( ! ) Warning: Search backend error during near_match search for '18.218.50.170' after 7. 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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0165	3599256	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0320	4412576	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0325	4466552	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0325	4466920	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0935	5794224	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0997	5800504	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0997	5801256	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1023	5816256	Hooks::run( )	../SearchEngine.php:231
12	0.1023	5817856	call_user_func_array ( )	../Hooks.php:209
13	0.1023	5818560	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1029	5892600	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1037	5938624	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1070	6173728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1073	6206496	PoolCounterWork->execute( )	../Util.php:133
18	0.1075	6230968	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1075	6231152	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1075	6231224	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1076	6233192	PoolCounterWork->execute( )	../Util.php:129
22	0.1076	6233840	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1076	6234024	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1076	6234144	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1142	6348432	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1143	6352368	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1143	6352648	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1144	6353952	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1144	6354344	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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.1161	6277544	OutputPage->output( )	../MediaWiki.php:583
5	0.1163	6284000	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1164	6285296	WebResponse->header( )	../OutputPage.php:2134
7	0.1164	6285440	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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.1161	6277544	OutputPage->output( )	../MediaWiki.php:583
5	0.1163	6284000	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1171	6293328	WebResponse->header( )	../OutputPage.php:2171
7	0.1171	6293472	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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.1161	6277544	OutputPage->output( )	../MediaWiki.php:583
5	0.1163	6284000	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1177	6293272	WebResponse->header( )	../OutputPage.php:2172
7	0.1177	6293416	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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.1161	6277544	OutputPage->output( )	../MediaWiki.php:583
5	0.1182	6293272	WebResponse->header( )	../OutputPage.php:2220
6	0.1182	6293416	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	232232	{main}( )	../index.php:0
2	0.0085	3374168	MediaWiki->run( )	../index.php:46
3	0.0085	3375576	MediaWiki->main( )	../MediaWiki.php:424
4	0.1161	6277544	OutputPage->output( )	../MediaWiki.php:583
5	0.1188	6293432	WebResponse->header( )	../OutputPage.php:2227
6	0.1188	6293576	header ( )	../WebResponse.php:37