( ! ) Warning: Search backend error during near_match search for '18.119.159.1' after 7. 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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0293	3551960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0478	4379464	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0482	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0482	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0954	5796968	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1007	5802552	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1007	5803304	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1031	5818304	Hooks::run( )	../SearchEngine.php:231
12	0.1031	5819904	call_user_func_array ( )	../Hooks.php:209
13	0.1031	5820608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1039	5894656	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1047	5940688	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1083	6175792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1087	6207400	PoolCounterWork->execute( )	../Util.php:133
18	0.1089	6231656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1089	6231840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1089	6231912	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1089	6233848	PoolCounterWork->execute( )	../Util.php:129
22	0.1089	6234496	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1089	6234680	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1089	6234800	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1157	6349032	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1159	6352968	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1159	6353248	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1160	6354552	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1161	6354944	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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1181	6278232	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6284688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1185	6285984	WebResponse->header( )	../OutputPage.php:2134
7	0.1185	6286128	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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1181	6278232	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6284688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1193	6294016	WebResponse->header( )	../OutputPage.php:2171
7	0.1193	6294160	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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1181	6278232	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6284688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1199	6293960	WebResponse->header( )	../OutputPage.php:2172
7	0.1199	6294104	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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1181	6278232	OutputPage->output( )	../MediaWiki.php:583
5	0.1204	6293960	WebResponse->header( )	../OutputPage.php:2220
6	0.1204	6294104	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	0.0001	233960	{main}( )	../index.php:0
2	0.0158	3376416	MediaWiki->run( )	../index.php:46
3	0.0159	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1181	6278232	OutputPage->output( )	../MediaWiki.php:583
5	0.1210	6294120	WebResponse->header( )	../OutputPage.php:2227
6	0.1210	6294264	header ( )	../WebResponse.php:37