Can't execute esbuild: "Permission denied" on windows 10

At7heb

I’m using phoenix 1.6.0 rc0. starting phx.server fails, with this message

$ mix phx.server
[info] Application esbuild exited: exited in: Esbuild.start(:normal, [])
    ** (EXIT) an exception was raised:
        ** (ErlangError) Erlang error: :eacces
            erlang.erl:4412: :erlang.open_port({:spawn_executable, 'c:/Users/at7wa/NoneDrive/dev/elixr/read_sound
s/_build/esbuild'}, [:use_stdio, :exit_status, :binary, :hide, {:args, ["--version"]}])

OK, so the code is trying to get the version of esbuild. Running it from bash shell:

$ pwd; ./esbuild --version
/c/Users/at7wa/NoneDrive/dev/elixr/read_sounds/_build
bash: ./esbuild: Permission denied

That seems compatible with :eacces error… What is esbuild?

$ pwd; ls -l esbuild; file esbuild
/c/Users/at7wa/NoneDrive/dev/elixr/read_sounds/_build
-rwxr-xr-x 1 at7wa 197609 6979072 Sep 10 08:56 esbuild*
esbuild: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows

Do I have to configure Windows to run this executable? Do I need to install Rust or Windows development tools?

Erlang version 24, Elixir 1.12.3, phoenix 1.6.0 rc 0

8 comments

/phoenix #windows #troubleshooting #esbuild #git-bash

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2021-09-10 16:46:58 UTC

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03juan

It’s the alternative to webpack for new Phoenix projects that doesn’t require npm and simplifies the asset pipeline.

What are the permissions of the _build/ directory? It may not have execute permissions somehow.

This

$ ls -la .
total 7.7M
drwxr-xr-x  3 juan juan 4.0K Aug 24 09:10 ./
drwxr-xr-x 10 juan juan 4.0K Aug 24 09:13 ../
drwxr-xr-x  3 juan juan 4.0K Aug 24 09:08 dev/
-rwxr-xr-x  1 juan juan 7.6M Aug 24 09:10 esbuild*

vs this

$ ls -la .
total 7.7M
drw-r--r--  3 juan juan    4096 Aug 24 09:10 .
drwxr-xr-x 10 juan juan    4096 Aug 24 09:13 ..
drwxr-xr-x  3 juan juan    4096 Aug 24 09:08 dev
-rwxr-xr-x  1 juan juan 7962624 Aug 24 09:10 esbuild

Post #1

At7heb

Permissions are similar.

$ ls -al .
total 6820
drwxr-xr-x 1 at7wa 197609       0 Sep 10 10:22 ./
drwxr-xr-x 1 at7wa 197609       0 Sep 10 08:36 ../
drwxr-xr-x 1 at7wa 197609       0 Sep 10 07:32 dev/
-rwxr-xr-x 1 at7wa 197609 6979072 Sep 10 08:56 esbuild*

Notable is that the file size of your esbuild is not the same as mine. What is the output from “file esbuild” on your system?

Post #2

03juan

Oh I’m running in Ubuntu under wsl2 whereas I assume you’re running straight on Windows? The size difference will be how Rust compiles for either system.

$ file esbuild
esbuild: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, Go BuildID=S5u5fTvaa2BJ32w9_CF8/QXKvNJ9FO27y42ntpVKG/DIt0p3ospEslSEvXWXmg/ltMk8agLtVC3qNEunUmb, stripped

Post #3

At7heb

Yes, I’m running straight Windows 10, using the git bash shell.

Post #4

03juan

Unfortunately I don’t have experience with that strategy so can’t help further. I was hoping my suggestion would be a quick win!

Could be related to this known git-for-windows issue? Errors when running "Git Bash" until it's run as administrator · Issue #1449 · git-for-windows/git · GitHub

Post #5

At7heb

thank you for the suggestions.

I’m not so familiar with installing erlang and elixir in wsl2, as well as my preferred IDE–visual studio code. Is there a good guide to getting started?

Post #6

03juan

I used asdf from within the Ubuntu wsl distro, as detailed in the Installing Elixir - The Elixir programming language (elixir-lang.org) docs.

I also use VSCode, and that has very good integration with WSL2. Once in the Ubuntu terminal you run code . in your application’s root directory and it will open VSCode in Windows connected to the subsystem.

Not much more to it, although if you want to run :observer from IEx there’s some X-forwarding setup you have to do to have the linux GUI displayed in WIndows.

How are you currently running postgres/DB of choice? Mine is setup through Docker for Windows and that also interfaces well with docker-compose in Ubuntu.

Post #7

At7heb

With hints from 03Juan, I found installation instructions for esbuild at https://esbuild.github.io/getting-started/#download-a-build. I used:

mkdir esbuild_temporary
cd esbuild_temporary
curl -O https://registry.npmjs.org/esbuild-windows-64/-/esbuild-windows-64-0.12.25.tgz

and did the required tar xf esbuild-windows-64-0.12.25.tgz.

That gave me an esbuild.exe that ran. I copied package/esbuild.exe to _builds/esbuild directory (the .exe suffix is not used) in my liveview project. I was finally able to start the server for phoenix.

Although this is a workaround, I’m going to mark this as a solution. (the real solution is to get phoenix 1.6.0 rc1 to install the correct esbuild.)

Post #8

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