( ! ) Warning: Search backend error during near_match search for '18.117.220.220' after 17. 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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.0360	3559104	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0667	4386688	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0675	4440640	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0675	4441008	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2082	5803560	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2391	5809216	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2391	5809968	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2469	5824960	Hooks::run( )	../SearchEngine.php:231
12	0.2470	5826560	call_user_func_array ( )	../Hooks.php:209
13	0.2470	5827264	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2476	5901304	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2485	5947344	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2559	6182368	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2561	6215136	PoolCounterWork->execute( )	../Util.php:133
18	0.2562	6239552	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2562	6239736	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2562	6239808	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2563	6241776	PoolCounterWork->execute( )	../Util.php:129
22	0.2563	6242424	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2563	6242608	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2563	6242728	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2734	6356984	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2736	6360920	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2736	6361200	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2736	6362504	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2736	6362896	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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2759	6286152	OutputPage->output( )	../MediaWiki.php:583
5	0.2761	6292608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2762	6293904	WebResponse->header( )	../OutputPage.php:2134
7	0.2762	6294048	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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2759	6286152	OutputPage->output( )	../MediaWiki.php:583
5	0.2761	6292608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2769	6301936	WebResponse->header( )	../OutputPage.php:2171
7	0.2769	6302080	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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2759	6286152	OutputPage->output( )	../MediaWiki.php:583
5	0.2761	6292608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2774	6301880	WebResponse->header( )	../OutputPage.php:2172
7	0.2774	6302024	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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2759	6286152	OutputPage->output( )	../MediaWiki.php:583
5	0.2778	6301880	WebResponse->header( )	../OutputPage.php:2220
6	0.2778	6302024	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	238760	{main}( )	../index.php:0
2	0.0193	3383616	MediaWiki->run( )	../index.php:46
3	0.0193	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2759	6286152	OutputPage->output( )	../MediaWiki.php:583
5	0.2784	6302040	WebResponse->header( )	../OutputPage.php:2227
6	0.2784	6302184	header ( )	../WebResponse.php:37