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e8johan

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  1. Minecraft 1.17 requires a newer java version. Debian ships with openjdk-8, 10, 11 and 17. The only usable alternative among these is openjdk-17. After installing openjdk-17-jre I get the following: $ java -version openjdk version "17-ea" 2021-09-14 OpenJDK Runtime Environment (build 17-ea+19-Debian-1) OpenJDK 64-Bit Server VM (build 17-ea+19-Debian-1, mixed mode, sharing) However, when attempting to start Minecraft 1.17 through technic I get the following log message: B#656 java.lang.NumberFormatException: For input string: "17-ea" B#656 at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67) B#656 at java.base/java.lang.Integer.parseInt(Integer.java:668) B#656 at java.base/java.lang.Integer.parseInt(Integer.java:786) B#656 at net.technicpack.launchercore.modpacks.RunData.isJavaVersionAtLeast(RunData.java:34) B#656 at net.technicpack.launchercore.modpacks.RunData.isJavaValid(RunData.java:51) B#656 at net.technicpack.launchercore.modpacks.RunData.isRunDataValid(RunData.java:59) B#656 at net.technicpack.launcher.launch.Installer$1.run(Installer.java:142) B#656 at java.base/java.lang.Thread.run(Thread.java:831) It seems that something tries to parse 17-ea as an integer and throws and unhandled exception as a consequence. The vanilla launcher works as expected.
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