conan-io / conan-io/docs

Conan error after a new library version installed

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#2,257 2 comments 0 reactions 1 assignee Claimed by @memsharded View on GitHub
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Description

Hello,
some information about our system
OS Windows 10
Conan version 1.32.1
Python version 3.8
We use Jenkins for automatizing builds

After updating conan from 1.7.0 to 1.32.1 version I am getting sometimes a build error like this in Windows

`Traceback (most recent call last):
File "c:\python38\lib\site-packages\conans\client\command.py", line 2115, in run
method(args[0][1:])
File "c:\python38\lib\site-packages\conans\client\command.py", line 495, in install
info = self._conan.install(path=args.path_or_reference,
File "c:\python38\lib\site-packages\conans\client\conan_api.py", line 94, in wrapper
return f(api, *args, **kwargs)
File "c:\python38\lib\site-packages\conans\client\conan_api.py", line 598, in install
deps_install(app=self.app,
File "c:\python38\lib\site-packages\conans\client\manager.py", line 55, in deps_install
deps_graph = graph_manager.load_graph(ref_or_path, create_reference, graph_info, build_modes,
File "c:\python38\lib\site-packages\conans\client\graph\graph_manager.py", line 114, in load_graph
deps_graph = self._resolve_graph(root_node, graph_info, build_mode, check_updates, update,
File "c:\python38\lib\site-packages\conans\client\graph\graph_manager.py", line 238, in _resolve_graph
deps_graph = self._load_graph(root_node, check_updates, update,
File "c:\python38\lib\site-packages\conans\client\graph\graph_manager.py", line 360, in _load_graph
self._recurse_build_requires(graph, builder, check_updates, update, build_mode,
File "c:\python38\lib\site-packages\conans\client\graph\graph_manager.py", line 284, in _recurse_build_requires
self._binary_analyzer.evaluate_graph(graph, build_mode, update, remotes, nodes_subset, root)
File "c:\python38\lib\site-packages\conans\client\graph\graph_binaries.py", line 384, in evaluate_graph
self._evaluate_node(node, build_mode, update, remotes)
File "c:\python38\lib\site-packages\conans\client\graph\graph_binaries.py", line 176, in _evaluate_node
self._process_node(node, pref, build_mode, update, remotes)
File "c:\python38\lib\site-packages\conans\client\graph\graph_binaries.py", line 242, in _process_node
self._evaluate_cache_pkg(node, package_layout, pref, metadata, remote, remotes, update)
File "c:\python38\lib\site-packages\conans\client\graph\graph_binaries.py", line 84, in _evaluate_cache_pkg
if self._check_update(upstream_manifest, package_folder, output):
File "c:\python38\lib\site-packages\conans\client\graph\graph_binaries.py", line 26, in _check_update
read_manifest = FileTreeManifest.load(package_folder)
File "c:\python38\lib\site-packages\conans\model\manifest.py", line 91, in load
text = load(os.path.join(folder, CONAN_MANIFEST))
File "c:\python38\lib\site-packages\conans\util\files.py", line 232, in load
with open(path, 'rb') as handle:
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\ConanFolder\\.conan\\data\\Library\\1.0.0\\builduser\\snapshot\\package\\6a4a582aa8fcd14dd5cfc5414d5dfa4e4ffe41d0\\conanmanifest.txt'`

This happens when Library is being built around the same time that this program is being build that uses Library.
In conan 1.7.0 when that happened normally there was a lockfile that could be removed in order to the program build to continue, but now it directly throws an error which is not the behavior we want. Is there any workaround for this problem?

I tried enabling and disabling shortpaths as I thought it was related but that did not changed the problem (only the pathname).

Thank you very much.

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