( ! ) Warning: Search backend error during near_match search for '18.189.193.172' after 6. 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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0237	3957728	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0350	4412440	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0355	4466480	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0355	4466848	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0741	5811888	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0791	5818104	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0791	5818856	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0814	5833848	Hooks::run( )	../SearchEngine.php:231
12	0.0814	5835448	call_user_func_array ( )	../Hooks.php:209
13	0.0814	5836152	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0821	5910200	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0829	5956224	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0864	6191280	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0866	6222864	PoolCounterWork->execute( )	../Util.php:133
18	0.0868	6247120	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0868	6247304	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0868	6247376	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0868	6249312	PoolCounterWork->execute( )	../Util.php:129
22	0.0868	6249960	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0868	6250144	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0868	6250264	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0932	6364536	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0933	6368472	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0933	6368752	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0934	6370056	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0934	6370448	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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	6293768	OutputPage->output( )	../MediaWiki.php:583
5	0.0952	6300224	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0953	6301520	WebResponse->header( )	../OutputPage.php:2134
7	0.0953	6301664	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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	6293768	OutputPage->output( )	../MediaWiki.php:583
5	0.0952	6300224	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0959	6309552	WebResponse->header( )	../OutputPage.php:2171
7	0.0960	6309696	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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	6293768	OutputPage->output( )	../MediaWiki.php:583
5	0.0952	6300224	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0964	6309496	WebResponse->header( )	../OutputPage.php:2172
7	0.0964	6309640	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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	6293768	OutputPage->output( )	../MediaWiki.php:583
5	0.0969	6309496	WebResponse->header( )	../OutputPage.php:2220
6	0.0969	6309640	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	235872	{main}( )	../index.php:0
2	0.0155	3782120	MediaWiki->run( )	../index.php:46
3	0.0156	3783528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	6293768	OutputPage->output( )	../MediaWiki.php:583
5	0.0975	6309656	WebResponse->header( )	../OutputPage.php:2227
6	0.0976	6309800	header ( )	../WebResponse.php:37