( ! ) Warning: Search backend error during near_match search for '18.220.111.87' after 84. 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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.2711	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3861	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3865	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3866	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.8483	5796016	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.9050	5802248	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.9050	5803000	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.9558	5818000	Hooks::run( )	../SearchEngine.php:231
12	0.9558	5819600	call_user_func_array ( )	../Hooks.php:209
13	0.9558	5820304	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9562	5894336	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.9566	5940384	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.9584	6175440	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.9586	6207040	PoolCounterWork->execute( )	../Util.php:133
18	0.9587	6231296	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.9587	6231480	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.9587	6231552	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.9587	6233488	PoolCounterWork->execute( )	../Util.php:129
22	0.9587	6234136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.9588	6234320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.9588	6234440	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0425	6348712	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0426	6352648	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0426	6352928	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0428	6354232	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0428	6354624	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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0448	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1312	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1313	6285680	WebResponse->header( )	../OutputPage.php:2134
7	1.1313	6285824	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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0448	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1312	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1320	6293728	WebResponse->header( )	../OutputPage.php:2171
7	1.1320	6293872	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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0448	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1312	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1326	6293672	WebResponse->header( )	../OutputPage.php:2172
7	1.1326	6293816	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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0448	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1848	6293672	WebResponse->header( )	../OutputPage.php:2220
6	1.1848	6293816	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	0.1946	3376416	MediaWiki->run( )	../index.php:46
3	0.1946	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0448	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.2042	6293832	WebResponse->header( )	../OutputPage.php:2227
6	1.2043	6293976	header ( )	../WebResponse.php:37