( ! ) Warning: Search backend error during near_match search for '18.191.150.153' 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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.0354	3560480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0773	4387984	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0779	4441880	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0779	4442248	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1793	5803952	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1847	5810136	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1848	5810888	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1870	5825880	Hooks::run( )	../SearchEngine.php:231
12	0.1870	5827480	call_user_func_array ( )	../Hooks.php:209
13	0.1870	5828184	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1877	5902216	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1887	5948240	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1923	6183264	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1926	6216048	PoolCounterWork->execute( )	../Util.php:133
18	0.1927	6240464	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1927	6240648	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1928	6240720	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1928	6242688	PoolCounterWork->execute( )	../Util.php:129
22	0.1928	6243336	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1928	6243520	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1928	6243640	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1994	6357888	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1996	6361824	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1996	6362104	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1997	6363408	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1997	6363800	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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.2016	6287056	OutputPage->output( )	../MediaWiki.php:583
5	0.2018	6293512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2019	6294808	WebResponse->header( )	../OutputPage.php:2134
7	0.2019	6294952	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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.2016	6287056	OutputPage->output( )	../MediaWiki.php:583
5	0.2018	6293512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2027	6302840	WebResponse->header( )	../OutputPage.php:2171
7	0.2027	6302984	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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.2016	6287056	OutputPage->output( )	../MediaWiki.php:583
5	0.2018	6293512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2032	6302784	WebResponse->header( )	../OutputPage.php:2172
7	0.2032	6302928	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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.2016	6287056	OutputPage->output( )	../MediaWiki.php:583
5	0.2036	6302784	WebResponse->header( )	../OutputPage.php:2220
6	0.2036	6302928	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	239856	{main}( )	../index.php:0
2	0.0129	3384928	MediaWiki->run( )	../index.php:46
3	0.0130	3386336	MediaWiki->main( )	../MediaWiki.php:424
4	0.2016	6287056	OutputPage->output( )	../MediaWiki.php:583
5	0.2044	6302944	WebResponse->header( )	../OutputPage.php:2227
6	0.2044	6303088	header ( )	../WebResponse.php:37