Java 17 deprecated SecurityManager

[VidTu]

Java 17 warning

Caused by JEP 411

WARNING: A terminally deprecated method in java.lang.System has been called
WARNING: System::setSecurityManager has been called by space.vectrix.ignite.applaunch.service.PaperclipBootstrapService (file:/D:/Server/ignitetest/srv_ignite.jar)
WARNING: Please consider reporting this to the maintainers of space.vectrix.ignite.applaunch.service.PaperclipBootstrapService
WARNING: System::setSecurityManager will be removed in a future release

Server loads normally, but this warning says 'consider reporting this to the maintainers'

Info

Java: 17 (Temurin 17 build 35 64-bit)
OS: Windows 11 Pro x64
Server: Paper 1.17.1 (Using 'Paperclip' launch mode)
Mods: none
Plugins: none

[vectrixdevelops]

Until the JDK adds a new way to intercept the system exit calls this cannot be addressed. Pending https://bugs.openjdk.java.net/browse/JDK-8199704

[astei]

You can work around this by using bytecode patching to modify the Paperclip launcher class and rewriting any code that attempts to call java/lang/System;exit(I) with a return statement. However the existing code for handling Paperclip launching doesn't handle errors properly, so now is a good time to fix that.

[vectrixdevelops]

Good idea actually. I'll see if I can get something like that going.

[astei]

One crude method you could use to handle errors - only rewrite java/lang/System;exit(I) when the parameter is 0.

[vectrixdevelops]

Fixed in https://github.com/vectrix-space/ignite/releases/tag/v0.7.0 for 1.18+ use the paperclip service. On earlier versions use legacy_paperclip, however the warning will still persist. I'm not going to make the same change on legacy.