Did you also recompile the plugin with the new Go toolchain? It's a
requirement of plugin support that the main program and all plugins be
compiled with the same toolchain.
On Tue, Aug 8, 2023 at 11:12 AM Bernd Fix <b...@hoi-polloi.org> wrote:
> After switching from go1.20.7 to go1.21.0 one of my applications
> compiles without warnings or errors, but fails at run-time with the
> following panic when loading a plugin:
>
> panic: regexp: Compile(`^([\w./]+)/((?:\w+)|[*])(.+)?$`): error parsing
> regexp: invalid escape sequence: `\w`
>
> goroutine 1 [running]:
> regexp.MustCompile({0x7fee026ddc4f, 0x1e})
> .../golang/src/regexp/regexp.go:319 +0xb4
> google.golang.org/grpc/internal/binarylog.init()
>
> .../ext/pkg/mod/
> google.golang.org/grpc@v1.57.0/internal/binarylog/env_config.go:135
> +0xf9
> plugin.open({0xc0000146b0, 0xe})
> .../golang/src/plugin/plugin_dlopen.go:95 +0x51c
> plugin.Open(...)
> .../golang/src/plugin/plugin.go:80
>
> The above regex compiles fine in go1.21.0 directly, so I wonder what is
> happening here.
>
> After switching back to 1.20.7 and a full recompilation, the application
> works fine again...
>
> Cheers, Bernd.
>
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>
--
Kurtis Rader
Caretaker of the exceptional canines Junior and Hank
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