( ! ) Warning: Search backend error during near_match search for '18.220.62.173' after 6. 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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.0217	3560488	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0364	4387976	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0368	4441888	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0369	4442256	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1001	5804016	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1140	5809960	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1140	5810712	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1163	5825712	Hooks::run( )	../SearchEngine.php:231
12	0.1164	5827312	call_user_func_array ( )	../Hooks.php:209
13	0.1164	5828016	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1170	5902048	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1178	5948072	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1211	6183160	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1214	6215936	PoolCounterWork->execute( )	../Util.php:133
18	0.1215	6240376	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1215	6240560	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1215	6240632	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1215	6242600	PoolCounterWork->execute( )	../Util.php:129
22	0.1215	6243248	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1215	6243432	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1215	6243552	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1280	6357848	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1281	6361784	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1281	6362064	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1283	6363368	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1283	6363760	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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	6286992	OutputPage->output( )	../MediaWiki.php:583
5	0.1304	6293440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1305	6294736	WebResponse->header( )	../OutputPage.php:2134
7	0.1305	6294880	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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	6286992	OutputPage->output( )	../MediaWiki.php:583
5	0.1304	6293440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1311	6302768	WebResponse->header( )	../OutputPage.php:2171
7	0.1311	6302912	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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	6286992	OutputPage->output( )	../MediaWiki.php:583
5	0.1304	6293440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1316	6302712	WebResponse->header( )	../OutputPage.php:2172
7	0.1316	6302856	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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	6286992	OutputPage->output( )	../MediaWiki.php:583
5	0.1321	6302712	WebResponse->header( )	../OutputPage.php:2220
6	0.1321	6302856	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	239856	{main}( )	../index.php:0
2	0.0113	3384936	MediaWiki->run( )	../index.php:46
3	0.0114	3386344	MediaWiki->main( )	../MediaWiki.php:424
4	0.1302	6286992	OutputPage->output( )	../MediaWiki.php:583
5	0.1327	6302872	WebResponse->header( )	../OutputPage.php:2227
6	0.1327	6303016	header ( )	../WebResponse.php:37