Paper 1.16.5 Java 17 · Proven & Recommended

The primary issue is a version-gate intended to prevent potential incompatibilities with newer Java APIs. When you try to launch Paper 1.16.5 with Java 17, you will typically see an error stating: . How to Bypass the Restriction

java -DPaper.IgnoreJavaVersion=true -Xmx4G -Xms4G -jar paper- .jar nogui Use code with caution. Copied to clipboard Compatibility Requirements

For nearly a decade, Minecraft server owners were tethered to Java 8. While reliable, Java 8 is now ancient in terms of software development. Java 17, released as a Long-Term Support (LTS) version by Oracle, introduced a myriad of optimizations, better memory management, and improved garbage collection algorithms. paper 1.16.5 java 17

To appreciate the synergy between these software versions, we must first understand what each component brings to the table.

Download from Adoptium (Eclipse Temurin 17). Ensure JAVA_HOME is set. The primary issue is a version-gate intended to

Add -DPaper.IgnoreJavaVersion=true to your server startup command. Example Command:

#!/bin/bash java -Xms4G -Xmx4G \ -XX:+UseG1GC \ -XX:+ParallelRefProcEnabled \ -XX:MaxGCPauseMillis=50 \ -XX:+UnlockExperimentalVMOptions \ -XX:+DisableExplicitGC \ -jar paper.jar nogui Copied to clipboard Compatibility Requirements For nearly a

or certain custom builds may require Java 17 even on older server versions. Garbage Collection

If you need to use Java 17—often because specific modern plugins require it or because your hosting environment uses it—you can force Paper to ignore this check using a specific startup flag.