( ! ) Warning: Search backend error during near_match search for '3.148.104.25' 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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0191	3552824	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0327	4380344	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0331	4434256	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0331	4434624	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0738	5796160	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0787	5802416	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0787	5803168	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0809	5818168	Hooks::run( )	../SearchEngine.php:231
12	0.0809	5819768	call_user_func_array ( )	../Hooks.php:209
13	0.0809	5820472	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0814	5894504	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0820	5940528	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0848	6175536	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0850	6207120	PoolCounterWork->execute( )	../Util.php:133
18	0.0851	6231376	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0851	6231560	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0852	6231632	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0852	6233568	PoolCounterWork->execute( )	../Util.php:129
22	0.0852	6234216	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0852	6234400	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0852	6234520	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0871	6348784	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0872	6352720	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0872	6353000	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0873	6354304	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0873	6354696	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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0889	6278008	OutputPage->output( )	../MediaWiki.php:583
5	0.0891	6284464	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0892	6285760	WebResponse->header( )	../OutputPage.php:2134
7	0.0892	6285904	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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0889	6278008	OutputPage->output( )	../MediaWiki.php:583
5	0.0891	6284464	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0898	6293792	WebResponse->header( )	../OutputPage.php:2171
7	0.0898	6293936	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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0889	6278008	OutputPage->output( )	../MediaWiki.php:583
5	0.0891	6284464	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0903	6293736	WebResponse->header( )	../OutputPage.php:2172
7	0.0903	6293880	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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0889	6278008	OutputPage->output( )	../MediaWiki.php:583
5	0.0907	6293736	WebResponse->header( )	../OutputPage.php:2220
6	0.0907	6293880	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	235296	{main}( )	../index.php:0
2	0.0113	3377424	MediaWiki->run( )	../index.php:46
3	0.0114	3378832	MediaWiki->main( )	../MediaWiki.php:424
4	0.0889	6278008	OutputPage->output( )	../MediaWiki.php:583
5	0.0914	6293896	WebResponse->header( )	../OutputPage.php:2227
6	0.0914	6294040	header ( )	../WebResponse.php:37