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echo/var_dump/print 无法写入到 log_file

### 问题描述

### Swoole4.5.8 4.5.7，PHP7.3 7.4，centos7.8

### 相关代码
```php
/**
     * 执行服务
     */
    function run()
    {
        $config = $this->config['proxy'];
        //创建Server对象
        $server = new Swoole\Server($config['host'], $config['port']);
        //配置Server进程
        $server->set(
            array(
                'daemonize' => $config['daemonize'],
                //Worker 进程数
                'worker_num' => $config['worker_num'],
                //task_worker 进程数
                'task_worker_num' => $config['task_worker_num'],
                //退出最大任务数
                'max_request' => $config['max_request'],
                //打开EOF检测
                'open_eof_check' => $config['open_eof_check'],
                //设置EOF
                'package_eof' => $config['package_eof'],
                //log日志
                'log_file' => $config['log_file'],
                //log日志等级
                'log_level' => $config['log_level']
            )
        );
        //监听进程启动事件
        $server->on('WorkerStart', array($this, 'onWorkerStart'));
        //监听启动事件
        $server->on('Start', array($this, 'onStart'));
        //监听Task事件
        $server->on('Task', array($this, 'onTask'));
        //监听连接打开事件
        $server->on('Connect', array($this, 'onConnect'));
        //监听消息事件
        $server->on('Receive', array($this, 'onReceive'));
        //监听连接关闭事件
        $server->on('Close', array($this, 'onClose'));
        //启动
        $server->start();
    }

/**
     * 监听进程启动事件
     */
    function onWorkerStart($server, $worker_id)
    {
        if (!$server->taskworker && $worker_id == 0) {
            //定时任务
            if ($this->config['proxy']['isopen_task']) {
                echo "启动task服务成功\n";
                $this->taskTimer($server);
            }
        }
    }

/**
     * 监听启动事件
     */
    function onStart($server)
    {
        echo "转发服务启动成功  \n";
    }

/**
     * 监听连接打开事件
     */
    function onConnect($server, $fd)
    {
        echo "Client: " . $fd . " Connect.\n";
    }

```

### 只有onStart的echo能写入log_file,其它的地方都无法写入。log_level等级全部试过，还有Debug 参数也编译了。

发布于3年前 · 5 次浏览 · 来自提问