conda环境下pycurl.so: undefined symbol: CRYPTO_num_locks解决方案

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已于 2023-12-12 23:32:20 修改 · 2.2k 阅读

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#linux #centos #conda #python #人工智能

于 2023-07-13 06:12:15 首次发布

文章描述了一次在Linux系统中使用yum安装软件时遇到的问题，具体表现为Python模块导入失败，原因是conda环境中的libcurl.so.4动态链接库与系统Python版本不匹配。通过删除conda环境中的相关链接并创建正确指向系统库的新链接，最终解决了问题，成功安装了软件。

1 使用yum安装任何软件都失败

使用yum安装软件，出现如下错误：

[root@localhost repositories]# yum install zlib-devel
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   /usr/lib64/python2.7/site-packages/pycurl.so: undefined symbol: CRYPTO_num_locks

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.7.5 (default, Oct 14 2020, 14:45:30) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  http://yum.baseurl.org/wiki/Faq

2 问题分析

查看链接库内容

[root@localhost repositories]# ldd /usr/lib64/python2.7/site-packages/pycurl.so
        linux-vdso.so.1 =>  (0x00007ffee8f5d000)
        libcurl.so.4 => /root/anaconda3/lib/libcurl.so.4 (0x00007f627dbc8000)
        libpython2.7.so.1.0 => /lib64/libpython2.7.so.1.0 (0x00007f627d476000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f627d25a000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f627ce8c000)
        libnghttp2.so.14 => /root/anaconda3/lib/./libnghttp2.so.14 (0x00007f627db90000)
        libssh2.so.1 => /root/anaconda3/lib/./libssh2.so.1 (0x00007f627db4c000)
        libssl.so.1.1 => /root/anaconda3/lib/./libssl.so.1.1 (0x00007f627dabb000)
        libcrypto.so.1.1 => /root/ana