USOCKET:ADDRESS-IN-USE-ERROR

[ryukinix]

Sometimes I get that on server.lisp:

Nov 08 04:17:09 ustar lisp-chat[18971]: Unhandled USOCKET:ADDRESS-IN-USE-ERROR in thread #<SB-THREAD:THREAD
Nov 08 04:17:09 ustar lisp-chat[18971]:                                                    "main thread" RUNNING
Nov 08 04:17:09 ustar lisp-chat[18971]:                                                     {100399CFB3}>:
Nov 08 04:17:09 ustar lisp-chat[18971]:   Condition USOCKET:ADDRESS-IN-USE-ERROR was signalled.
Nov 08 04:17:09 ustar lisp-chat[18971]: Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {100399CFB3}>
Nov 08 04:17:09 ustar lisp-chat[18971]: 0: ((LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX))
Nov 08 04:17:09 ustar lisp-chat[18971]: 1: (SB-IMPL::CALL-WITH-SANE-IO-SYNTAX #<CLOSURE (LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX) {1005A2C72B}>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 2: (SB-IMPL::%WITH-STANDARD-IO-SYNTAX #<CLOSURE (LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX) {1005A2C6FB}>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 3: (PRINT-BACKTRACE :STREAM #<SB-SYS:FD-STREAM for "standard error" {1007038393}> :START 0 :FROM :INTERRUPTED-FRAME :CONov 08 04:17:09 ustar lisp-chat[18971]: 4: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<USOCKET:ADDRESS-IN-USE-ERROR {10058F6313}> #<unavailable argument>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 5: (SB-DEBUG::RUN-HOOK *INVOKE-DEBUGGER-HOOK* #<USOCKET:ADDRESS-IN-USE-ERROR {10058F6313}>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 6: (INVOKE-DEBUGGER #<USOCKET:ADDRESS-IN-USE-ERROR {10058F6313}>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 7: (ERROR #<USOCKET:ADDRESS-IN-USE-ERROR {10058F6313}>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 8: (USOCKET:SOCKET-LISTEN "server.lerax.me" 5558 :REUSEADDRESS NIL :REUSE-ADDRESS NIL :BACKLOG 5 :ELEMENT-TYPE CHARACTENov 08 04:17:09 ustar lisp-chat[18971]: 9: (LISP-CHAT-SERVER:MAIN)
Nov 08 04:17:09 ustar lisp-chat[18971]: 10: (SB-INT:SIMPLE-EVAL-IN-LEXENV (LISP-CHAT-SERVER:MAIN) #<NULL-LEXENV>)
Nov 08 04:17:09 ustar lisp-chat[18971]: 11: (EVAL-TLF (LISP-CHAT-SERVER:MAIN) 2 NIL)
Nov 08 04:17:09 ustar lisp-chat[18971]: 12: ((LABELS SB-FASL::EVAL-FORM :IN SB-INT:LOAD-AS-SOURCE) (LISP-CHAT-SERVER:MAIN) 2)
Nov 08 04:17:09 ustar lisp-chat[18971]: 13: ((LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-INT:LOAD-AS-SOURCE) (LISP-CHAT-SERVER:MAIN)
Nov 08 04:17:09 ustar lisp-chat[18971]: 14: (SB-C::%DO-FORMS-FROM-INFO #<CLOSURE (LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-INT:LOADNov 08 04:17:09 ustar lisp-chat[18971]: 15: (SB-INT:LOAD-AS-SOURCE #<SB-SYS:FD-STREAM for "file /home/lerax/projects/lisp-chat/lisp-chat-server" {10039A46D3}>
Nov 08 04:17:09 ustar lisp-chat[18971]: 16: ((FLET SB-FASL::LOAD-STREAM :IN LOAD) #<SB-SYS:FD-STREAM for "file /home/lerax/projects/lisp-chat/lisp-chat-server"Nov 08 04:17:09 ustar lisp-chat[18971]: 17: (LOAD #<SB-SYS:FD-STREAM for "file /home/lerax/projects/lisp-chat/lisp-chat-server" {10039A46D3}> :VERBOSE NIL :PRINov 08 04:17:09 ustar lisp-chat[18971]: 18: ((FLET SB-IMPL::LOAD-SCRIPT :IN SB-IMPL::PROCESS-SCRIPT) #<SB-SYS:FD-STREAM for "file /home/lerax/projects/lisp-chaNov 08 04:17:09 ustar lisp-chat[18971]: 19: ((FLET #:WITHOUT-INTERRUPTS-BODY-146 :IN SB-IMPL::PROCESS-SCRIPT))
Nov 08 04:17:09 ustar lisp-chat[18971]: 20: (SB-IMPL::PROCESS-SCRIPT "/home/lerax/projects/lisp-chat/lisp-chat-server")
Nov 08 04:17:09 ustar lisp-chat[18971]: 21: (SB-IMPL::TOPLEVEL-INIT)
Nov 08 04:17:09 ustar lisp-chat[18971]: 22: ((FLET #:WITHOUT-INTERRUPTS-BODY-82 :IN SAVE-LISP-AND-DIE))
Nov 08 04:17:09 ustar lisp-chat[18971]: 23: ((LABELS SB-IMPL::RESTART-LISP :IN SAVE-LISP-AND-DIE))

This happened when I tried accessing multiple clients on the same machine through the http://chat.lerax.me