( ! ) Warning: Search backend error during near_match search for '18.218.8.237' after 15. 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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.0321	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0802	4387024	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0807	4440904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0807	4441272	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1789	5803576	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1933	5809808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1933	5810560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1978	5825560	Hooks::run( )	../SearchEngine.php:231
12	0.1978	5827160	call_user_func_array ( )	../Hooks.php:209
13	0.1978	5827864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1984	5901888	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1991	5947920	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2057	6183008	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2059	6215776	PoolCounterWork->execute( )	../Util.php:133
18	0.2061	6240216	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2061	6240400	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2061	6240472	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2061	6242440	PoolCounterWork->execute( )	../Util.php:129
22	0.2061	6243088	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2061	6243272	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2062	6243392	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2208	6357696	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2210	6361632	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2210	6361912	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2211	6363216	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2211	6363608	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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.2232	6286864	OutputPage->output( )	../MediaWiki.php:583
5	0.2235	6293320	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2236	6294616	WebResponse->header( )	../OutputPage.php:2134
7	0.2236	6294760	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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.2232	6286864	OutputPage->output( )	../MediaWiki.php:583
5	0.2235	6293320	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2244	6302648	WebResponse->header( )	../OutputPage.php:2171
7	0.2244	6302792	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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.2232	6286864	OutputPage->output( )	../MediaWiki.php:583
5	0.2235	6293320	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2249	6302592	WebResponse->header( )	../OutputPage.php:2172
7	0.2249	6302736	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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.2232	6286864	OutputPage->output( )	../MediaWiki.php:583
5	0.2254	6302592	WebResponse->header( )	../OutputPage.php:2220
6	0.2254	6302736	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	238760	{main}( )	../index.php:0
2	0.0157	3383960	MediaWiki->run( )	../index.php:46
3	0.0158	3385368	MediaWiki->main( )	../MediaWiki.php:424
4	0.2232	6286864	OutputPage->output( )	../MediaWiki.php:583
5	0.2260	6302752	WebResponse->header( )	../OutputPage.php:2227
6	0.2260	6302896	header ( )	../WebResponse.php:37