( ! ) Warning: Search backend error during near_match search for '3.137.162.72' after 2. 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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0211	3551512	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0570	4379208	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0573	4433096	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0573	4433464	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1081	5795096	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1138	5801352	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1138	5802104	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1160	5817104	Hooks::run( )	../SearchEngine.php:231
12	0.1160	5818704	call_user_func_array ( )	../Hooks.php:209
13	0.1160	5819408	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1163	5893432	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1167	5939456	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1186	6174512	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1188	6206096	PoolCounterWork->execute( )	../Util.php:133
18	0.1189	6230352	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1189	6230536	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1189	6230608	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1189	6232544	PoolCounterWork->execute( )	../Util.php:129
22	0.1189	6233192	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1189	6233376	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1189	6233496	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1205	6347744	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1206	6351680	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1207	6351960	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1207	6353264	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1207	6353656	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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1224	6276968	OutputPage->output( )	../MediaWiki.php:583
5	0.1226	6283424	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1227	6284720	WebResponse->header( )	../OutputPage.php:2134
7	0.1227	6284864	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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1224	6276968	OutputPage->output( )	../MediaWiki.php:583
5	0.1226	6283424	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1233	6292752	WebResponse->header( )	../OutputPage.php:2171
7	0.1233	6292896	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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1224	6276968	OutputPage->output( )	../MediaWiki.php:583
5	0.1226	6283424	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1238	6292696	WebResponse->header( )	../OutputPage.php:2172
7	0.1238	6292840	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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1224	6276968	OutputPage->output( )	../MediaWiki.php:583
5	0.1243	6292696	WebResponse->header( )	../OutputPage.php:2220
6	0.1243	6292840	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	233928	{main}( )	../index.php:0
2	0.0087	3376040	MediaWiki->run( )	../index.php:46
3	0.0088	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1224	6276968	OutputPage->output( )	../MediaWiki.php:583
5	0.1248	6292856	WebResponse->header( )	../OutputPage.php:2227
6	0.1248	6293000	header ( )	../WebResponse.php:37