( ! ) Warning: Search backend error during near_match search for '52.15.135.175' after 2. 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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1245	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2346	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2350	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2351	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3673	5795952	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3810	5802184	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3810	5802936	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3953	5817936	Hooks::run( )	../SearchEngine.php:231
12	0.3953	5819536	call_user_func_array ( )	../Hooks.php:209
13	0.3953	5820240	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3956	5894288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3959	5940312	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4150	6175416	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4151	6207008	PoolCounterWork->execute( )	../Util.php:133
18	0.4152	6231264	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4152	6231448	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4153	6231520	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4153	6233456	PoolCounterWork->execute( )	../Util.php:129
22	0.4153	6234104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4153	6234288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4153	6234408	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4175	6348664	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4176	6352600	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4177	6352880	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4178	6354184	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4178	6354576	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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4196	6277848	OutputPage->output( )	../MediaWiki.php:583
5	0.4198	6284304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4199	6285600	WebResponse->header( )	../OutputPage.php:2134
7	0.4199	6285744	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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4196	6277848	OutputPage->output( )	../MediaWiki.php:583
5	0.4198	6284304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4206	6293648	WebResponse->header( )	../OutputPage.php:2171
7	0.4206	6293792	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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4196	6277848	OutputPage->output( )	../MediaWiki.php:583
5	0.4198	6284304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4210	6293592	WebResponse->header( )	../OutputPage.php:2172
7	0.4210	6293736	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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4196	6277848	OutputPage->output( )	../MediaWiki.php:583
5	0.4215	6293592	WebResponse->header( )	../OutputPage.php:2220
6	0.4215	6293736	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	0.0537	3376416	MediaWiki->run( )	../index.php:46
3	0.0585	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4196	6277848	OutputPage->output( )	../MediaWiki.php:583
5	0.4538	6293752	WebResponse->header( )	../OutputPage.php:2227
6	0.4538	6293896	header ( )	../WebResponse.php:37