( ! ) Warning: Search backend error during near_match search for '18.189.186.239' after 15. 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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0605	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2098	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2103	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2103	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.8850	5795640	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0100	5801920	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0100	5802672	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0312	5817664	Hooks::run( )	../SearchEngine.php:231
12	1.0312	5819264	call_user_func_array ( )	../Hooks.php:209
13	1.0313	5819968	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0318	5894008	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0325	5940040	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0354	6175096	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0357	6206680	PoolCounterWork->execute( )	../Util.php:133
18	1.0358	6230936	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0358	6231120	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0358	6231192	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0359	6233128	PoolCounterWork->execute( )	../Util.php:129
22	1.0359	6233776	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0359	6233960	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0359	6234080	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0511	6348152	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0513	6352088	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0513	6352368	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0514	6353672	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0514	6354064	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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.0530	6277352	OutputPage->output( )	../MediaWiki.php:583
5	1.0619	6283808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0620	6285104	WebResponse->header( )	../OutputPage.php:2134
7	1.0620	6285248	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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.0530	6277352	OutputPage->output( )	../MediaWiki.php:583
5	1.0619	6283808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0627	6293152	WebResponse->header( )	../OutputPage.php:2171
7	1.0627	6293296	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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.0530	6277352	OutputPage->output( )	../MediaWiki.php:583
5	1.0619	6283808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0632	6293096	WebResponse->header( )	../OutputPage.php:2172
7	1.0632	6293240	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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.0530	6277352	OutputPage->output( )	../MediaWiki.php:583
5	1.0637	6293096	WebResponse->header( )	../OutputPage.php:2220
6	1.0637	6293240	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	0.0087	3375880	MediaWiki->run( )	../index.php:46
3	0.0087	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.0530	6277352	OutputPage->output( )	../MediaWiki.php:583
5	1.0643	6293256	WebResponse->header( )	../OutputPage.php:2227
6	1.0643	6293400	header ( )	../WebResponse.php:37