( ! ) Warning: Search backend error during near_match search for '18.191.186.220' 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	233960	{main}( )	../index.php:0
2	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0165	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0308	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0312	4433344	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0313	4433712	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0743	5796160	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0799	5802392	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0799	5803144	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0821	5818136	Hooks::run( )	../SearchEngine.php:231
12	0.0822	5819736	call_user_func_array ( )	../Hooks.php:209
13	0.0822	5820440	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0826	5894488	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0831	5940528	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0852	6175632	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0855	6208416	PoolCounterWork->execute( )	../Util.php:133
18	0.0856	6233160	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0856	6233344	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0856	6233416	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0856	6235384	PoolCounterWork->execute( )	../Util.php:129
22	0.0857	6236032	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0857	6236216	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0857	6236336	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0874	6350584	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0875	6354520	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0875	6354800	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0876	6356104	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0877	6356496	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0899	6279704	OutputPage->output( )	../MediaWiki.php:583
5	0.0901	6286160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0902	6287456	WebResponse->header( )	../OutputPage.php:2134
7	0.0902	6287600	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0899	6279704	OutputPage->output( )	../MediaWiki.php:583
5	0.0901	6286160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0908	6295504	WebResponse->header( )	../OutputPage.php:2171
7	0.0908	6295648	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0899	6279704	OutputPage->output( )	../MediaWiki.php:583
5	0.0901	6286160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0913	6295448	WebResponse->header( )	../OutputPage.php:2172
7	0.0913	6295592	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0899	6279704	OutputPage->output( )	../MediaWiki.php:583
5	0.0918	6295448	WebResponse->header( )	../OutputPage.php:2220
6	0.0918	6295592	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0899	6279704	OutputPage->output( )	../MediaWiki.php:583
5	0.0924	6295608	WebResponse->header( )	../OutputPage.php:2227
6	0.0924	6295752	header ( )	../WebResponse.php:37