[11:47:07 WARN]: An exception was thrown by a user handler's exceptionCaught() method while handling the following exception: java.lang.NullPointerException

[craciu25yt]

Expected behavior

I have many errors in the server console (3 per second)

Observed/Actual behavior

[11:47:07 WARN]: An exception was thrown by a user handler's exceptionCaught() method while handling the following exception:
java.lang.NullPointerException: Cannot invoke "io.netty.channel.Channel.isOpen()" because "this.channel" is null
at net.minecraft.server.v1_8_R3.NetworkManager.close(NetworkManager.java:245) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.NetworkManager.channelInactive(NetworkManager.java:105) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:228) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:228) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.handler.timeout.ReadTimeoutHandler.channelInactive(ReadTimeoutHandler.java:144) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:769) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.AbstractChannel$AbstractUnsafe$5.run(AbstractChannel.java:567) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) [spigot.jar:git-PaperSpigot-"4c7641d"]
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) [spigot.jar:git-PaperSpigot-"4c7641d"]
at java.base/java.lang.Thread.run(Thread.java:831) [?:?]

Steps/models to reproduce

Really, I don't know how

Plugin list

bedwars1058
Buycraft
Chatcolor2
ChestCommands
Citizens
ComandBlockerFull
Deluxe Join
Deluxe menu
DeluxeTag
Eazy nick
Essentals X (And essentials x chat)
ExploitFixer
Gadgetsmenu
ipwl
kstaffmode
lagassist
luckperms
packetlistenerapi
PlaceholderAPU
PluginHider+
Protocollib
tab
tiger reports
ultimateautorestart
vault
viabackward
viaversion
via rewind
woldedit
worldguard

Paper version

version
[05:17:22 INFO]: This server is running CraftBukkit version git-PaperSpigot-"4c7641d" (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)

[05:17:22 INFO]: Error obtaining version information

Agreements

• I am running the latest version of Paper available from https://papermc.io/downloads.
• I have searched for and ensured there isn't already an open issue regarding this.
• My version of Minecraft is supported by Paper.

Other

No response

[limbo-app]

Hey @craciu25yt! You seem to be running an unsupported version (1.8) of Paper.

If you can reproduce this issue with the latest supported version, please open a new issue with updated information.

[craciu25yt]

:c