( ! ) Warning: Search backend error during near_match search for '216.73.216.0' after 13. 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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.0818	3957128	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1520	4411960	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1525	4465888	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1525	4466256	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4076	5809544	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4551	5815800	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4552	5816552	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4820	5831552	Hooks::run( )	../SearchEngine.php:231
12	0.4821	5833152	call_user_func_array ( )	../Hooks.php:209
13	0.4821	5833856	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4825	5907920	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4833	5953944	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5166	6189008	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5168	6220592	PoolCounterWork->execute( )	../Util.php:133
18	0.5169	6244848	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5169	6245032	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5169	6245104	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5169	6247040	PoolCounterWork->execute( )	../Util.php:129
22	0.5169	6247688	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5169	6247872	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5169	6247992	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5297	6362264	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5298	6366200	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5298	6366480	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5299	6367784	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5299	6368176	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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.5318	6291456	OutputPage->output( )	../MediaWiki.php:583
5	0.5320	6297912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5321	6299208	WebResponse->header( )	../OutputPage.php:2134
7	0.5321	6299352	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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.5318	6291456	OutputPage->output( )	../MediaWiki.php:583
5	0.5320	6297912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5662	6307240	WebResponse->header( )	../OutputPage.php:2171
7	0.5662	6307384	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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.5318	6291456	OutputPage->output( )	../MediaWiki.php:583
5	0.5320	6297912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5667	6307184	WebResponse->header( )	../OutputPage.php:2172
7	0.5667	6307328	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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.5318	6291456	OutputPage->output( )	../MediaWiki.php:583
5	0.5672	6307184	WebResponse->header( )	../OutputPage.php:2220
6	0.5672	6307328	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	235840	{main}( )	../index.php:0
2	0.0287	3781648	MediaWiki->run( )	../index.php:46
3	0.0287	3783056	MediaWiki->main( )	../MediaWiki.php:424
4	0.5318	6291456	OutputPage->output( )	../MediaWiki.php:583
5	0.5678	6307344	WebResponse->header( )	../OutputPage.php:2227
6	0.5678	6307488	header ( )	../WebResponse.php:37