( ! ) Warning: Search backend error during near_match search for '3.128.198.21' after 6. 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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0226	3957616	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0343	4412352	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0347	4466336	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0347	4466704	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0746	5810928	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0797	5817144	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0797	5817896	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0819	5832896	Hooks::run( )	../SearchEngine.php:231
12	0.0819	5834496	call_user_func_array ( )	../Hooks.php:209
13	0.0819	5835200	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0824	5909272	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0831	5955296	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0859	6190328	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0861	6223096	PoolCounterWork->execute( )	../Util.php:133
18	0.0863	6247512	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0863	6247696	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0863	6247768	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0863	6249736	PoolCounterWork->execute( )	../Util.php:129
22	0.0863	6250384	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0863	6250568	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0863	6250688	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0926	6364952	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0927	6368888	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0927	6369168	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0928	6370472	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0928	6370864	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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0945	6294120	OutputPage->output( )	../MediaWiki.php:583
5	0.0948	6300576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0948	6301872	WebResponse->header( )	../OutputPage.php:2134
7	0.0948	6302016	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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0945	6294120	OutputPage->output( )	../MediaWiki.php:583
5	0.0948	6300576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0955	6309904	WebResponse->header( )	../OutputPage.php:2171
7	0.0955	6310048	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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0945	6294120	OutputPage->output( )	../MediaWiki.php:583
5	0.0948	6300576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0960	6309848	WebResponse->header( )	../OutputPage.php:2172
7	0.0960	6309992	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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0945	6294120	OutputPage->output( )	../MediaWiki.php:583
5	0.0964	6309848	WebResponse->header( )	../OutputPage.php:2220
6	0.0964	6309992	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	235872	{main}( )	../index.php:0
2	0.0153	3782176	MediaWiki->run( )	../index.php:46
3	0.0153	3783584	MediaWiki->main( )	../MediaWiki.php:424
4	0.0945	6294120	OutputPage->output( )	../MediaWiki.php:583
5	0.0970	6310008	WebResponse->header( )	../OutputPage.php:2227
6	0.0970	6310152	header ( )	../WebResponse.php:37