( ! ) Warning: Search backend error during near_match search for '18.191.112.81' after 7. 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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0273	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0725	4387072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0731	4440984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0731	4441352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2028	5803472	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2177	5809704	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2177	5810456	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2255	5825456	Hooks::run( )	../SearchEngine.php:231
12	0.2256	5827056	call_user_func_array ( )	../Hooks.php:209
13	0.2256	5827760	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2262	5901784	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2270	5947808	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2413	6182896	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2416	6215664	PoolCounterWork->execute( )	../Util.php:133
18	0.2417	6240104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2417	6240288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2417	6240360	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2417	6242328	PoolCounterWork->execute( )	../Util.php:129
22	0.2417	6242976	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2417	6243160	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2417	6243280	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2487	6357584	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2489	6361520	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2489	6361800	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2490	6363104	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2490	6363496	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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2540	6286752	OutputPage->output( )	../MediaWiki.php:583
5	0.2542	6293208	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2543	6294504	WebResponse->header( )	../OutputPage.php:2134
7	0.2543	6294648	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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2540	6286752	OutputPage->output( )	../MediaWiki.php:583
5	0.2542	6293208	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2549	6302536	WebResponse->header( )	../OutputPage.php:2171
7	0.2549	6302680	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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2540	6286752	OutputPage->output( )	../MediaWiki.php:583
5	0.2542	6293208	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2554	6302480	WebResponse->header( )	../OutputPage.php:2172
7	0.2554	6302624	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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2540	6286752	OutputPage->output( )	../MediaWiki.php:583
5	0.2559	6302480	WebResponse->header( )	../OutputPage.php:2220
6	0.2559	6302624	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	0.0093	3383968	MediaWiki->run( )	../index.php:46
3	0.0094	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.2540	6286752	OutputPage->output( )	../MediaWiki.php:583
5	0.2725	6302640	WebResponse->header( )	../OutputPage.php:2227
6	0.2726	6302784	header ( )	../WebResponse.php:37