( ! ) Warning: Search backend error during near_match search for '18.223.106.232' 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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0247	3956968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0365	4411816	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0369	4465848	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0369	4466216	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0765	5809920	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0820	5816088	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0820	5816840	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0847	5831832	Hooks::run( )	../SearchEngine.php:231
12	0.0847	5833432	call_user_func_array ( )	../Hooks.php:209
13	0.0847	5834136	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0851	5908192	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0858	5954216	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0885	6189280	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0886	6220864	PoolCounterWork->execute( )	../Util.php:133
18	0.0887	6245120	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0887	6245304	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0887	6245376	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0887	6247312	PoolCounterWork->execute( )	../Util.php:129
22	0.0887	6247960	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0888	6248144	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0888	6248264	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0950	6362528	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0951	6366464	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0951	6366744	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0952	6368048	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0953	6368440	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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6291760	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6298216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0974	6299512	WebResponse->header( )	../OutputPage.php:2134
7	0.0974	6299656	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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6291760	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6298216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0980	6307544	WebResponse->header( )	../OutputPage.php:2171
7	0.0980	6307688	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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6291760	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6298216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0985	6307488	WebResponse->header( )	../OutputPage.php:2172
7	0.0985	6307632	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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6291760	OutputPage->output( )	../MediaWiki.php:583
5	0.0990	6307488	WebResponse->header( )	../OutputPage.php:2220
6	0.0990	6307632	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	235872	{main}( )	../index.php:0
2	0.0161	3781576	MediaWiki->run( )	../index.php:46
3	0.0162	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6291760	OutputPage->output( )	../MediaWiki.php:583
5	0.0996	6307648	WebResponse->header( )	../OutputPage.php:2227
6	0.0996	6307792	header ( )	../WebResponse.php:37