 09:31:55

我认为您误解了 fsc 的作用。 fsc 启动一个守护进程，该进程在编译调用之间保持活动状态，因此不必每次都执行所有初始化工作。除非您有共享文件系统，否则您实际上无法在完全独立的机器上运行编译。

正如 Jeha 所说，您应该使用 -D 指定一个临时目录，然后是您想要编译的 scala 文件（这就是您获得使用说明的原因 - 它缺少一条重要的信息）。

您还需要删除 -server，因为 fsc 会选择它将运行的端口，并在您第一次运行它时告诉您。你会看到类似这样的行：

[Temp directory: /var/folders/oj/ojMgC8mDH4uK9fM5cjlK1E+++TI/-Tmp-/scala-devel/temp]
[Port number: 54056]
[Connected to compilation daemon at port 54056]

然后，当你想重新编译时，你只需再次调用相同的命令（仍然不需要指定服务器端口），最后当你完成后运行fsc -shutdown

请参阅此处查看手册页

I think you're mis-understanding what fsc does. fsc starts a daemon process which stays alive between calls to compile, so it doesn't have to do all the initializing work each time. You can't actually run the compile on a completely separate box unless you have a shared file system.

As Jeha says, you should specify a temp directory with -D, then the scala files you wish to compile (this is why you're getting the usage instructions - it's missing a vital piece of information).

You also need to drop the -server, as fsc picks the port it's going to run on, and tells you it the first time you run it. You'll see lines something like this:

[Temp directory: /var/folders/oj/ojMgC8mDH4uK9fM5cjlK1E+++TI/-Tmp-/scala-devel/temp]
[Port number: 54056]
[Connected to compilation daemon at port 54056]

Then, when you want to recompile, you just call the same command again (still no need to specify server ports), then finally when you're done run fsc -shutdown

see here for the man pages

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