How to resolve database access errors after packaging on Linux?

If there is a database access error in the packaged Linux environment, it could be due to incorrect environment settings or a lack of necessary dependencies. Here are some possible solutions:

1. Ensure that the correct database driver and configuration files are included during the packaging process. Verify that the database driver is included in the application during packaging and that the database connection information in the configuration file is correct.
2. Make sure the appropriate database client software, such as MySQL or PostgreSQL, is installed in the Linux environment and that the correct connection information is configured.
3. Check the permission settings for accessing the database to ensure that the application has the necessary permissions. You can try starting the application with the root user to see if it can access the database properly.
4. Check the application’s log files or the error logs in the database to see specific error messages, in order to better pinpoint and resolve the issue.
5. If none of the above methods work, you can try rebuilding and packaging the application to ensure all dependencies are correctly included and configured.

If the above methods do not solve the problem, you can try running the application directly in a Linux environment to see the specific error message and further troubleshoot and resolve based on the error message.