( ! ) Warning: Search backend error during near_match search for '18.221.251.30' after 6. 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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0403	3551832	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0679	4379520	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0686	4433448	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0686	4433816	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1250	5795432	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1306	5801440	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1306	5802192	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1330	5817192	Hooks::run( )	../SearchEngine.php:231
12	0.1331	5818792	call_user_func_array ( )	../Hooks.php:209
13	0.1331	5819496	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1336	5893544	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1344	5939568	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1378	6174664	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1381	6206248	PoolCounterWork->execute( )	../Util.php:133
18	0.1392	6230504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1392	6230688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1392	6230760	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1392	6232696	PoolCounterWork->execute( )	../Util.php:129
22	0.1392	6233344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1392	6233528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1392	6233648	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1457	6347936	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1458	6351872	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1458	6352152	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1459	6353456	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1460	6353848	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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1479	6277128	OutputPage->output( )	../MediaWiki.php:583
5	0.1481	6283584	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1482	6284880	WebResponse->header( )	../OutputPage.php:2134
7	0.1482	6285024	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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1479	6277128	OutputPage->output( )	../MediaWiki.php:583
5	0.1481	6283584	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1488	6292912	WebResponse->header( )	../OutputPage.php:2171
7	0.1488	6293056	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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1479	6277128	OutputPage->output( )	../MediaWiki.php:583
5	0.1481	6283584	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1493	6292856	WebResponse->header( )	../OutputPage.php:2172
7	0.1493	6293000	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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1479	6277128	OutputPage->output( )	../MediaWiki.php:583
5	0.1498	6292856	WebResponse->header( )	../OutputPage.php:2220
6	0.1498	6293000	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	0.0182	3376120	MediaWiki->run( )	../index.php:46
3	0.0183	3377528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1479	6277128	OutputPage->output( )	../MediaWiki.php:583
5	0.1504	6293016	WebResponse->header( )	../OutputPage.php:2227
6	0.1504	6293160	header ( )	../WebResponse.php:37