问题描述
今天遇到这样一个问题：
RuntimeError: Unable to read repodata JSON file 'https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch', error was: repository does not start with an object
`$ /home/visionx/anaconda3/bin/conda create -n watermarking python=3.8`
具体描述的话是这样的：
Channels: - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2 - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main - defaults Platform: linux-64 Collecting package metadata (repodata.json): failed
# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<
Traceback (most recent call last): File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/exception_handler.py", line 17, in __call__ return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/cli/main.py", line 83, in main_subshell exit_code = do_call(args, parser) ^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/cli/conda_argparse.py", line 194, in do_call result = getattr(module, func_name)(args, parser) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/notices/core.py", line 124, in wrapper return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/cli/main_create.py", line 125, in execute return install(args, parser, "create") ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/cli/install.py", line 360, in install unlink_link_transaction = solver.solve_for_transaction( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/core/solve.py", line 138, in solve_for_transaction unlink_precs, link_precs = self.solve_for_diff( ^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda/core/solve.py", line 199, in solve_for_diff final_precs = self.solve_final_state( ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda_libmamba_solver/solver.py", line 205, in solve_final_state index = IndexHelper( ^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda_libmamba_solver/index.py", line 127, in __init__ self._index = self._load_channels() ^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda_libmamba_solver/index.py", line 318, in _load_channels info = self._json_path_to_repo_info(url, jsons[url]) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/visionx/anaconda3/lib/python3.11/site-packages/conda_libmamba_solver/index.py", line 274, in _json_path_to_repo_info repo = api.Repo(self._pool, noauth_url, str(path_to_use), escape_channel_url(noauth_url)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ RuntimeError: Unable to read repodata JSON file 'https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch', error was: repository does not start with an object
`$ /home/visionx/anaconda3/bin/conda create -n watermarking python=3.8`
environment variables: CIO_TEST=
active environment : base active env location : /home/visionx/anaconda3 shell level : 1 user config file : /home/visionx/.condarc populated config files : /home/visionx/.condarc conda version : 23.11.0 conda-build version : 3.28.0 python version : 3.11.5.final.0 solver : libmamba (default) virtual packages : __archspec=1=haswell __conda=23.11.0=0 __cuda=12.0=0 __glibc=2.31=0 __linux=5.15.0=0 __unix=0=0 base environment : /home/visionx/anaconda3 (writable) conda av data dir : /home/visionx/anaconda3/etc/conda conda av metadata url : None channel URLs : https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/linux-64 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/noarch https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/linux-64 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/noarch https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/linux-64 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/linux-64 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/noarch https://repo.anaconda.com/pkgs/main/linux-64 https://repo.anaconda.com/pkgs/main/noarch https://repo.anaconda.com/pkgs/r/linux-64 https://repo.anaconda.com/pkgs/r/noarch package cache : /home/visionx/anaconda3/pkgs /home/visionx/.conda/pkgs envs directories : /home/visionx/anaconda3/envs /home/visionx/.conda/envs platform : linux-64 user-agent : conda/23.11.0 requests/2.31.0 CPython/3.11.5 Linux/5.15.0-101-generic ubuntu/20.04.6 glibc/2.31 solver/libmamba conda-libmamba-solver/23.11.1 libmambapy/1.5.3 aau/0.4.3 c/S-cJglfzLUrDwZtmV01FPg s/Z0-F4J7wF3O0dlNnenS8cQ e/hODlshD11xAP3VPQdlefZw UID:GID : 1000:1000 netrc file : None offline mode : False
An unexpected error has occurred. Conda has prepared the above report. If you suspect this error is being caused by a malfunctioning plugin, consider using the --no-plugins option to turn off plugins.
Example: conda --no-plugins install
Alternatively, you can set the CONDA_NO_PLUGINS environment variable on the command line to run the command without plugins enabled.
Example: CONDA_NO_PLUGINS=true conda install
Upload successful.
这个相对来说比较长，为什么这么长呢？就是为了让大家看一下具体原因出现在哪，但一般来说，看这个我们只能发现An unexpected error has occurred. Conda has prepared the above report.当我们自己分析的时候还是无法明白具体的问题出现在哪，这个时候工具的重要性就体现出来了！
原因分析与解决
先看下chatgpt的回答是这样的：
但这好想并没有实质性的作用，不过这里面的修改镜像源到是一个非常合适的途径！
再看百度的回答就是相对来说通俗易懂很多，出了网络连接问题就是代理和缓存问题，大家尽可以清理缓存，无所谓的，命令如下
conda clean --all
但是一般情况来说，尽管清理了缓存还是无法解决问题的，比如我就是的。
那到最后我是怎么解决的呢？很想然是一个字：等！！！
那除了等有没有其他解决办法呢？肯定是有的，最大的可能性就是网络或者源的问题。源的解决就是
conda config --set default_channels <镜像源地址>
这里面镜像源地址有很多，可以参考我之前的一篇博客【最全镜像源】pip国内镜像最全收集【清华源、豆瓣、阿里云，北外，华科，中科大，中科院，腾讯云，华为云，搜狐，网易】_pepper sdk国内镜像-CSDN博客
另外一个解决办法就是换一下代理或者直接切换网络！！！
这里面这三种解决思路都可以尝试！！
相关链接
RuntimeError: Unable to read repodata JSON file 'https://mirrors.tuna.tsinghhttps://www.baidu.com/baidu?ie=utf-8&wd=++++RuntimeError%3A+Unable+to+read+repodata+JSON+file+%27https%3A%2F%2Fmirrors.tuna.tsinghua.edu.cn%2Fanaconda%2Fpkgs%2Ffree%2Fnoarch%27%2C+error+was%3A+repository+does+not+start+with+an+object++%60%24+%2Fhome%2Fvisionx%2Fanaconda3%2Fbin%2Fconda+create+-n+watermarking+python%3D3.8%60+
百度安全验证https://www.baidu.com/baidu?ie=utf-8&wd=++++RuntimeError%3A+Unable+to+read+repodata+JSON+file+%27https%3A%2F%2Fmirrors.tuna.tsinghua.edu.cn%2Fanaconda%2Fpkgs%2Ffree%2Fnoarch%27%2C+error+was%3A+repository+does+not+start+with+an+object++%60%24+%2Fhome%2Fvisionx%2Fanaconda3%2Fbin%2Fconda+create+-n+watermarking+python%3D3.8%60+
完结撒花
世间的一切彷佛没那么美好，只是因为我心里美好罢了！
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