求助,apache服务器过一段时间就无法访问
也不知道从什么时候出现的这个问题，过一段时间服务器就无法访问，apache重启会产生错误，只能重启电脑才行
服务器是win2003sp1+appserver2.5.5
错误日志：
[Thu Apr 05 19:04:13 2007] [notice] Parent: child process exited with status 0 -- Restarting.
[Thu Apr 05 19:04:15 2007] [notice] Apache/2.0.55 (Win32) PHP/5.1.1 configured -- resuming normal operations
[Thu Apr 05 19:04:15 2007] [notice] Server built: Oct 9 2005 19:16:56
[Thu Apr 05 19:04:15 2007] [notice] Parent: Created child process 832
[Thu Apr 05 19:04:17 2007] [notice] Child 832: Child process is running
[Thu Apr 05 19:04:17 2007] [notice] Child 832: Acquired the start mutex.
[Thu Apr 05 19:04:17 2007] [notice] Child 832: Starting 250 worker threads.
[Thu Apr 05 19:36:51 2007] [warn] pid file D:/web/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Thu Apr 05 19:36:52 2007] [notice] Apache/2.0.55 (Win32) PHP/5.1.1 configured -- resuming normal operations
[Thu Apr 05 19:36:52 2007] [notice] Server built: Oct 9 2005 19:16:56
[Thu Apr 05 19:36:52 2007] [notice] Parent: Created child process 272
[Thu Apr 05 19:36:52 2007] [notice] Child 272: Child process is running
[Thu Apr 05 19:36:52 2007] [notice] Child 272: Acquired the start mutex.
[Thu Apr 05 19:36:52 2007] [notice] Child 272: Starting 250 worker threads.
[Thu Apr 05 19:37:00 2007] [error] [client 121.16.65.24] File does not exist: D:/web/www/favicon.ico
[Thu Apr 05 20:52:39 2007] [warn] Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
[Fri Apr 06 09:10:03 2007] [warn] pid file D:/web/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Fri Apr 06 09:10:04 2007] [notice] Apache/2.0.55 (Win32) PHP/5.1.1 configured -- resuming normal operations
[Fri Apr 06 09:10:04 2007] [notice] Server built: Oct 9 2005 19:16:56
[Fri Apr 06 09:10:04 2007] [notice] Parent: Created child process 432
[Fri Apr 06 09:10:04 2007] [notice] Child 432: Child process is running
[Fri Apr 06 09:10:04 2007] [notice] Child 432: Acquired the start mutex.
[Fri Apr 06 09:10:04 2007] [notice] Child 432: Starting 250 worker threads.
[Tue Apr 17 21:46:10 2007] [notice] Parent: child process exited with status 1 -- Restarting.
[Tue Apr 17 21:46:11 2007] [notice] Apache/2.0.55 (Win32) PHP/5.1.1 configured -- resuming normal operations
[Tue Apr 17 21:46:11 2007] [notice] Server built: Oct 9 2005 19:16:56
[Tue Apr 17 21:46:11 2007] [notice] Parent: Created child process 7984
[Tue Apr 17 21:46:13 2007] [notice] Child 7984: Child process is running
[Tue Apr 17 21:46:13 2007] [notice] Child 7984: Acquired the start mutex.
[Tue Apr 17 21:46:13 2007] [notice] Child 7984: Starting 1000 worker threads.
