( ! ) Warning: Search backend error during near_match search for '18.191.235.176' after 11. 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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3708	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3712	4433344	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3712	4433712	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0869	5796920	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1866	5803176	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1866	5803928	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.2296	5818920	Hooks::run( )	../SearchEngine.php:231
12	1.2296	5820520	call_user_func_array ( )	../Hooks.php:209
13	1.2296	5821224	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.2301	5895256	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.2308	5941288	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.2883	6176344	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.2886	6207928	PoolCounterWork->execute( )	../Util.php:133
18	1.2887	6232184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.2888	6232368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.2888	6232440	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.2888	6234376	PoolCounterWork->execute( )	../Util.php:129
22	1.2888	6235024	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.2888	6235208	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.2888	6235328	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.3002	6349560	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.3003	6353496	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.3003	6353776	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.3004	6355080	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.3004	6355472	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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3498	6278784	OutputPage->output( )	../MediaWiki.php:583
5	1.3501	6285240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3554	6286536	WebResponse->header( )	../OutputPage.php:2134
7	1.3554	6286680	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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3498	6278784	OutputPage->output( )	../MediaWiki.php:583
5	1.3501	6285240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3572	6294584	WebResponse->header( )	../OutputPage.php:2171
7	1.3572	6294728	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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3498	6278784	OutputPage->output( )	../MediaWiki.php:583
5	1.3501	6285240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3816	6294528	WebResponse->header( )	../OutputPage.php:2172
7	1.3816	6294672	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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3498	6278784	OutputPage->output( )	../MediaWiki.php:583
5	1.3822	6294528	WebResponse->header( )	../OutputPage.php:2220
6	1.3822	6294672	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	233960	{main}( )	../index.php:0
2	0.0282	3376416	MediaWiki->run( )	../index.php:46
3	0.0283	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3498	6278784	OutputPage->output( )	../MediaWiki.php:583
5	1.3828	6294688	WebResponse->header( )	../OutputPage.php:2227
6	1.3828	6294832	header ( )	../WebResponse.php:37