Incompatibility with no CB relocation

[vytskalt]

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Describe the bug PaperMC is planning on removing the server version from the craftbukkit package in the future. They have published experimental server jars for testing. PacketEvents crashes when running on them. See: https://forums.papermc.io/threads/paper-velocity-1-20-4.998/#post-2955

Software brand https://github.com/PaperMC/testing/releases/tag/no-relocation

Plugins PacketEvents 2.2.1

How To Reproduce Start the server

[20:11:43 ERROR]: [packetevents] Error initializing plugin 'packetevents-spigot-2.2.1.jar' in folder 'plugins/.paper-remapped' (Is it up to date?)
java.lang.ExceptionInInitializerError: null
	at io.github.retrooper.packetevents.factory.spigot.SpigotPacketEventsBuilder$1.load(SpigotPacketEventsBuilder.java:104) ~[packetevents-spigot-2.2.1.jar:?]
	at io.github.retrooper.packetevents.PacketEventsPlugin.onLoad(PacketEventsPlugin.java:32) ~[packetevents-spigot-2.2.1.jar:?]
	at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:507) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:274) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1133) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.20.4.jar:git-Paper-"e52cfa1"]
	at java.lang.Thread.run(Thread.java:840) ~[?:?]
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3
	at io.github.retrooper.packetevents.util.SpigotReflectionUtil.<clinit>(SpigotReflectionUtil.java:54) ~[packetevents-spigot-2.2.1.jar:?]

[retrooper]

Will look into.

[retrooper]

Fixed in https://github.com/retrooper/packetevents/commit/651de583b6676b75dab626267d2aebc3fd597c91