Spring Boot: Jdbc javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify

Question

I am currently learning more about implementing JDBC and using databases in a Spring Boot webapp, and I encountered the following Stack Trace written in the bottom of the post.<

Answer 1

To solve this problem, it took me about three days.

(Edit: This is a workaround for testing and not actually a solution.)

At first, I started solving the problem from trying to configure my own SSL for mysql, and I spent quite a few hours on that. Too much time had passed until I realized configuring it had to do with Cmake and C++, which made me give up. It was very frustrating. However I did not give up and tried to disable SSL entirely through a method that hasn't been found. And I eventually did find the method. Here it is:

1. You have to use the legacy password for MySQL. The legacy password is the way MySQL authenticated things in version 5.7x.

Open up the MySQL installer again, and reconfigure the MySQL Server settings. When you get there you will see this screen:

The screen that you should get to

You might get some errors when reaching the final stage of the reconfiguration:

I had problems at the final stage I had no idea how to fix so I uninstalled MySQL altogether. I use windows. I deleted the MySQL project root directory from Program Files to uninstall MySQL. I also deleted the databases saved in Program Data (a hidden folder in the C Drive) because I wanted to start afresh(WARNING: this will delete all your previously saved data!). Uninstalling MySQL from the control panel might not be enough to completely erase MySQL from your computer.

2. Delete all *.pem files in C:\ProgramData\MySQL\MySQL Server 8.0\Data. (or move it somewhere else, which is what I did)

You might not see ProgramData in the C Drive. That is because it is a hidden folder. In order to see hidden folders:

search for folder options in the control panel.

Go to view.

Under 'Advanced settings' and under 'Hidden files and folders' of that, click "Show hidden files, folders, and drives."

3. Go to C:\ProgramData\MySQL\MySQL Server 8.0 and open my.cnf (or my.ini). Add the following line after [mysqld]:

ssl=0

Then save. It should work now.

References:

1. https://community.atlassian.com/t5/Confluence-questions/MySQL-Public-Key-Retrieval-is-not-allowed/qaq-p/778956
2. https://scalegrid.io/blog/configuring-and-managing-ssl-on-your-mysql-server/