Java Edition Server 1.17 - Main has been compiled by a more recent verion of the Java Runtime - Server Support and Administration - Support - Minecraft Forum - Minecraft Forum
![Fix Minecraft Internal Exception: java.io.IOException: An existing connection was forcibly closed - YouTube Fix Minecraft Internal Exception: java.io.IOException: An existing connection was forcibly closed - YouTube](https://i.ytimg.com/vi/4XN6R8SdBUI/maxresdefault.jpg)
Fix Minecraft Internal Exception: java.io.IOException: An existing connection was forcibly closed - YouTube
![Internal Exception: java.io.IOEXception: An existing connection was forcibly closed by the remote host - Java Edition Support - Support - Minecraft Forum - Minecraft Forum Internal Exception: java.io.IOEXception: An existing connection was forcibly closed by the remote host - Java Edition Support - Support - Minecraft Forum - Minecraft Forum](https://media.minecraftforum.net/attachments/94/197/635626186486448412.jpg)
Internal Exception: java.io.IOEXception: An existing connection was forcibly closed by the remote host - Java Edition Support - Support - Minecraft Forum - Minecraft Forum
Not able to join my own server. Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: Index: 27, size: 5 - Server - Aternos Community
![A JNI error has occurred, please check your installation and try again" when trying to start a vanilla server : r/Minecraft A JNI error has occurred, please check your installation and try again" when trying to start a vanilla server : r/Minecraft](https://preview.redd.it/fstqw8u0ivd71.png?width=254&format=png&auto=webp&s=ecf0e04bb0c02e22fad871e96d5c7abb7040af08)