( ! ) Warning: Search backend error during near_match search for '216.73.216.168' after 21. 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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.1462	3957808	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2612	4412640	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2616	4466648	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2616	4467016	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3834	5811312	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4102	5817424	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4102	5818176	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4249	5833168	Hooks::run( )	../SearchEngine.php:231
12	0.4250	5834768	call_user_func_array ( )	../Hooks.php:209
13	0.4250	5835472	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4267	5909536	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4357	5955560	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4482	6190608	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4540	6222192	PoolCounterWork->execute( )	../Util.php:133
18	0.4541	6246448	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4541	6246632	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4541	6246704	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4561	6248640	PoolCounterWork->execute( )	../Util.php:129
22	0.4561	6249288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4561	6249472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4561	6249592	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4773	6363840	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4775	6367776	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4775	6368056	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4776	6369360	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4776	6369752	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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.4828	6293040	OutputPage->output( )	../MediaWiki.php:583
5	0.4831	6299496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4832	6300792	WebResponse->header( )	../OutputPage.php:2134
7	0.4832	6300936	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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.4828	6293040	OutputPage->output( )	../MediaWiki.php:583
5	0.4831	6299496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4838	6308824	WebResponse->header( )	../OutputPage.php:2171
7	0.4838	6308968	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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.4828	6293040	OutputPage->output( )	../MediaWiki.php:583
5	0.4831	6299496	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4843	6308768	WebResponse->header( )	../OutputPage.php:2172
7	0.4843	6308912	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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.4828	6293040	OutputPage->output( )	../MediaWiki.php:583
5	0.4848	6308768	WebResponse->header( )	../OutputPage.php:2220
6	0.4848	6308912	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	236384	{main}( )	../index.php:0
2	0.0401	3782328	MediaWiki->run( )	../index.php:46
3	0.0401	3783736	MediaWiki->main( )	../MediaWiki.php:424
4	0.4828	6293040	OutputPage->output( )	../MediaWiki.php:583
5	0.4908	6308928	WebResponse->header( )	../OutputPage.php:2227
6	0.4908	6309072	header ( )	../WebResponse.php:37