问答关于开启memcached的问题
开启memcached返回如下错误：
registerAddress fail : SYSTEM ERROR
registerAddress fail and exit
unregisterAddressfail reason:SYSTEM ERROR
registerAddress fail : SYSTEM ERROR
registerAddress fail and exit
unregisterAddressfail reason:SYSTEM ERROR
registerAddress fail : SYSTEM ERROR
registerAddress fail and exit
unregisterAddress
问答workerman 4.X daemon 方式运行莫名退出
切换到daemon模式下（命令行运行时 -d ），客户端发送文件给worker进程，worker会莫名退出（status 显示 exit），文件接收会失败。有人遇到同样的问题吗？
问答[已解决]webman 安装后执行start.php 出现 139问题
问答为什么我开启了用memcache就报错了
为什么还提示我没安装
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contentsworkerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXITnot installed
extension memcached is not installed
extension memcached is not installed
Worker:WORKER EXITor directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
Worker:WORKER EXITor directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
Worker:WORKER EXIT
问答$_SESSION 异常报错导致进程busy
subway-gatewaywoker/start.php(38): Workerman\Worker::runAll()
#11 {main}
Worker process terminated
```
worker exitwith status 64000服务端在运行一定时间后会出现busy情况，但是排查了一圈发现业务内并没有造成循环的问题。
问答webman-task安装后报错
wwwroot/hantuzt/start.php(4): support\App::run()
#19 {main}
worker[plugin.yzh52521.task.cron_task:22469] exitwith status 64000
```
问答gatewayworker运行一段时间后出sendAndRecv 异常，导致worker退出
:62 Worker[62] process terminated
2020-10-29 21:03:16 pid:1 worker[Yueqing-PortalBusinessWorker:62] exitwith status 64000
2020-10-29 21:03:17 pid:46 SendBufferToWorker fail.
问答Libevent 疑问
$event) {
exit("event_new faild\n");
}
$flag = $flag == EV_READ ?event_base_set($event, $this->baseEvent)) {
exit("event_base_set faild\n");
}event_add($event)) {
exit("event_add faild\n");
}
//$this->arr[] = $eventloop()
{
$ret = event_base_loop($this->baseEvent);
if ($ret == 1) {
exit("no events were registered\n");
} else if ($ret == -1) {
exit("event_base_loop faild
问答pcntl_wait 信号触发问题
getmypid();
$pid = pcntl_fork();
if($pid > 0)
{
pcntl_signal(SIGINT,'stopAll') ;
$epid = pcntl_wait($statuspcntl_signal_dispatch();
echo "parent process {$master_id}, child process {$pid}\n";
if($epid){
echo "child $epid exit
问答如何创建多个子进程
$pid == -1) {
die('could not fork');
} else if ($pid) {
pcntl_wait($status}
unset($clients);
socket_close($v);
exit
问答/webman status 命名出现报错
/webman.bin status
```
#### 报错信息
```
Workerman[./webman.bin] status
Fatal error: Uncaught TypeError: ksort(): Argument #1 ($array) must be of type
问答businessworker突然全掉了，重启半小时后又全部掉了
然后出现worker exit unexpected；can not connect to tcp://127.0.0.1:xxxx Connection refused in workerman/gateway-worker/src/Lib/Gateway.php:725；exit with status 64000三个错误，重启成功后，businessworker恢复正常，但是半个小时后，BusinessWorker进程又全部没了
问答Gateway::sendToClient($client_id, $message_str) 客户端收不到消息。
```php
$data_arr = [123, 0, 0, 0, 0, 93, 238, 85, 249, 0, 139, 0, 5, 1, 1, 0, 0, 2, 168, 123];
//-把数组转成字符串发送给客户端
问答pcntl_wait调用问题
pid > 0)
{
pcntl_signal(SIGINT,'stopAll') ;
pcntl_signal_dispatch();
$epid = pcntl_wait($statusecho "parent process {$master_id}, child process {$pid}\n";
if($epid){
echo "child $epid exit
问答关于woker进程找不到类的问题
-------------------------------
worker listen processes statusStatistics\Bootstrap\StatisticWorker.php on line 418
cWorker.php on line 418
Worker process terminated with
问答status显示not run的。这是什么原因造成的 大佬们有类似的经历吗
status显示not run的。这是什么原因造成的 大佬们有类似的经历吗
问答[已解决]webman依赖自动注入，配置后服务启动报错
user worker listen processes statusWorkerman\Worker::runAll()
#13 /api/start.php(8): support\App::run()
#14 {main}
worker[monitor:95878] exitwith status 64000
```
!
文档开机启动
## linux系统下workerman如何开机自动启动
打开/etc/rc.local，在```exit 0```前添加类似以下代码
```
ulimit -HSn 102400
/usr/bin/env php /磁盘/路径/start.php start -d
exit 0
```
问答Error: Call to a member function send() on null in
Workerman\Worker::runAll()'''
'''#18 {main}'''
Worker[27827] process terminated
worker[PHPSocketIO:27827] exitwith status 64000
'''
问答Db类打印 进程exit
```
DB::table('users')->where('votes', '>', 100)->dd();
```
此处dd最后会执行die
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