( ! ) Warning: Search backend error during near_match search for '18.217.146.66' after 8. 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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0360	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0509	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0514	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0514	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0998	5795480	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1055	5801736	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1055	5802488	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1085	5817488	Hooks::run( )	../SearchEngine.php:231
12	0.1086	5819088	call_user_func_array ( )	../Hooks.php:209
13	0.1086	5819792	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1094	5893824	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1107	5939856	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1143	6174912	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1147	6206496	PoolCounterWork->execute( )	../Util.php:133
18	0.1163	6230752	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1164	6230936	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1164	6231008	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1164	6232944	PoolCounterWork->execute( )	../Util.php:129
22	0.1165	6233592	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1165	6233776	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1165	6233896	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1248	6348152	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1250	6352088	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1250	6352368	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1252	6353672	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1252	6354064	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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1277	6277376	OutputPage->output( )	../MediaWiki.php:583
5	0.1279	6283832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1280	6285128	WebResponse->header( )	../OutputPage.php:2134
7	0.1281	6285272	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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1277	6277376	OutputPage->output( )	../MediaWiki.php:583
5	0.1279	6283832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1288	6293160	WebResponse->header( )	../OutputPage.php:2171
7	0.1288	6293304	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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1277	6277376	OutputPage->output( )	../MediaWiki.php:583
5	0.1279	6283832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1293	6293104	WebResponse->header( )	../OutputPage.php:2172
7	0.1293	6293248	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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1277	6277376	OutputPage->output( )	../MediaWiki.php:583
5	0.1301	6293104	WebResponse->header( )	../OutputPage.php:2220
6	0.1301	6293248	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	0.0210	3375880	MediaWiki->run( )	../index.php:46
3	0.0210	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1277	6277376	OutputPage->output( )	../MediaWiki.php:583
5	0.1314	6293264	WebResponse->header( )	../OutputPage.php:2227
6	0.1314	6293408	header ( )	../WebResponse.php:37