我正在运行一个 Linux 服务器亚马逊 EC2 实例。
httpd 服务器很好，我刚刚检查过，不再工作。我不确定发生了什么。它没有给出任何输出。
在问题结束时记录...
- 该日志似乎没有任何与请求加载内容错误相关的信息。我正在使用位于此处的日志文件：/etc/httpd/logs/error_log 还有另一个吗？
我有一些虚拟服务器可以重定向正在工作的子域，我暂时删除了它们以防它们与问题有关。
我已经重新启动了几次 httpd 服务器，但仍然没有。
我的 www 目录也有一个 index.php，我在里面放了一个 index.html 以求好运。
任何帮助将不胜感激。
[Wed Apr 25 10:50:18 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Wed Apr 25 10:50:18 2012] [info] Init: Seeding PRNG with 256 bytes of entropy
[Wed Apr 25 10:50:18 2012] [info] Init: Generating temporary RSA private keys (512/1024 bits)
[Wed Apr 25 10:50:19 2012] [info] Init: Generating temporary DH parameters (512/1024 bits)
[Wed Apr 25 10:50:19 2012] [info] Init: Initializing (virtual) servers for SSL
[Wed Apr 25 10:50:19 2012] [info] mod_ssl/2.2.9 compiled against Server: Apache/2.2.9, Library: OpenSSL/0.9.8b
[Wed Apr 25 10:50:19 2012] [notice] Digest: generating secret for digest authentication ...
[Wed Apr 25 10:50:19 2012] [notice] Digest: done
[Wed Apr 25 10:50:19 2012] [debug] util_ldap.c(1977): LDAP merging Shared Cache conf: shm=0x8009e420 rmm=0x8009e450 for VHOST: domU-12-31-39-0A-1D-16.compute-1.internal
[Wed Apr 25 10:50:19 2012] [info] APR LDAP: Built with OpenLDAP LDAP SDK
[Wed Apr 25 10:50:19 2012] [info] LDAP: SSL support available
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/modules/memcache.so' - /usr/lib/php/modules/memcache.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning: Module 'gd' already loaded in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/modules/memcache.so' - /usr/lib/php/modules/memcache.so: cannot open shared object file: No such file or directory in Unknown on line 0
[Wed Apr 25 10:50:19 2012] [info] Init: Seeding PRNG with 256 bytes of entropy
[Wed Apr 25 10:50:19 2012] [info] Init: Generating temporary RSA private keys (512/1024 bits)
[Wed Apr 25 10:50:19 2012] [info] Init: Generating temporary DH parameters (512/1024 bits)
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(374): shmcb_init allocated 512000 bytes of shared memory
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(554): entered shmcb_init_memory()
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(576): for 512000 bytes, recommending 4266 indexes
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(619): shmcb_init_memory choices follow
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(621): division_mask = 0x1F
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(623): division_offset = 64
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(625): division_size = 15998
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(627): queue_size = 1604
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(629): index_num = 133
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(631): index_offset = 8
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(633): index_size = 12
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(635): cache_data_offset = 8
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(637): cache_data_size = 14386
[Wed Apr 25 10:50:19 2012] [debug] ssl_scache_shmcb.c(650): leaving shmcb_init_memory()
[Wed Apr 25 10:50:19 2012] [info] Shared memory session cache initialised
[Wed Apr 25 10:50:19 2012] [info] Init: Initializing (virtual) servers for SSL
[Wed Apr 25 10:50:19 2012] [info] mod_ssl/2.2.9 compiled against Server: Apache/2.2.9, Library: OpenSSL/0.9.8b
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14136 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14136 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14137 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14137 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14138 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14138 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14138 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14139 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14139 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14140 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14140 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14141 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14141 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14142 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14142 for (*)
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 14143 for worker proxy:reverse
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized
[Wed Apr 25 10:50:19 2012] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 14143 for (*)
[Wed Apr 25 10:50:19 2012] [notice] Apache/2.2.9 (Unix) DAV/2 PHP/5.2.6 mod_ssl/2.2.9 OpenSSL/0.9.8b configured -- resuming normal operations
[Wed Apr 25 10:50:19 2012] [info] Server built: Jul 14 2008 15:29:50
[Wed Apr 25 10:50:19 2012] [debug] prefork.c(1001): AcceptMutex: sysvsem (default: sysvsem)