( ! ) Warning: Search backend error during near_match search for '18.191.166.168' after 18. 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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0334	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0902	4387072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0907	4440960	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0907	4441328	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2394	5803408	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2444	5809640	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2444	5810392	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2485	5825384	Hooks::run( )	../SearchEngine.php:231
12	0.2490	5826984	call_user_func_array ( )	../Hooks.php:209
13	0.2490	5827688	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2495	5901720	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2503	5947768	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2594	6182856	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2597	6215624	PoolCounterWork->execute( )	../Util.php:133
18	0.2598	6240064	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2598	6240248	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2599	6240320	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2599	6242288	PoolCounterWork->execute( )	../Util.php:129
22	0.2599	6242936	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2599	6243120	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2599	6243240	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2781	6357520	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2782	6361456	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2782	6361736	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2784	6363040	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2784	6363432	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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2806	6286688	OutputPage->output( )	../MediaWiki.php:583
5	0.2808	6293144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2808	6294440	WebResponse->header( )	../OutputPage.php:2134
7	0.2808	6294584	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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2806	6286688	OutputPage->output( )	../MediaWiki.php:583
5	0.2808	6293144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2815	6302472	WebResponse->header( )	../OutputPage.php:2171
7	0.2815	6302616	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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2806	6286688	OutputPage->output( )	../MediaWiki.php:583
5	0.2808	6293144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2820	6302416	WebResponse->header( )	../OutputPage.php:2172
7	0.2820	6302560	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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2806	6286688	OutputPage->output( )	../MediaWiki.php:583
5	0.2824	6302416	WebResponse->header( )	../OutputPage.php:2220
6	0.2824	6302560	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	0.0083	3383968	MediaWiki->run( )	../index.php:46
3	0.0083	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2806	6286688	OutputPage->output( )	../MediaWiki.php:583
5	0.2830	6302576	WebResponse->header( )	../OutputPage.php:2227
6	0.2830	6302720	header ( )	../WebResponse.php:37