( ! ) Warning: Search backend error during near_match search for '18.222.106.153' after 2. 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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0314	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0613	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0617	4433344	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0617	4433712	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1676	5796160	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1736	5802392	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1736	5803144	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1775	5818136	Hooks::run( )	../SearchEngine.php:231
12	0.1776	5819736	call_user_func_array ( )	../Hooks.php:209
13	0.1776	5820440	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1780	5894488	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1787	5940528	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1903	6175624	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1906	6207208	PoolCounterWork->execute( )	../Util.php:133
18	0.1907	6231464	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1907	6231648	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1907	6231720	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1908	6233656	PoolCounterWork->execute( )	../Util.php:129
22	0.1908	6234304	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1908	6234488	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1908	6234608	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1931	6348872	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1932	6352808	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1932	6353088	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1934	6354392	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1934	6354784	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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1952	6278056	OutputPage->output( )	../MediaWiki.php:583
5	0.2005	6284512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2020	6285808	WebResponse->header( )	../OutputPage.php:2134
7	0.2020	6285952	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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1952	6278056	OutputPage->output( )	../MediaWiki.php:583
5	0.2005	6284512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2027	6293856	WebResponse->header( )	../OutputPage.php:2171
7	0.2027	6294000	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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1952	6278056	OutputPage->output( )	../MediaWiki.php:583
5	0.2005	6284512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2031	6293800	WebResponse->header( )	../OutputPage.php:2172
7	0.2031	6293944	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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1952	6278056	OutputPage->output( )	../MediaWiki.php:583
5	0.2045	6293800	WebResponse->header( )	../OutputPage.php:2220
6	0.2045	6293944	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	0.0149	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1952	6278056	OutputPage->output( )	../MediaWiki.php:583
5	0.2051	6293960	WebResponse->header( )	../OutputPage.php:2227
6	0.2051	6294104	header ( )	../WebResponse.php:37