[root@localhost ~]# java -v Unrecognized option: -v Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit.
jdk1. 7 view the version number through java -V and java --version,
and jdk1 8 you have to check the version number through java -version
centos7 install mysqlclient error problem
1.Install pip3 install mysqlclient error:
ERROR: Command errored out with exit status 1: command: /data/env/pyweb/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-noasaa4g/mysqlclient/setup.py'"'"'; file='"'"'/tmp/pip-install-noasaa4g/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-install-noasaa4g/mysqlclient/pip-egg-info cwd: /tmp/pip-install-noasaa4g/mysqlclient/ Complete output (12 lines): /bin/sh: mysql_config: command not found /bin/sh: mariadb_config: command not found /bin/sh: mysql_config: command not found Traceback (most recent call last): File "<string>", line 1, in <module> File "/tmp/pip-install-noasaa4g/mysqlclient/setup.py", line 16, in <module> metadata, options = get_config() File "/tmp/pip-install-noasaa4g/mysqlclient/setup_posix.py", line 61, in get_config libs = mysql_config("libs") File "/tmp/pip-install-noasaa4g/mysqlclient/setup_posix.py", line 29, in mysql_config raise EnvironmentError("%s not found" % (_mysql_config_path,)) OSError: mysql_config not found ---------------------------------------- ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2. Analysis and solution: Check the error message:
mysql_config not found
Make sure the problem is with the mysql_config dependency package, add a soft link
ln -s /usr/local/mysql/bin/mysql_config /usr/local/bin/mysql_config found that it still doesn’t work, need to install mysql-devel first
yum install mysql-devel
Then install mysqlclient
pip3 install mysqlclient
Today, I debugged the application on CentOS 7 system and found that Chinese is a pile of random codes. Then I checked the data and solved it successfully. I hereby record it.
1. Execute the locale command to view the preview environment of the current system
It can be seen that my language environment is not Chinese, but ASCII.
2. Execute locale – a | grep zh_ Cn * check whether the current system has a Chinese language pack
If the above content is displayed, the Chinese package has been installed. If not, execute Yum install kde-l10n-chinese
3. Execute VI/etc/locale.conf, as shown below
LANG=”en_ US.UTF-8″
Change “en-us.utf-8” to “zh”_ CN.UTF-8”
4. Execute source/etc/locale.conf
5. Execute locale to view the results
As shown in the above figure, the modification is successful
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References:
https://blog.csdn.net/jisu30miao1225/article/details/80519368