It just freezes, fills my RAM and gives "Out of memory error"
[11:19:50] [main/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_131]
at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_131]
at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1086) [bib.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:397) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NullPointerException
at net.minecraft.client.network.NetHandlerPlayClient.func_147290_a(NetHandlerPlayClient.java:2083) ~[brz.class:?]
at net.minecraft.network.play.server.SPacketEntityProperties.func_148833_a(SourceFile:70) ~[kv.class:?]
at net.minecraft.network.play.server.SPacketEntityProperties.func_148833_a(SourceFile:15) ~[kv.class:?]
at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[hv$1.class:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_131]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_131]
at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
... 9 more
It just freezes, fills my RAM and gives "Out of memory error"
If it's an issue with one server, contact the server owners and let them help you solve it.