pip3 抛出未定义的符号：XML_SetHashSalt
我在 oracle Linux EL7 上有 python 3.6.8 我安装了 pip3 使用
yum install python36-pip
但是，每当我调用 pip3 时，它都会出现库错误
pip3
Traceback (most recent call last):
File "/bin/pip3", line 8, in <module>
from pip import main
File "/usr/lib/python3.6/site-packages/pip/__init__.py", line 42, in <module>
from pip.utils import get_installed_distributions, get_prog
File "/usr/lib/python3.6/site-packages/pip/utils/__init__.py", line 27, in <module>
from pip._vendor import pkg_resources
File "/usr/lib/python3.6/site-packages/pip/_vendor/pkg_resources/__init__.py", line 35, in <module>
import plistlib
File "/usr/lib64/python3.6/plistlib.py", line 65, in <module>
from xml.parsers.expat import ParserCreate
File "/usr/lib64/python3.6/xml/parsers/expat.py", line 4, in <module>
from pyexpat import *
ImportError: /usr/lib64/python3.6/lib-dynload/pyexpat.cpython-36m-x86_64-linux-gnu.so: undefined symbol: XML_SetHashSalt
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/bin/pip3", line 12, in <module>
from pip._internal import main
File "/usr/lib/python3.6/site-packages/pip/__init__.py", line 42, in <module>
from pip.utils import get_installed_distributions, get_prog
File "/usr/lib/python3.6/site-packages/pip/utils/__init__.py", line 27, in <module>
from pip._vendor import pkg_resources
File "/usr/lib/python3.6/site-packages/pip/_vendor/pkg_resources/__init__.py", line 35, in <module>
import plistlib
File "/usr/lib64/python3.6/plistlib.py", line 65, in <module>
from xml.parsers.expat import ParserCreate
File "/usr/lib64/python3.6/xml/parsers/expat.py", line 4, in <module>
from pyexpat import *
ImportError: /usr/lib64/python3.6/lib-dynload/pyexpat.cpython-36m-x86_64-linux-gnu.so: undefined
symbol: XML_SetHashSalt
慕的地62643124回答
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Cats萌萌
libexpat.so.1指向错误的位置。固定它export LD_LIBRARY_PATH=/lib64/:${LD_LIBRARY_PATH}ldd /usr/lib64/python3.6/lib-dynload/pyexpat.cpython-36m-x86_64-linux-gnu.so linux-vdso.so.1 => (0x00007fff073f1000) libexpat.so.1 => /lib64/libexpat.so.1 (0x00007f9ba53ce000) libpython3.6m.so.1.0 => /lib64/libpython3.6m.so.1.0 (0x00007f9ba4ea9000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f9ba4c8d000) libc.so.6 => /lib64/libc.so.6 (0x00007f9ba48bf000) libdl.so.2 => /lib64/libdl.so.2 (0x00007f9ba46bb000) libutil.so.1 => /lib64/libutil.so.1 (0x00007f9ba44b8000) libm.so.6 => /lib64/libm.so.6 (0x00007f9ba41b6000) /lib64/ld-linux-x86-64.so.2 (0x00007f9ba5807000) -
翻阅古今
我有完全相同的错误。系统信息装有 CentOS 7.9 的虚拟机Python 3.6解决方案我们安装了另一个软件，它带有自己的 libexpat 版本。我们还修改了环境变量 LD_LIBRARY_PATH 以包含该软件的 lib 目录。这导致 pip加载了错误的库。取消设置 LD_LIBRARY_PATH/从 LD_LIBRARY_PATH 中删除软件后，一切都很好。 -
侃侃无极
我使用的是 Python 3.6，我尝试使用 PIP 安装模块。我收到以下错误。导入错误：/opt/rh/rh-python36/root/usr/lib64/python3.6/lib-dynload/pyexpat.cpython-36m-x86_64-linux-gnu.so：未定义的符号：XML_SetHashSalt在 ldd 后面加上查找映射的路径。ldd /opt/rh/rh-python36/root/usr/lib64/python3.6/lib-dynload/pyexpat.cpython-36m-x86_64-linux-gnu.so检查映射 - libexpat.so.1。在我的例子中，它指的是不正确的 oracle 路径——/u01/oracle/product/12.1.0.2/lib/libexpat.so.1所以我在上面的目录中重命名了libexpat.so.1。重命名后，再次给 ldd ，它应该指向 /lib64/libexpat.so.1更正映射后，我就可以进行 pip 安装了。谢谢大家的帮助。 -
红颜莎娜
你是如何安装 Python 3 的？在我的 Oracle Linux 7 安装中，我从 yum.oracle.com 上的 ol7_latest 安装了 python3：$ yum info python3Installed PackagesName : python3Arch : x86_64Version : 3.6.8Release : 13.0.1.el7Size : 39 kRepo : installedFrom repo : ol7_latest在没有安装 python36-pip 的情况下，pip3 可以按预期工作，例如：$ pip3 install --user cx_OracleCollecting cx_Oracle Using cached https://files.pythonhosted.org/packages/16/1d/36ecde56e0522f1a1cea7b4d4333f88b1062e0c5287fc67f522ceacc053c/cx_Oracle-8.0.0-cp36-cp36m-manylinux1_x86_64.whlInstalling collected packages: cx-OracleSuccessfully installed cx-Oracle-8.0.0
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