Crash Issue

Client> 2013-05-31 10:30:48 [SERVER] [WARNING] Unable to find spawn biome
Client> 2013-05-31 10:30:49 [SERVER] [INFO] Preparing start region for level 0
Client> 2013-05-31 10:30:50 [SERVER] [INFO] Preparing spawn area: 14%
Client> 2013-05-31 10:30:51 [SERVER] [INFO] Preparing spawn area: 32%
Client> 2013-05-31 10:30:52 [SERVER] [INFO] Preparing spawn area: 50%
Client> 2013-05-31 10:30:53 [SERVER] [INFO] Preparing spawn area: 61%
Client> 2013-05-31 10:30:54 [SERVER] [INFO] Preparing spawn area: 80%
Client> 2013-05-31 10:30:55 [SERVER] [INFO] Evaporated[/127.0.0.1:0] logged in with entity id 59 at (-405.5, 67.0, 486.5)
Client> 2013-05-31 10:30:55 [SERVER] [INFO] Evaporated joined the game
Client> Setting up custom skins
Client> 2013-05-31 10:30:58 [SERVER] [INFO] Saving and pausing game...
Client> 2013-05-31 10:30:58 [SERVER] [INFO] Saving chunks for level 'Surviving'/Overworld
Client> 2013-05-31 10:31:19 [SERVER] [INFO] Saving chunks for level 'Surviving'/Nether
Client> 2013-05-31 10:31:19 [SERVER] [INFO] Saving chunks for level 'Surviving'/The End
Client> 2013-05-31 10:31:19 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
Client> #
Client> # A fatal error has been detected by the Java Runtime Environment:
Client> #
Client> #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000005f424e90, pid=3528, tid=3372
Client> #
Client> # JRE version: 7.0_04-b22
Client> # Java VM: Java HotSpot(TM) 64-Bit Server VM (23.0-b21 mixed mode windows-amd64 compressed oops)
Client> # Problematic frame:
Client> # V[thread 3852 also had an error]
Client>   [jvm.dll+0x24e90]
Client> #
Client> # Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
Client> #
Client> # An error report file with more information is saved as:
Client> # C:\Users\cory\AppData\Roaming\.minecraft\hs_err_pid3528.log
Client> #
Client> # If you would like to submit a bug report, please visit:
Client> #   http://bugreport.sun.com/bugreport/crash.jsp
Client> #
Game ended with bad state (exit code 1)
Deleting C:\Users\cory\AppData\Roaming\.minecraft\versions\13w22a\13w22a-natives-7227496923822
Couldn't delete C:\Users\cory\AppData\Roaming\.minecraft\versions\13w22a\13w22a-natives-7227496923822 - scheduling for deletion upon exit