( ! ) Warning: Search backend error during near_match search for '18.188.209.244' 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	0.0001	233960	{main}( )	../index.php:0
2	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0441	3551632	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0598	4379192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0603	4433104	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0603	4433472	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1092	5794832	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1148	5801064	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1148	5801816	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1171	5816808	Hooks::run( )	../SearchEngine.php:231
12	0.1172	5818408	call_user_func_array ( )	../Hooks.php:209
13	0.1172	5819112	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1175	5893136	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1180	5939168	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1204	6174224	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1206	6205808	PoolCounterWork->execute( )	../Util.php:133
18	0.1208	6230064	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1208	6230248	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1208	6230320	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1208	6232256	PoolCounterWork->execute( )	../Util.php:129
22	0.1209	6232904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1209	6233088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1209	6233208	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1230	6347440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1232	6351376	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1232	6351656	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1233	6352960	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1233	6353352	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	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	6276672	OutputPage->output( )	../MediaWiki.php:583
5	0.1255	6283128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1256	6284424	WebResponse->header( )	../OutputPage.php:2134
7	0.1256	6284568	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	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	6276672	OutputPage->output( )	../MediaWiki.php:583
5	0.1255	6283128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1263	6292456	WebResponse->header( )	../OutputPage.php:2171
7	0.1263	6292600	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	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	6276672	OutputPage->output( )	../MediaWiki.php:583
5	0.1255	6283128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1268	6292400	WebResponse->header( )	../OutputPage.php:2172
7	0.1268	6292544	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	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	6276672	OutputPage->output( )	../MediaWiki.php:583
5	0.1273	6292400	WebResponse->header( )	../OutputPage.php:2220
6	0.1273	6292544	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	0.0332	3376112	MediaWiki->run( )	../index.php:46
3	0.0333	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	6276672	OutputPage->output( )	../MediaWiki.php:583
5	0.1279	6292560	WebResponse->header( )	../OutputPage.php:2227
6	0.1279	6292704	header ( )	../WebResponse.php:37