( ! ) Warning: Search backend error during near_match search for '18.218.54.196' after 31. 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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.0952	3551440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2299	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2304	4432944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2364	4433312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4328	5794768	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4480	5801024	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4480	5801776	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4511	5816776	Hooks::run( )	../SearchEngine.php:231
12	0.4511	5818376	call_user_func_array ( )	../Hooks.php:209
13	0.4511	5819080	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4517	5893112	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4524	5939136	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4564	6174192	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4567	6205800	PoolCounterWork->execute( )	../Util.php:133
18	0.4568	6230056	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4568	6230240	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4568	6230312	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4569	6232248	PoolCounterWork->execute( )	../Util.php:129
22	0.4569	6232896	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4569	6233080	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4569	6233200	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4879	6347456	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4880	6351392	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4880	6351672	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4881	6352976	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4881	6353368	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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.4898	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.4900	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4901	6284432	WebResponse->header( )	../OutputPage.php:2134
7	0.4901	6284576	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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.4898	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.4900	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4908	6292464	WebResponse->header( )	../OutputPage.php:2171
7	0.4908	6292608	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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.4898	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.4900	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4914	6292408	WebResponse->header( )	../OutputPage.php:2172
7	0.4914	6292552	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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.4898	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.4920	6292408	WebResponse->header( )	../OutputPage.php:2220
6	0.4920	6292552	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	233960	{main}( )	../index.php:0
2	0.0318	3375896	MediaWiki->run( )	../index.php:46
3	0.0319	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.4898	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.4926	6292568	WebResponse->header( )	../OutputPage.php:2227
6	0.4926	6292712	header ( )	../WebResponse.php:37