apache2 与 APC 兼容后出现的问题
问题是在 apache2 优雅之后 apc 将无法正常工作。 apache error.log 中有一条错误消息，内容为“无法重新声明类 bughandlerabstract。
通常有一个具有此名称的类，但正确的名称是 BugHandlerAbstract。apache2
重新启动后它将再次工作。
我尝试了一些更改apc.ini，但现在没有任何作用。我也尝试使用 apc.filters 从 apc 中排除 BugHandlerAbstract.php，但问题没有解决，
然后我在关闭中执行了 Zend_Session::writeClose();处理程序但也没有解决问题，
这是 apc 的设置：
apc.cache_by_default 1
apc.canonicalize 1
apc.coredump_unmap 0
apc.enable_cli 0
apc.enabled 1
apc.file_md5 0
apc.file_update_protection 2
apc.filters BugHandlerAbstract.php
apc.gc_ttl 3600
apc.include_once_override 0
apc.lazy_classes 0
apc.lazy_functions 0
apc.max_file_size 1M
apc.mmap_file_mask
apc.num_files_hint 1000
apc.preload_path
apc.report_autofilter 0
apc.rfc1867 0
apc.rfc1867_freq 0
apc.rfc1867_name APC_UPLOAD_PROGRESS
apc.rfc1867_prefix upload_
apc.rfc1867_ttl 3600
apc.serializer default
apc.shm_segments 1
apc.shm_size 768M
apc.slam_defense 1
apc.stat 1
apc.stat_ctime 0
apc.ttl 0
apc.use_request_time 1
apc.user_entries_hint 4096
apc.user_ttl 0
apc.write_lock 1
General Cache Information
APC Version 3.1.7
PHP Version 5.3.3-7
APC Host app6.xxxxxxxxxxxx.de
Server Software Apache/2.2.16 (Debian)
Shared Memory 1 Segment(s) with 768.0 MBytes
(mmap memory, pthread mutex Locks locking)
Start Time 2011/05/20 11:18:48
Uptime 34 minutes
File Upload Support 1
谢谢。
The problem is that after a apache2 graceful the apc won't work correctly. There is an error message in the apache error.log with "cannot redeclare class bughandlerabstract.
Normaly there is a class with this name, but the correct name ist BugHandlerAbstract.
After a apache2 restart it will work again.
I've tried some changes in the apc.ini, but nothing work right now. I tried also to exclude the BugHandlerAbstract.php from apc with apc.filters, but the problem was not solved.
Then i've done a Zend_Session::writeClose(); in our shutdown handler but also not solving the problem.
Here are the settings of the apc:
apc.cache_by_default 1
apc.canonicalize 1
apc.coredump_unmap 0
apc.enable_cli 0
apc.enabled 1
apc.file_md5 0
apc.file_update_protection 2
apc.filters BugHandlerAbstract.php
apc.gc_ttl 3600
apc.include_once_override 0
apc.lazy_classes 0
apc.lazy_functions 0
apc.max_file_size 1M
apc.mmap_file_mask
apc.num_files_hint 1000
apc.preload_path
apc.report_autofilter 0
apc.rfc1867 0
apc.rfc1867_freq 0
apc.rfc1867_name APC_UPLOAD_PROGRESS
apc.rfc1867_prefix upload_
apc.rfc1867_ttl 3600
apc.serializer default
apc.shm_segments 1
apc.shm_size 768M
apc.slam_defense 1
apc.stat 1
apc.stat_ctime 0
apc.ttl 0
apc.use_request_time 1
apc.user_entries_hint 4096
apc.user_ttl 0
apc.write_lock 1
General Cache Information
APC Version 3.1.7
PHP Version 5.3.3-7
APC Host app6.xxxxxxxxxxxx.de
Server Software Apache/2.2.16 (Debian)
Shared Memory 1 Segment(s) with 768.0 MBytes
(mmap memory, pthread mutex Locks locking)
Start Time 2011/05/20 11:18:48
Uptime 34 minutes
File Upload Support 1
Thanks
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评论（2）
我的开发盒中也遇到了同样的问题，说实话，我无法使用任何建议的解决方案来解决它。
APC 非常好，但我想这个问题没有解决方案。
我猜它在
APC中存在错误，所以我建议您将缓存主机app6.xxxxxxxxxxxx.de转换为 xcache，您将能够在不到1小时，节省时间。I had the same problem in my development box and to be honest I wasn't able to fix it with any proposed solution .
APC is very good but i guess there is no solution to this issue .
I guess its bug in
APCso I would advise you to convert your cache hostapp6.xxxxxxxxxxxx.deto xcache and you would be able to convert to it easily in less than 1 hour , so save your time .Dirk，
PHP 5.3.7 不是稳定的PHP 5.3.1.7 被认为已过时且存在已知错误。运行最新的稳定版本可能会解决您的问题。当您在未打开 APC 的情况下运行时，是否会遇到关闭和无法重新声明类错误？是什么让阿帕奇表现得很优雅？通常出现无法重新声明函数或类错误是因为类或函数加载了 2 次，而不是因为是否被缓存。 PHP 非常聪明。也许
apc.filters 需要正则表达式。要排除该类，请尝试：
apc.filters "\BugHandlerAbstract\.php$"尝试更改这些部分。
Dirk,
PHP 5.3.7 isn't a stablePHP 5.3.1.7 is considered outdated and has known bugs. Running latest stable might solve your problem. Do you get shutdowns and the can't redeclare class error when you run without APC turned on? Whats causing Apache to do a graceful?Usually with a can't redeclare function or class error it's because the class or function is loading 2 times not because of being cached or not. PHP is pretty smart. Maybe
the apc.filters requires a regex. To exclude the class try:
apc.filters "\BugHandlerAbstract\.php$"Try changing these sections.