Server crash Error writing to server: [Errno 32] Broken pipe

After getting this message a couple of times in December, it's happened again - is this a hardware problem or something wrong with WorldGuard?

24.02 15:56:50 [Multicraft] Server stopped
24.02 15:56:48 [Multicraft] Error writing to server: [Errno 32] Broken pipe
24.02 15:56:48 [Multicraft] Error writing to server: [Errno 32] Broken pipe
24.02 15:56:48 [Multicraft] Stopping server!
24.02 15:56:48 [Multicraft] Server shut down
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO # http://bugreport.sun.com/bugreport/crash.jsp
24.02 15:56:47 [Server] INFO # If you would like to submit a bug report, please visit:
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO nul chk table [0x00002b7676306f88,0x00002b7676306ff8] = 112
24.02 15:56:47 [Server] INFO handler table [0x00002b7676306e80,0x00002b7676306f88] = 264
24.02 15:56:47 [Server] INFO dependencies [0x00002b7676306e68,0x00002b7676306e80] = 24
24.02 15:56:47 [Server] INFO scopes pcs [0x00002b7676306bc8,0x00002b7676306e68] = 672
24.02 15:56:47 [Server] INFO scopes data [0x00002b7676306060,0x00002b7676306bc8] = 2920
24.02 15:56:47 [Server] INFO oops [0x00002b7676305fe0,0x00002b7676306060] = 128
24.02 15:56:47 [Server] INFO stub code [0x00002b7676305f40,0x00002b7676305fe0] = 160
24.02 15:56:47 [Server] INFO main code [0x00002b7676304f20,0x00002b7676305f40] = 4128
24.02 15:56:47 [Server] INFO relocation [0x00002b7676304df0,0x00002b7676304f10] = 288
24.02 15:56:47 [Server] INFO total in heap [0x00002b7676304cd0,0x00002b7676306ff8] = 9000
24.02 15:56:47 [Server] INFO Compiled method (c2) 18598902 1001 com.sk89q.worldguard.protection.databases.YAMLDatabase::setFlags (100 bytes)
24.02 15:56:47 [Server] INFO nul chk table [0x00002b7676306f88,0x00002b7676306ff8] = 112
24.02 15:56:47 [Server] INFO handler table [0x00002b7676306e80,0x00002b7676306f88] = 264
24.02 15:56:47 [Server] INFO dependencies [0x00002b7676306e68,0x00002b7676306e80] = 24
24.02 15:56:47 [Server] INFO scopes pcs [0x00002b7676306bc8,0x00002b7676306e68] = 672
24.02 15:56:47 [Server] INFO scopes data [0x00002b7676306060,0x00002b7676306bc8] = 2920
24.02 15:56:47 [Server] INFO oops [0x00002b7676305fe0,0x00002b7676306060] = 128
24.02 15:56:47 [Server] INFO stub code [0x00002b7676305f40,0x00002b7676305fe0] = 160
24.02 15:56:47 [Server] INFO main code [0x00002b7676304f20,0x00002b7676305f40] = 4128
24.02 15:56:47 [Server] INFO relocation [0x00002b7676304df0,0x00002b7676304f10] = 288
24.02 15:56:47 [Server] INFO total in heap [0x00002b7676304cd0,0x00002b7676306ff8] = 9000
24.02 15:56:47 [Server] INFO Compiled method (c2) 18598902 1001 com.sk89q.worldguard.protection.databases.YAMLDatabase::setFlags (100 bytes)
24.02 15:56:47 [Server] INFO # /dev/null
24.02 15:56:47 [Server] INFO # An error report file with more information is saved as:
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO # V [libjvm.so+0x7e0ac0] nmethod::can_unload(BoolObjectClosure*, OopClosure*, oopDesc**, bool)+0x70
24.02 15:56:47 [Server] INFO # Problematic frame:
24.02 15:56:47 [Server] INFO # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.51-b03 mixed mode linux-amd64 compressed oops)
24.02 15:56:47 [Server] INFO # JRE version: Java(TM) SE Runtime Environment (7.0_51-b13) (build 1.7.0_51-b13)
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO # SIGSEGV (0xb) at pc=0x00002b7675057ac0, pid=11620, tid=47788073445696
24.02 15:56:47 [Server] INFO #
24.02 15:56:47 [Server] INFO # A fatal error has been detected by the Java Runtime Environment:
24.02 15:56:47 [Server] INFO #

 

Im to having The same problem I dont know what to do