Class loading issue

[Ecconia]

Reloading works, but I have two issues, which are probably caused by the classloader(s).

Issues:

• I am not able to cast a Plugin to its own class.
  I am trying to get a Plugin and cast it to its class to use its methods.
  That works fine, after server start.
  But after/while a reload its not able to cast the class to its correct type.

• LuckPerms uses a class with a static API field.
  For some reason that field is never initialized after reload.
  Probably since the Plugin is using another instance of the class.

I heard/guess that for some reason multiple classloaders are present, or classes loaded by two different classloaders. I am not sure where or when this exactly happens.
But it causes the plugins to have different classes, which forces me to restart the proxy.

[Jofkos]

This whole thing is already a bit older and is and always was experimental. Even plugin reloading in bukkit/spigot isn't perfect and @md-5 left that feature out for similar reasons.

It worked for my purposes so far but still: thank you for reporting the problems you encountered. If I get to it, I'll look into it. It shouldn't be impossible to fix that.

[Ecconia]

I am aware that reload is a danger zone :P

Yeah this issue is more for the sake of reporting.
I will try to find a solution myself. But would be cool to have your support.
If I come up with something, I will discuss it here and eventually PR it :)