( ! ) Warning: Search backend error during near_match search for '18.117.77.9' after 33. 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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0582	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1047	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1050	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1051	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3244	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3398	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3398	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3594	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.3594	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.3594	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3599	5893672	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3607	5939696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3733	6174792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3735	6206392	PoolCounterWork->execute( )	../Util.php:133
18	0.3737	6230648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3737	6230832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3737	6230904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3737	6232840	PoolCounterWork->execute( )	../Util.php:129
22	0.3737	6233488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3737	6233672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3737	6233792	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4071	6348080	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4072	6352016	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4073	6352296	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4074	6353600	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4074	6353992	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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4127	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.4129	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4153	6285024	WebResponse->header( )	../OutputPage.php:2134
7	0.4153	6285168	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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4127	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.4129	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4184	6293056	WebResponse->header( )	../OutputPage.php:2171
7	0.4184	6293200	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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4127	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.4129	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4213	6293000	WebResponse->header( )	../OutputPage.php:2172
7	0.4213	6293144	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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4127	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.4219	6293000	WebResponse->header( )	../OutputPage.php:2220
6	0.4219	6293144	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	233896	{main}( )	../index.php:0
2	0.0212	3376040	MediaWiki->run( )	../index.php:46
3	0.0213	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4127	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.4268	6293152	WebResponse->header( )	../OutputPage.php:2227
6	0.4268	6293296	header ( )	../WebResponse.php:37