( ! ) Warning: Search backend error during near_match search for '3.22.171.136' 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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0258	3957184	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0376	4412072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0380	4466032	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0380	4466400	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0784	5810384	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0836	5816600	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0836	5817352	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0859	5832352	Hooks::run( )	../SearchEngine.php:231
12	0.0859	5833952	call_user_func_array ( )	../Hooks.php:209
13	0.0859	5834656	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0863	5908712	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0869	5954736	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0893	6189760	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0894	6222528	PoolCounterWork->execute( )	../Util.php:133
18	0.0896	6246944	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0896	6247128	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0896	6247200	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0896	6249168	PoolCounterWork->execute( )	../Util.php:129
22	0.0896	6249816	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0896	6250000	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0896	6250120	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0956	6364392	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0957	6368328	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0957	6368608	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0958	6369912	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0958	6370304	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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0974	6293552	OutputPage->output( )	../MediaWiki.php:583
5	0.0976	6300008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0977	6301304	WebResponse->header( )	../OutputPage.php:2134
7	0.0977	6301448	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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0974	6293552	OutputPage->output( )	../MediaWiki.php:583
5	0.0976	6300008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0984	6309336	WebResponse->header( )	../OutputPage.php:2171
7	0.0984	6309480	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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0974	6293552	OutputPage->output( )	../MediaWiki.php:583
5	0.0976	6300008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0989	6309280	WebResponse->header( )	../OutputPage.php:2172
7	0.0989	6309424	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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0974	6293552	OutputPage->output( )	../MediaWiki.php:583
5	0.0994	6309280	WebResponse->header( )	../OutputPage.php:2220
6	0.0994	6309424	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	0.0001	235840	{main}( )	../index.php:0
2	0.0176	3781680	MediaWiki->run( )	../index.php:46
3	0.0176	3783088	MediaWiki->main( )	../MediaWiki.php:424
4	0.0974	6293552	OutputPage->output( )	../MediaWiki.php:583
5	0.0999	6309440	WebResponse->header( )	../OutputPage.php:2227
6	0.0999	6309584	header ( )	../WebResponse.php:37