( ! ) Warning: Search backend error during near_match search for '18.117.103.28' 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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0189	3551832	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0339	4379520	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0344	4433448	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0344	4433816	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0788	5795432	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0841	5801440	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0841	5802192	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0866	5817192	Hooks::run( )	../SearchEngine.php:231
12	0.0867	5818792	call_user_func_array ( )	../Hooks.php:209
13	0.0867	5819496	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0872	5893544	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0880	5939568	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0912	6174672	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0914	6206256	PoolCounterWork->execute( )	../Util.php:133
18	0.0916	6230512	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0916	6230696	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0916	6230768	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0916	6232704	PoolCounterWork->execute( )	../Util.php:129
22	0.0916	6233352	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0916	6233536	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0916	6233656	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0984	6347896	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0985	6351832	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0985	6352112	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0987	6353416	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0987	6353808	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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1006	6277088	OutputPage->output( )	../MediaWiki.php:583
5	0.1009	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1010	6284840	WebResponse->header( )	../OutputPage.php:2134
7	0.1010	6284984	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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1006	6277088	OutputPage->output( )	../MediaWiki.php:583
5	0.1009	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1017	6292872	WebResponse->header( )	../OutputPage.php:2171
7	0.1017	6293016	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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1006	6277088	OutputPage->output( )	../MediaWiki.php:583
5	0.1009	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1021	6292816	WebResponse->header( )	../OutputPage.php:2172
7	0.1022	6292960	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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1006	6277088	OutputPage->output( )	../MediaWiki.php:583
5	0.1026	6292816	WebResponse->header( )	../OutputPage.php:2220
6	0.1026	6292960	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	0.0001	233960	{main}( )	../index.php:0
2	0.0109	3376120	MediaWiki->run( )	../index.php:46
3	0.0109	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1006	6277088	OutputPage->output( )	../MediaWiki.php:583
5	0.1033	6292976	WebResponse->header( )	../OutputPage.php:2227
6	0.1033	6293120	header ( )	../WebResponse.php:37