( ! ) Warning: Search backend error during near_match search for '3.144.145.77' after 19. 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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.0460	3561064	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1015	4388664	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1020	4442608	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1020	4442976	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2963	5805448	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3136	5811120	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3136	5811872	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3237	5826872	Hooks::run( )	../SearchEngine.php:231
12	0.3238	5828472	call_user_func_array ( )	../Hooks.php:209
13	0.3238	5829176	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3244	5903208	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3251	5949232	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3471	6184256	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3474	6217024	PoolCounterWork->execute( )	../Util.php:133
18	0.3475	6241440	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3475	6241624	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3475	6241696	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3476	6243664	PoolCounterWork->execute( )	../Util.php:129
22	0.3476	6244312	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3476	6244496	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3476	6244616	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3664	6358888	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3665	6362824	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3665	6363104	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3666	6364408	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3666	6364800	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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.3684	6288048	OutputPage->output( )	../MediaWiki.php:583
5	0.3686	6294496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3687	6295792	WebResponse->header( )	../OutputPage.php:2134
7	0.3687	6295936	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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.3684	6288048	OutputPage->output( )	../MediaWiki.php:583
5	0.3686	6294496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3694	6303824	WebResponse->header( )	../OutputPage.php:2171
7	0.3694	6303968	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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.3684	6288048	OutputPage->output( )	../MediaWiki.php:583
5	0.3686	6294496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3698	6303768	WebResponse->header( )	../OutputPage.php:2172
7	0.3699	6303912	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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.3684	6288048	OutputPage->output( )	../MediaWiki.php:583
5	0.3703	6303768	WebResponse->header( )	../OutputPage.php:2220
6	0.3703	6303912	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	240336	{main}( )	../index.php:0
2	0.0171	3385552	MediaWiki->run( )	../index.php:46
3	0.0171	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.3684	6288048	OutputPage->output( )	../MediaWiki.php:583
5	0.3918	6303928	WebResponse->header( )	../OutputPage.php:2227
6	0.3918	6304072	header ( )	../WebResponse.php:37