Returns the Exception associated with the failed command

# MongoDB\Driver\Monitoring\CommandFailedEvent::getError

(mongodb >=1.3.0)

MongoDB\Driver\Monitoring\CommandFailedEvent::getError — Returns the Exception associated with the failed command

### 说明

final public function MongoDB\Driver\Monitoring\CommandFailedEvent::getError(): Exception

### 参数

此函数没有参数。

### 返回值

Returns the Exception associated with the failed command.

### 错误／异常

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### 参见

- Application Performance Monitoring (APM)

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