ubuntu 12.10 apache 不能启动，提示undefined symbol: apr_thread_pool

[htaiyang805]

sudo /etc/init.d/apache2 start
* Starting web server apache2
/usr/sbin/apache2: symbol lookup error: /usr/sbin/apache2: undefined symbol: apr_thread_pool_task_owner_get
Action 'start' failed.
The Apache error log may have more information. [fail]

xutao@sytem:~$ ldd /usr/sbin/apache2
linux-gate.so.1 => (0xb7753000)
libpcre.so.3 => /lib/i386-linux-gnu/libpcre.so.3 (0xb7691000)
libaprutil-1.so.0 => /usr/local/lib/libaprutil-1.so.0 (0xb7677000)
libapr-1.so.0 => /usr/local/lib/libapr-1.so.0 (0xb764a000)
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xb762f000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb7485000)
libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xb745d000)
libcrypt.so.1 => /lib/i386-linux-gnu/libcrypt.so.1 (0xb742c000)
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xb7426000)
/lib/ld-linux.so.2 (0xb7754000)
不知道该如何解决，请大家帮忙看一下。
在线等~谢谢

[htaiyang805]

急救！！！

[wjchen]

你的apache2是自己编译安装的还是从源里安装的？