I still do not know what the cause of the issue is, it decided to randomly happen. It repeats every time I try to enter the server, and the logs are not really saying much about it. I did find something that took up almost all of my latest log, it repeats over and over and it did so until my game ran out of memory with 5 GB allocated.
The repeating problem constantly says this:
"
[16:21:17] [main/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_25]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25]
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_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
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_147250_a(NetHandlerPlayClient.java:1942) ~[brz.class:?]
at net.minecraft.network.play.server.SPacketUpdateScore.func_148833_a(SourceFile:65) ~[km.class:?]
at net.minecraft.network.play.server.SPacketUpdateScore.func_148833_a(SourceFile:11) ~[km.class:?]
at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[hv$1.class:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25]
at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
... 9 more
[16:21:17] [main/FATAL]: Error executing task
"
I will include a link to download my 'latest' launcher log, it says "upload failed" when I try to upload it here. http://www.mediafire.com/file/fa2ew822u6vc01a/latest.log