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Improve java version check (#9692)

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MiniDigger | Martin 2023-09-16 23:06:36 +02:00
parent 38704cdea7
commit c32a202cfd
2 changed files with 47 additions and 21 deletions
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47
patches/server/Improve-java-version-check.patch Normal file
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@ -0,0 +1,47 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Wed, 16 Mar 2022 13:58:16 +0100
Subject: [PATCH] Improve java version check
Co-Authored-By: MiniDigger | Martin <admin@minidigger.dev>
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -0,0 +0,0 @@ public class Main {
return;
}
+ // Paper start - better java version checks
+ boolean skip = Boolean.getBoolean("Paper.IgnoreJavaVersion");
float javaVersion = Float.parseFloat(System.getProperty("java.class.version"));
- if (javaVersion < 61.0) {
- System.err.println("Unsupported Java detected (" + javaVersion + "). This version of Minecraft requires at least Java 17. Check your Java version with the command 'java -version'.");
- return;
- }
- if (javaVersion > 64.0) {
- System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 20 is supported.");
+ boolean isOldVersion = javaVersion < 61.0;
+ if (!skip && isOldVersion) {
+ System.err.println("Unsupported Java detected (" + javaVersion + "). This version of Minecraft requires at least Java 17. Check your Java version with the command 'java -version'. For more info see https://docs.papermc.io/misc/java-install");
return;
}
String javaVersionName = System.getProperty("java.version");
// J2SE SDK/JRE Version String Naming Convention
boolean isPreRelease = javaVersionName.contains("-");
- if (isPreRelease && javaVersion == 61.0) {
- System.err.println("Unsupported Java detected (" + javaVersionName + "). You are running an outdated, pre-release version. Only general availability versions of Java are supported. Please update your Java version.");
+ if (!skip && isPreRelease) {
+ System.err.println("Unsupported Java detected (" + javaVersionName + "). You are running an unsupported, non official, version. Only general availability versions of Java are supported. Please update your Java version. See https://docs.papermc.io/paper/faq#unsupported-java-detected-what-do-i-do for more information.");
return;
}
+ if (skip && (isOldVersion || isPreRelease)) {
+ System.err.println("Unsupported Java detected ("+ javaVersionName + "), but the check was skipped. Proceed with caution! ");
+ }
+ // Paper end - better java version checks
+
try {
// Paper start - Handled by TerminalConsoleAppender
/*

21
patches/server/Remove-garbage-Java-version-check.patch
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@ -1,21 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Wed, 16 Mar 2022 13:58:16 +0100
Subject: [PATCH] Remove garbage Java version check
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -0,0 +0,0 @@ public class Main {
System.err.println("Unsupported Java detected (" + javaVersion + "). This version of Minecraft requires at least Java 17. Check your Java version with the command 'java -version'.");
return;
}
- if (javaVersion > 64.0) {
- System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 20 is supported.");
- return;
- }
String javaVersionName = System.getProperty("java.version");
// J2SE SDK/JRE Version String Naming Convention
boolean isPreRelease = javaVersionName.contains("-");