( ! ) Warning: Search backend error during near_match search for '18.221.20.72' after 16. Couldn't connect to host, Elasticsearch down? [Called from CirrusSearch\ElasticsearchIntermediary::failure in /var/www/w122_5/extensions/CirrusSearch/includes/ElasticsearchIntermediary.php at line 98] in /var/www/w122_5/includes/debug/MWDebug.php on line 300
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.0541	3956488	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0914	4411272	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0919	4465192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0919	4465560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2209	5808712	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2337	5814864	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2337	5815616	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2406	5830616	Hooks::run( )	../SearchEngine.php:231
12	0.2407	5832216	call_user_func_array ( )	../Hooks.php:209
13	0.2407	5832920	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2412	5906992	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2418	5953016	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2440	6188072	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2443	6219656	PoolCounterWork->execute( )	../Util.php:133
18	0.2445	6243912	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2445	6244096	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2445	6244168	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2445	6246104	PoolCounterWork->execute( )	../Util.php:129
22	0.2445	6246752	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2445	6246936	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2445	6247056	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2602	6361304	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2603	6365240	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2603	6365520	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2604	6366824	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2604	6367216	trigger_error ( )	../MWDebug.php:300

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.2624	6290528	OutputPage->output( )	../MediaWiki.php:583
5	0.2626	6296976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2627	6298272	WebResponse->header( )	../OutputPage.php:2134
7	0.2627	6298416	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.2624	6290528	OutputPage->output( )	../MediaWiki.php:583
5	0.2626	6296976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2633	6306304	WebResponse->header( )	../OutputPage.php:2171
7	0.2633	6306448	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.2624	6290528	OutputPage->output( )	../MediaWiki.php:583
5	0.2626	6296976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2638	6306248	WebResponse->header( )	../OutputPage.php:2172
7	0.2638	6306392	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.2624	6290528	OutputPage->output( )	../MediaWiki.php:583
5	0.2642	6306248	WebResponse->header( )	../OutputPage.php:2220
6	0.2643	6306392	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	235328	{main}( )	../index.php:0
2	0.0203	3780896	MediaWiki->run( )	../index.php:46
3	0.0203	3782304	MediaWiki->main( )	../MediaWiki.php:424
4	0.2624	6290528	OutputPage->output( )	../MediaWiki.php:583
5	0.2649	6306408	WebResponse->header( )	../OutputPage.php:2227
6	0.2649	6306552	header ( )	../WebResponse.php:37