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Issue Description: Dynmap sample issue description. This description would include as much and as little detail necessary for us to understand the issue in its entirety.

Hello,

I have several things to share with you. At first, I found that there was a big performance problem with the new version of the plugin. In previous versions the generation of my dynmap did not take so long (2 days compared to 5-6 now). I initially believed that it came from my data ase (mysql) so I wanted to test on a mariadb database but I notice that it does not work with your plugin. I have however looked at the source codes to see how you proceed but I still have an error which you will be able to see in the attached files.

I asked some friends with dedicated machines to test to generate the dynmap and send it to their mysql, but even I worry that it will take too long!

I currently have this OVH server ( but the problem does not come from here, don't worry: p )

• Dynmap Version: dynmap-version Dynmap v3.1-beta-6
• Server Version: forge 1.16 build x, or paper 1.15.2 build x paper 1.16.4 388
• Pastebin of Configuration.txt: https://pastebin.com/5SETL3z2 https://pastebin.com/qjb5vFjS
• Server Host (if applicable): OVH https://www.ovhcloud.com/fr/bare-metal/rise/rise-3/
  You need this only :p

Have a good day !

• Caly -

[23:49:19] [Server thread/INFO]: [dynmap] Enabling dynmap v3.1-beta6-438*
[23:49:19] [Server thread/INFO]: [dynmap] Using LuckPerms 5.1.93 for access control
[23:49:19] [Server thread/INFO]: [dynmap] Opening MariaDB database 192.168.1.21:3306/gaspezia_dynmap as map store
[23:49:19] [Server thread/ERROR]: [dynmap] MariaDB-JDBC classes not found - MariaDB data source not usable
[23:49:19] [Server thread/ERROR]: [dynmap] Map storage initialization failure
[23:49:19] [Server thread/INFO]: [dynmap] Unloaded 0 components.
[23:49:19] [Server thread/INFO]: [dynmap] Disabled* Pastebin of crashlogs or other relevant logs:
https://pastebin.com/crashcausedbydynmap

• Other Relevant Data/Screenshots: I'm using this texture pack and these plugins and my map is from alpha .8
• Steps to Replicate: Please be clear in this section so we can replicate your issue

[x] I have looked at all other issues and this is not a duplicate
[x] I have been able to replicate this

Maybe try using an sqlite db or plain files.

SQLite for pic storage will be a very bad idea cuz performance'll die pretty quickly, especially when the db gets fragmented. Access might be faster than individual files for some time, but only for.

I see what you mean. It also moves data onto the same device as the server, instead of keeping it separate.

Yep, that too.

You are missing the jar file that contains the code that allows dynmap to communicate with the database server. You need to download mysql-connector-java-some version number.jar and place it in your mods folder. Then restart the server and it should start to work. You can find the download by google searching java mysql connector.