( ! ) Warning: Search backend error during near_match search for '52.15.55.18' after 42. 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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0811	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1386	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1393	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1393	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3878	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4491	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4491	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4648	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.4648	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.4648	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4730	5893672	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4736	5939696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5068	6174792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5071	6206392	PoolCounterWork->execute( )	../Util.php:133
18	0.5073	6230648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5073	6230832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5073	6230904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5073	6232840	PoolCounterWork->execute( )	../Util.php:129
22	0.5074	6233488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5074	6233672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5074	6233792	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5494	6348080	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5496	6352016	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5496	6352296	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5497	6353600	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5497	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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5516	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5519	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5520	6285024	WebResponse->header( )	../OutputPage.php:2134
7	0.5520	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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5516	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5519	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5619	6293056	WebResponse->header( )	../OutputPage.php:2171
7	0.5619	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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5516	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5519	6283728	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5729	6293000	WebResponse->header( )	../OutputPage.php:2172
7	0.5729	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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5516	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5734	6293000	WebResponse->header( )	../OutputPage.php:2220
6	0.5734	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	0.0322	3376040	MediaWiki->run( )	../index.php:46
3	0.0322	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5516	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5740	6293152	WebResponse->header( )	../OutputPage.php:2227
6	0.5740	6293296	header ( )	../WebResponse.php:37