Log you requested for the game data when game freezes
[13:00:52] [Client thread/INFO]: Setting user: KHAOSCHIPS
[13:00:52] [Client thread/INFO]: (Session ID is token:f31ba89938f04b8a82a91fd5370b0ff1:b08da4f49c984de19d3fdf5581b37ccc)
[13:00:53] [Client thread/INFO]: LWJGL Version: 2.9.4
[13:00:54] [Client thread/INFO]: Reloading ResourceManager: Default
[13:00:54] [Sound Library Loader/INFO]: Starting up SoundSystem...
[13:00:54] [Thread-6/INFO]: Initializing LWJGL OpenAL
[13:00:54] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[13:00:54] [Thread-6/INFO]: OpenAL initialized.
[13:00:55] [Sound Library Loader/INFO]: Sound engine started
[13:00:56] [Client thread/INFO]: Created: 512x512 textures-atlas
[13:01:04] [Server thread/INFO]: Starting integrated minecraft server version 15w31c
[13:01:04] [Server thread/INFO]: Generating keypair
[13:01:04] [Server thread/INFO]: Preparing start region for level 0
[13:01:05] [Server thread/INFO]: Preparing spawn area: 9%
[13:01:06] [Server thread/INFO]: Preparing spawn area: 42%
[13:01:07] [Server thread/INFO]: Preparing spawn area: 93%
[13:01:08] [Server thread/INFO]: Changing view distance to 12, from 10
[13:01:08] [Server thread/INFO]: KHAOSCHIPS[local:E:8ae6c33b] logged in with entity id 178 at (225.69999998807907, 65.87114200042738, 260.9579116997058)
[13:01:08] [Server thread/INFO]: KHAOSCHIPS joined the game
[13:01:55] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:02:40] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:03:24] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:04:09] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:04:32] [Client thread/INFO]: [CHAT] Saved screenshot as 2015-08-03_13.04.31.png
[13:04:55] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:05:40] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:06:25] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:07:10] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:07:55] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:08:40] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:09:24] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:10:10] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:10:53] [Server thread/WARN]: Tried to add entity with duplicate UUID b547455f-afea-4fe6-8fdf-2c76a8110d1e
[13:10:55] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[13:11:05] [Server thread/INFO]: Saving and pausing game...
[13:11:05] [Server thread/INFO]: Saving chunks for level 'Jays Survival World'/Overworld
[13:11:05] [Server thread/INFO]: Saving chunks for level 'Jays Survival World'/Nether
[13:11:05] [Server thread/INFO]: Saving chunks for level 'Jays Survival World'/The End
[13:11:06] [File IO Thread/ERROR]: Failed to save chunk
java.io.UTFDataFormatException: encoded string too long: 65543 bytes
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:364) ~[?:1.8.0_25]
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:323) ~[?:1.8.0_25]
at ea.a(SourceFile:29) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at du.a(SourceFile:45) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dn.a(SourceFile:406) ~[15w31c.jar:?]
at dn.a(SourceFile:53) ~[15w31c.jar:?]
at dx.a(SourceFile:91) ~[15w31c.jar:?]
at dx.a(SourceFile:79) ~[15w31c.jar:?]
at aow.b(SourceFile:138) ~[15w31c.jar:?]
at aow.c(SourceFile:124) [15w31c.jar:?]
at awc.c(SourceFile:37) [15w31c.jar:?]
at awc.run(SourceFile:30) [15w31c.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
Yeah going back to 1.8 doesnt help as the damage is already done I tried the same and also it freezes in 1.8 versions