CMSExternalLinksController::start() hangs as it waits for the connection to be released

[sabina-talipova]

Description

CMSExternalLinksController::start() hangs as it waits for the connection to be released should return back and continue processing (http://us3.php.net/manual/en/features.connection-handling.php)

See:

silverstripe-externallinks/src/Controllers/CMSExternalLinksController.php

Lines 65 to 69 in d409bce

	//TODO this hangs as it waits for the connection to be released
	// should return back and continue processing
	// http://us3.php.net/manual/en/features.connection-handling.php
	$task = CheckExternalLinksTask::create();
	$task->runLinksCheck();