( ! ) Warning: Search backend error during near_match search for '18.218.39.173' after 134. 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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1874	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3915	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4128	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4128	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.4796	5794744	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.6643	5801000	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.6643	5801752	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.6900	5816752	Hooks::run( )	../SearchEngine.php:231
12	1.6901	5818352	call_user_func_array ( )	../Hooks.php:209
13	1.6901	5819056	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.7141	5893088	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.7304	5939120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.8136	6174128	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.8139	6205736	PoolCounterWork->execute( )	../Util.php:133
18	1.8140	6229992	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.8140	6230176	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.8140	6230248	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.8140	6232184	PoolCounterWork->execute( )	../Util.php:129
22	1.8140	6232832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.8140	6233016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.8140	6233136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.9484	6347408	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.9485	6351344	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.9485	6351624	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.9486	6352928	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.9486	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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.9503	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.9506	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.9508	6284384	WebResponse->header( )	../OutputPage.php:2134
7	1.9508	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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.9503	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.9506	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.9515	6292416	WebResponse->header( )	../OutputPage.php:2171
7	1.9515	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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.9503	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.9506	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.9520	6292360	WebResponse->header( )	../OutputPage.php:2172
7	1.9520	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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.9503	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.9524	6292360	WebResponse->header( )	../OutputPage.php:2220
6	1.9524	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	0.0187	3375880	MediaWiki->run( )	../index.php:46
3	0.0188	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.9503	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.9530	6292520	WebResponse->header( )	../OutputPage.php:2227
6	1.9530	6292664	header ( )	../WebResponse.php:37