( ! ) Warning: Search backend error during near_match search for '3.18.213.37' after 16. 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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.0339	3560736	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0484	4388144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0489	4442064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0489	4442432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1238	5804952	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1307	5810896	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1307	5811648	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1344	5826648	Hooks::run( )	../SearchEngine.php:231
12	0.1345	5828248	call_user_func_array ( )	../Hooks.php:209
13	0.1345	5828952	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1351	5902984	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1372	5949032	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1455	6184056	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1458	6216824	PoolCounterWork->execute( )	../Util.php:133
18	0.1461	6241240	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1461	6241424	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1461	6241496	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1462	6243464	PoolCounterWork->execute( )	../Util.php:129
22	0.1462	6244112	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1462	6244296	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1462	6244416	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1621	6358688	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1623	6362624	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1623	6362904	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1624	6364208	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1624	6364600	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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.1643	6287848	OutputPage->output( )	../MediaWiki.php:583
5	0.1645	6294296	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1646	6295592	WebResponse->header( )	../OutputPage.php:2134
7	0.1646	6295736	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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.1643	6287848	OutputPage->output( )	../MediaWiki.php:583
5	0.1645	6294296	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1653	6303624	WebResponse->header( )	../OutputPage.php:2171
7	0.1653	6303768	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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.1643	6287848	OutputPage->output( )	../MediaWiki.php:583
5	0.1645	6294296	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1658	6303568	WebResponse->header( )	../OutputPage.php:2172
7	0.1658	6303712	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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.1643	6287848	OutputPage->output( )	../MediaWiki.php:583
5	0.1664	6303568	WebResponse->header( )	../OutputPage.php:2220
6	0.1664	6303712	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	239824	{main}( )	../index.php:0
2	0.0146	3385192	MediaWiki->run( )	../index.php:46
3	0.0147	3386600	MediaWiki->main( )	../MediaWiki.php:424
4	0.1643	6287848	OutputPage->output( )	../MediaWiki.php:583
5	0.1670	6303728	WebResponse->header( )	../OutputPage.php:2227
6	0.1670	6303872	header ( )	../WebResponse.php:37