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It reads: "Error: LinkageError occurred while loading main class net.minecraft.bundler.Main java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0"

I ran "java -Xmx1024M -Xms1024M -jar server.jar" and it was supposed to ask me about agreeing to a EULA but it gave me the stated error.

** Extra: I am connected via SSH from the windows terminal, what command would i run to install an older version and make it the primary java runtime version. I am clueless with this as i am following a Tom's Hardware tutorial.

Ryan Howlett
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  • Your Pi has an older version of java than compiled the software. Compile the software with an older version (if you can), or update the Pi to a newer version. Loosely speaking, the version of java that you run on has to be not older than the version you built on. – undefined symbol Feb 19 '23 at 23:14
  • @undefinedsymbol the software i was compiling was the official minecraft server hosting program. also, what would i enter to update the jdk? – Ryan Howlett Feb 20 '23 at 00:50
  • The raspberrypi forum on stackexchange is more likely to give you accurate advice... you should ask there. – undefined symbol Feb 20 '23 at 01:39

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