( ! ) Warning: Search backend error during near_match search for '18.188.215.1' 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	233960	{main}( )	../index.php:0
2	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0178	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0365	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0370	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0370	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0812	5795832	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0866	5802088	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0866	5802840	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0889	5817840	Hooks::run( )	../SearchEngine.php:231
12	0.0889	5819440	call_user_func_array ( )	../Hooks.php:209
13	0.0889	5820144	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0894	5894184	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0903	5940232	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0936	6175336	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0939	6206928	PoolCounterWork->execute( )	../Util.php:133
18	0.0941	6231184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0941	6231368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0941	6231440	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0941	6233376	PoolCounterWork->execute( )	../Util.php:129
22	0.0941	6234024	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0941	6234208	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0941	6234328	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1008	6348560	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1009	6352496	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1009	6352776	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1011	6354080	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1011	6354472	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1032	6277760	OutputPage->output( )	../MediaWiki.php:583
5	0.1034	6284216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1036	6285512	WebResponse->header( )	../OutputPage.php:2134
7	0.1036	6285656	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1032	6277760	OutputPage->output( )	../MediaWiki.php:583
5	0.1034	6284216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1042	6293544	WebResponse->header( )	../OutputPage.php:2171
7	0.1042	6293688	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1032	6277760	OutputPage->output( )	../MediaWiki.php:583
5	0.1034	6284216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1048	6293488	WebResponse->header( )	../OutputPage.php:2172
7	0.1048	6293632	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1032	6277760	OutputPage->output( )	../MediaWiki.php:583
5	0.1053	6293488	WebResponse->header( )	../OutputPage.php:2220
6	0.1053	6293632	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0090	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1032	6277760	OutputPage->output( )	../MediaWiki.php:583
5	0.1059	6293648	WebResponse->header( )	../OutputPage.php:2227
6	0.1059	6293792	header ( )	../WebResponse.php:37