( ! ) Warning: Search backend error during near_match search for '52.15.177.199' 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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0493	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0642	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0645	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0646	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1442	5794744	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1493	5801000	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1493	5801752	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1515	5816752	Hooks::run( )	../SearchEngine.php:231
12	0.1515	5818352	call_user_func_array ( )	../Hooks.php:209
13	0.1515	5819056	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1519	5893088	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1527	5939120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1559	6174128	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1562	6205736	PoolCounterWork->execute( )	../Util.php:133
18	0.1564	6229992	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1564	6230176	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1564	6230248	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1564	6232184	PoolCounterWork->execute( )	../Util.php:129
22	0.1564	6232832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1564	6233016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1564	6233136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1585	6347408	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1587	6351344	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1587	6351624	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1588	6352928	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1588	6353320	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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1604	6276632	OutputPage->output( )	../MediaWiki.php:583
5	0.1607	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1607	6284384	WebResponse->header( )	../OutputPage.php:2134
7	0.1607	6284528	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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1604	6276632	OutputPage->output( )	../MediaWiki.php:583
5	0.1607	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1615	6292416	WebResponse->header( )	../OutputPage.php:2171
7	0.1615	6292560	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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1604	6276632	OutputPage->output( )	../MediaWiki.php:583
5	0.1607	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1619	6292360	WebResponse->header( )	../OutputPage.php:2172
7	0.1619	6292504	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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1604	6276632	OutputPage->output( )	../MediaWiki.php:583
5	0.1624	6292360	WebResponse->header( )	../OutputPage.php:2220
6	0.1624	6292504	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	0.0129	3375880	MediaWiki->run( )	../index.php:46
3	0.0130	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1604	6276632	OutputPage->output( )	../MediaWiki.php:583
5	0.1630	6292520	WebResponse->header( )	../OutputPage.php:2227
6	0.1630	6292664	header ( )	../WebResponse.php:37