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记录php5.4与php-redis冲突的解决

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發布: 2016-06-21 08:48:50
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最近由于update了ubuntu的源,导致原来新源与本地系统库一些lib冲突,导致系统桌面显示异常,后来只有重装,新安装了php5.4.9,还安装了redis,php-redis扩展,php-redis扩展2,10。但把原来的项目一放上去,就报nginx 502错误(nginx 502错误真是个很头疼的问题)。打开nginx日志查看

 

[error] 29229#0: *1403 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 127.0.0.1, server:

 

不知道所云。后来打开php-fpm错误日志,得到的log日志

 

[08-Oct-2013 21:22:23] WARNING: [pool www] child 12026 exited on signal 11 (SIGSEGV - core dumped) after 5.997917 seconds from start

 

[08-Oct-2013 21:22:23] NOTICE: [pool www] child 12034 started

 

可以确定的一点,是php-fpm在一个时间点后重启了一个进程。还是毫无头绪。在网上搜了一大遍,有个有用的跟踪方法。

 

1、设置php-fpm,只起一个work进程

 

2、重启php-fpm, 执行ps aux grep php-fpm 得到work进程号pid

 

3、strace -p  pid 

 

下面是我得到的信息

 

getcwd("/home/www/wms2.xxxx.com", 4096) = 26

 

lstat("/home/www/wms2.xiaomi.com/./RWebUser.php", 0x7ffff4e30a10) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xiaomi.com/protected/vendor/wms/api/RWebUser.php", 0x7ffff4e30a10) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xiaomi.com/protected/vendor/wms/RWebUser.php", 0x7ffff4e30a10) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xiaomi.com/protected/extensions/log/RWebUser.php", 0x7ffff4e30a10) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xiaomi.com/protected/modules/rights/components/RWebUser.php", {st_mode=S_IFREG0777, st_size=2945, ...}) = 0

 

lstat("/home/www/wms2.xiaomi.com/protected/modules/rights/components", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

lstat("/home/www/wms2.xiaomi.com/protected/modules/rights", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

lstat("/home/www/wms2.xiaomi.com/protected/modules", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

open("/home/www/wms2.xiaomi.com/protected/modules/rights/components/RWebUser.php", O_RDONLY) = 5

 

fstat(5, {st_mode=S_IFREG0777, st_size=2945, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2945, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2945, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2945, ...}) = 0

 

mmap(NULL, 2945, PROT_READ, MAP_SHARED, 5, 0) = 0x7fd9b4804000

 

mmap(NULL, 266240, PROT_READPROT_WRITE, MAP_PRIVATEMAP_ANONYMOUS, -1, 0) = 0x7fd9b442f000

 

munmap(0x7fd9b4804000, 2945)            = 0

 

close(5)                                = 0

 

getcwd("/home/www/wms2.xxx.com", 4096) = 26

 

lstat("/home/www/wms2.xxx.com/./XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/vendor/wms/api/XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/vendor/wms/XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/extensions/log/XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/modules/rights/components/XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/modules/rights/XMCCacheHttpSession.php", 0x7ffff4e31060) = -1 ENOENT (No such file or directory)

 

lstat("/home/www/wms2.xxx.com/protected/components/XMCCacheHttpSession.php", {st_mode=S_IFREG0777, st_size=2612, ...}) = 0

 

open("/home/www/wms2.xxx.com/protected/components/XMCCacheHttpSession.php", O_RDONLY) = 5

 

fstat(5, {st_mode=S_IFREG0777, st_size=2612, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2612, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2612, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2612, ...}) = 0

 

mmap(NULL, 2612, PROT_READ, MAP_SHARED, 5, 0) = 0x7fd9b4804000

 

munmap(0x7fd9b4804000, 2612)            = 0

 

close(5)                                = 0

 

sendto(4, "get 6cacd9674ad21aa083b5032b1a29"..., 39, MSG_DONTWAITMSG_NOSIGNAL, NULL, 0) = 39

 

recvfrom(4, 0x2806d88, 8196, 64, 0, 0)  = -1 EAGAIN (Resource temporarily unavailable)

 

poll([{fd=4, events=POLLIN}], 1, 5000)  = 1 ([{fd=4, revents=POLLIN}])

 

recvfrom(4, "VALUE 6cacd9674ad21aa083b5032b1a"..., 8196, MSG_DONTWAIT, NULL, NULL) = 128

 

lstat("/home/www/wms2.xxx.com/yii/web/CHttpCookie.php", {st_mode=S_IFREG0777, st_size=2772, ...}) = 0

 

lstat("/home/www/wms2.xxx.com/yii/web", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

open("/home/www/wms2.xxx.com/yii/web/CHttpCookie.php", O_RDONLY) = 5

 

fstat(5, {st_mode=S_IFREG0777, st_size=2772, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2772, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2772, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2772, ...}) = 0

 

mmap(NULL, 2772, PROT_READ, MAP_SHARED, 5, 0) = 0x7fd9b4804000

 

munmap(0x7fd9b4804000, 2772)            = 0

 

close(5)                                = 0

 

stat("/home/www/wms2.xxx.com/protected/extensions/redis/XMRedis.php", {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

lstat("/home/www/wms2.xxx.com/protected/extensions/redis/XMRedis.php", {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

lstat("/home/www/wms2.xxx.com/protected/extensions/redis", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

lstat("/home/www/wms2.xxx.com/protected/extensions", {st_mode=S_IFDIR0777, st_size=4096, ...}) = 0

 

open("/home/www/wms2.xxx.com/protected/extensions/redis/XMRedis.php", O_RDONLY) = 5

 

fstat(5, {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

fstat(5, {st_mode=S_IFREG0777, st_size=2672, ...}) = 0

 

mmap(NULL, 2672, PROT_READ, MAP_SHARED, 5, 0) = 0x7fd9b4804000

 

munmap(0x7fd9b4804000, 2672)            = 0

 

close(5)                                = 0

 

socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 5

 

close(5)                                = 0

 

socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 5

 

fcntl(5, F_GETFL)                       = 0x2 (flags O_RDWR)

 

fcntl(5, F_SETFL, O_RDWRO_NONBLOCK)    = 0

 

connect(5, {sa_family=AF_INET, sin_port=htons(22122), sin_addr=inet_addr("10.237.36.231")}, 16) = -1 EINPROGRESS (Operation now in progress)

 

poll([{fd=5, events=POLLINPOLLOUTPOLLERRPOLLHUP}], 1, 3000) = 1 ([{fd=5, revents=POLLOUT}])

 

getsockopt(5, SOL_SOCKET, SO_ERROR, [0], [4]) = 0

 

fcntl(5, F_SETFL, O_RDWR)               = 0

 

setsockopt(5, SOL_TCP, TCP_NODELAY, [1], 4) = 0

 

poll([{fd=5, events=POLLINPOLLPRIPOLLERRPOLLHUP}], 1, 0) = 0 (Timeout)

 

sendto(5, "*2\r\n$4\r\nAUTH\r\n$9\r\nxm_wms_rs\r\n", 29, MSG_DONTWAIT, NULL, 0) = 29

 

poll([{fd=5, events=POLLINPOLLPRIPOLLERRPOLLHUP}], 1, 0) = 0 (Timeout)

 

poll([{fd=5, events=POLLINPOLLERRPOLLHUP}], 1, 3000) = 1 ([{fd=5, revents=POLLIN}])

 

recvfrom(5, "+OK\r\n", 8192, MSG_DONTWAIT, NULL, NULL) = 5

 

--- SIGSEGV (Segmentation fault) @ 0 (0) ---

 

Process 6011 detached

 

 

可以看得出,在执行XMRedis后进程6011 就死掉了。基本可以定位是php-redis出了问题。

 

继续追查最终发现了有段代码问题

 

 

 public function conn() {

 

        try {

 

            $this->_redis->pconnect($this->host, $this->port, $this->timeout);

 

            // Set client option. must AFTER connected

 

            //var_dump(Redis::OPT_SERIALIZER,Redis::SERIALIZER_PHP);exit();

 

           $this->_redis->setOption(Redis::OPT_SERIALIZER,Redis::SERIALIZER_PHP);

 

           //$this->_redis->setOption(0, 0);

 

            $this->_redis->auth("xm_wms_rs");

 

 

            $this->connected = true;

 

 

        } catch (RedisException $e) {

 

            throw new CHttpException(500, "Redis occurs an error:" . $e->getMessage());

 

        }

 

    }

 

用红色的代码那段,就会报502错误,而用绿色代码这段就没问题。

 

 

setOption 这个是个神马东西呢?查了下php-redis api

 

 

$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_NONE);   // don't serialize data  不序列化数据

 

$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP);    // use built-in serialize/unserialize  用php内置的序列化

 

$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_IGBINARY);   // use igBinary serialize/unserialize 用扩展IGBINARY序列化

 

$redis->setOption(Redis::OPT_PREFIX, 'myAppName:'); // use custom prefix on all keys redis key前缀

 

 

$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP);  用此就报502

 

为什么用php内置的序列化就会出错呢?到底发生了什么?

 

后来又安装了IGBINARY 扩展,还是不行。最后把php-redis安装了最新的版本2.24,再运行,就完全没问题了。

 



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