Matt Wong wrote:ok - so I de-compiled you code - found this:
even if it's only running on localhost - at least run mysql_secure_installation and set a root password
further: you can remove any line of this
mysql driver is JDBC4 complient - this means, as long as its in classpath it registers itself with serviceloader - no need for Class.forName()
current driver is v8 - wich is com.mysql.cj.jdbc.Driver - the v5 you use is obsolete
you wasting lots of database resources - as you open a new connection on every request - but never proper close them - that's not how to do - if you want to use a sql-database you create ONE and only ONE connection at startup and close it cleanly at exit - also each resultset and statement has to be close as long as you don't use try-with-resources wich uses autoclose
i dont know lic4j - but is it right that some master-key is in source?
from DNSSEC i know 03 010001 is for 65537 - but this SHA512withECDSA cofuses me - what strange kind of format is this?
overall - very advanced project with beginner mistakes somewhat not matching the question
Daniel Demesmaecker wrote:It runs on my computer... Why are you us a textfield to select a date? I asume it's maded with javaFx or swing?
Stupid question, but... She has java installed right?
Paul Clapham wrote:Here's what the actual Spring documentation says that the <beans> description ought to look like this:
You'll notice that the URL which Campbell commented on is different here; and yes, this one is a real link which points to a schema on the Spring site and yours isn't.
There's a lot of tutorials on the web. Some of them contain obsolete information and (horrors!) their owners haven't fixed that problem.