constant freezing

When I start up my Minecraft it immediately freezes straight away on the Mojang Logo, after a minute it starts to respond again. When I click multiplayer it freezes again and I wait for a few minutes for it to respond. When I try to direct connect to a server I am unable to.

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[20:16:13] [Client thread/INFO]: Setting user: MyTwisting
[20:16:13] [Client thread/INFO]: (Session ID is token:5946ea1377404a24984e7bc0581c4ca6:6c49e97b4db74a82bf2874e5f753ccff)
[20:16:18] [Client thread/INFO]: LWJGL Version: 2.9.1
[20:16:21] [Client thread/INFO]: Reloading ResourceManager: Default
[20:16:25] [Sound Library Loader/INFO]: Starting up SoundSystem...
[20:16:25] [Thread-5/INFO]: Initializing LWJGL OpenAL
[20:16:25] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[20:16:25] [Thread-5/INFO]: OpenAL initialized.
[20:16:25] [Sound Library Loader/INFO]: Sound engine started
[20:16:30] [Client thread/INFO]: Created: 512x512 textures-atlas
[20:19:48] [Client thread/INFO]: Connecting to play.planetbeacon.com, 25565
[20:20:53] [Client thread/INFO]: Connecting to play.planetbeacon.com, 25565
[20:20:53] [Server Connector #2/ERROR]: Couldn't connect to server
java.lang.NullPointerException: group
at io.netty.bootstrap.AbstractBootstrap.group(AbstractBootstrap.java:80) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at gr.a(SourceFile:247) ~[1.8.1.jar:?]
at bwa.run(SourceFile:59) [1.8.1.jar:?]
[20:20:57] [Client thread/INFO]: Connecting to play.planetbeacon.com, 25565
[20:20:57] [Server Connector #3/ERROR]: Couldn't connect to server
java.lang.NullPointerException: group
at io.netty.bootstrap.AbstractBootstrap.group(AbstractBootstrap.java:80) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at gr.a(SourceFile:247) ~[1.8.1.jar:?]
at bwa.run(SourceFile:59) [1.8.1.jar:?]
[20:24:48] [Client thread/INFO]: Connecting to play.planetbeacon.com, 25565
[20:24:48] [Server Connector #4/ERROR]: Couldn't connect to server
java.lang.NullPointerException: group
at io.netty.bootstrap.AbstractBootstrap.group(AbstractBootstrap.java:80) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at gr.a(SourceFile:247) ~[1.8.1.jar:?]
at bwa.run(SourceFile:59) [1.8.1.jar:?]

THIS ISNT RESOLVED????