( ! ) Warning: Search backend error during near_match search for '13.58.155.197' after 31. 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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1776	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2619	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2624	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2624	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4574	5794728	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4671	5800984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4671	5801736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4798	5816736	Hooks::run( )	../SearchEngine.php:231
12	0.4864	5818336	call_user_func_array ( )	../Hooks.php:209
13	0.4864	5819040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4869	5893072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4875	5939096	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4945	6174104	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4948	6205688	PoolCounterWork->execute( )	../Util.php:133
18	0.4950	6229944	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4950	6230128	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4950	6230200	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4953	6232136	PoolCounterWork->execute( )	../Util.php:129
22	0.4954	6232784	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4954	6232968	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4954	6233088	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5262	6347360	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5268	6351296	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5268	6351576	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5270	6352880	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5270	6353272	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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.5289	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.5292	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5293	6284336	WebResponse->header( )	../OutputPage.php:2134
7	0.5293	6284480	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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.5289	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.5292	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5303	6292368	WebResponse->header( )	../OutputPage.php:2171
7	0.5303	6292512	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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.5289	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.5292	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5309	6292312	WebResponse->header( )	../OutputPage.php:2172
7	0.5309	6292456	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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.5289	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.5314	6292312	WebResponse->header( )	../OutputPage.php:2220
6	0.5314	6292456	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	0.1280	3375880	MediaWiki->run( )	../index.php:46
3	0.1280	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.5289	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.5320	6292472	WebResponse->header( )	../OutputPage.php:2227
6	0.5320	6292616	header ( )	../WebResponse.php:37