opam install opaml-lsp-server fails
#1512
-
|
Beta Was this translation helpful? Give feedback.
Replies: 4 comments 9 replies
-
|
This is actually an issue related to opam that happens in some (not-yet clear) circumstances (@kit-ty-kate, @dra27). Your environment variable might have wrong values: Both Usually opening a new terminal and retrying the installation should work. If not you can manually set the environment variables. |
Beta Was this translation helpful? Give feedback.
-
|
I realized I'm running an old 4.14.0 version so I removed ~/.opam and reinstalled it again. Now stdune is the one that fails. $ env | grep OCAML
OCAMLTOP_INCLUDE_PATH=/home/user/.opam/default/lib/toplevel
OCAML_TOPLEVEL_PATH=/home/user/.opam/default/lib/topleveland the log is: As for the shell: |
Beta Was this translation helpful? Give feedback.
-
Thanks a lot for saying that, that was the hint i needed to finally understand this issue. To fix your issue, it should be as easy as looking at your environment and unsetting the offending ocaml related environment variables |
Beta Was this translation helpful? Give feedback.
-
|
By "offending" which of these do you mean? They all seem to be updated to the default which is the most recent switch. I logged in to a new user session to reset previous environment variables. |
Beta Was this translation helpful? Give feedback.
-
|
I removed ~/.opam again. Logged in a new user session to reset all environment variables. |
Beta Was this translation helpful? Give feedback.
-
|
That issue is a different one. You have installed libraries The way to get rid of this problem is to not use the The good news is that this category of problem should be greatly reduced starting with the upcoming opam 2.4 (first alpha due in a 1/2 weeks) as it won't pick up |
Beta Was this translation helpful? Give feedback.
-
|
On Thu Apr 3, 2025 at 4:18 AM PDT, Kate wrote:
```
opam switch set-invariant --formula '"ocaml-base-compiler" {>= "5.3.0"}'
```
I tried the command and now there seems to be an issue with topkg.
```
$ opam install ocaml-lsp-server
The following actions will be performed:
=== install 5 packages
∗ astring 0.8.5 [required by ocaml-lsp-server]
∗ lsp 1.22.0 [required by ocaml-lsp-server]
∗ ocaml-lsp-server 1.22.0
∗ topkg 1.0.8 [required by astring]
∗ uutf 1.0.4 [required by lsp]
Proceed with ∗ 5 installations? [y/n] y
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved astring.0.8.5 (cached)
⬇ retrieved uutf.1.0.4 (cached)
⬇ retrieved topkg.1.0.8 (cached)
⬇ retrieved lsp.1.22.0, ocaml-lsp-server.1.22.0 (cached)
[ERROR] The compilation of topkg.1.0.8 failed at "ocaml pkg/pkg.ml build --pkg-name topkg --dev-pkg false".
#=== ERROR while compiling topkg.1.0.8 ========================================#
# context 2.3.0 | linux/x86_64 | ocaml-base-compiler.5.3.0 | https://opam.ocaml.org#07a22d1525d3ff370885818e89f9f7028e4639cc
# path ~/.opam/default/.opam-switch/build/topkg.1.0.8
# command ~/.opam/opam-init/hooks/sandbox.sh build ocaml pkg/pkg.ml build --pkg-name topkg --dev-pkg false
# exit-code 125
# env-file ~/.opam/log/topkg-658071-7587c4.env
# output-file ~/.opam/log/topkg-658071-7587c4.out
### output ###
# Exception: Fl_package_base.No_such_package ("findlib", "").
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build topkg 1.0.8
└─
╶─ No changes have been performed
```
Thank you for your help
Avid
|
Beta Was this translation helpful? Give feedback.
-
|
Could you show what's in your environment ( |
Beta Was this translation helpful? Give feedback.
-
|
On Thu Apr 3, 2025 at 4:15 PM PDT, Kate wrote:
Could you show what's in your environment (`env | grep -E 'OPAM|CAML'`), and also the result of `opam env`?
```
$ env | grep -E 'OPAM|OCAML'
OPAMNOENVNOTICE=true
OPAM_SWITCH_PREFIX=/home/user/.opam/default
OCAMLTOP_INCLUDE_PATH=/home/user/.opam/default/lib/toplevel
OCAML_TOPLEVEL_PATH=/home/user/.opam/default/lib/toplevel
OPAM_LAST_ENV=/home/user/.opam/.last-env/env-188d0543f48f4aac6402ebc353845d2c-0
$ opam env
OPAM_LAST_ENV='/home/user/.opam/.last-env/env-188d0543f48f4aac6402ebc353845d2c-0'; export OPAM_LAST_ENV;
OPAM_SWITCH_PREFIX='/home/user/.opam/default'; export OPAM_SWITCH_PREFIX;
OCAMLTOP_INCLUDE_PATH='/home/user/.opam/default/lib/toplevel'; export OCAMLTOP_INCLUDE_PATH;
CAML_LD_LIBRARY_PATH='/home/user/.opam/default/lib/stublibs:/home/user/.opam/default/lib/ocaml/stublibs:/home/user/.opam/default/lib/ocaml'; export CAML_LD_LIBRARY_PATH;
OCAML_TOPLEVEL_PATH='/home/user/.opam/default/lib/toplevel'; export OCAML_TOPLEVEL_PATH;
MANPATH=':/home/user/.opam/default/man'; export MANPATH;
PATH='/home/user/.opam/default/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/var/lib/flatpak/exports/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/home/user/.local/bin'; export PATH;
```
If debugging via IRC would make it easier for you, I'm avidseeker on
libera.chat
Thanks again
|
Beta Was this translation helpful? Give feedback.
-
|
our respective timezones might be a bit too far apart for some efficient debugging via IRC at the moment, but i've ping you there just in case. In the meantime could you show the result of (1): you mistakenly added an |
Beta Was this translation helpful? Give feedback.
-
|
```
$ which ocamlfind
/home/user/.opam/default/bin/ocamlfind
$ ocamlfind printconf
Effective configuration:
Configuration file:
/home/user/.opam/default/lib/findlib.conf
Search path:
/home/user/.opam/default/lib/ocaml
/home/user/.opam/default/lib
Packages will be installed in/removed from:
/home/user/.opam/default/lib
META files will be installed in/removed from:
the corresponding package directories
The standard library is assumed to reside in:
/home/user/.opam/default/lib/ocaml
The ld.conf file can be found here:
/home/user/.opam/default/lib/ocaml/ld.conf
$ env | grep -E 'OPAM|CAML'
OPAMNOENVNOTICE=true
OPAM_SWITCH_PREFIX=/home/user/.opam/default
CAML_LD_LIBRARY_PATH=/home/user/.opam/default/lib/stublibs:/home/user/.opam/default/lib/ocaml/stublibs:/home/user/.opam/default/lib/ocaml
OCAMLTOP_INCLUDE_PATH=/home/user/.opam/default/lib/toplevel
OCAML_TOPLEVEL_PATH=/home/user/.opam/default/lib/toplevel
OPAM_LAST_ENV=/home/user/.opam/.last-env/env-188d0543f48f4aac6402ebc353845d2c-0
$ opam exec -- env | grep -E 'OPAM|CAML'
CAML_LD_LIBRARY_PATH=/home/user/.opam/default/lib/stublibs:/home/user/.opam/default/lib/ocaml/stublibs:/home/user/.opam/default/lib/ocaml
OCAMLTOP_INCLUDE_PATH=/home/user/.opam/default/lib/toplevel
OCAML_TOPLEVEL_PATH=/home/user/.opam/default/lib/toplevel
OPAMNOENVNOTICE=true
OPAM_LAST_ENV=/home/user/.opam/.last-env/env-188d0543f48f4aac6402ebc353845d2c-0
OPAM_SWITCH_PREFIX=/home/user/.opam/default
```
|
Beta Was this translation helpful? Give feedback.
-
|
If anyone sees this in the future, we've debugged this via IRC and this stemmed from a segfault in I've detailed a improvement to ocamlfind in ocaml/ocamlfind#101 (comment) so that if a similar error happens in the future, it would at least show up earlier while building ocamlfind and not while building downstream projects. |
Beta Was this translation helpful? Give feedback.
If anyone sees this in the future, we've debugged this via IRC and this stemmed from a segfault in
/bin/shwhich was ignored by ocamlfind and continued installation in a broken state.I've detailed a improvement to ocamlfind in ocaml/ocamlfind#101 (comment) so that if a similar error happens in the future, it would at least show up earlier while building ocamlfind and not while building downstream projects.