( ! ) Warning: Search backend error during near_match search for '18.227.10.45' after 5. 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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0882	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2087	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2093	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2093	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4898	5794624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.5025	5800880	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.5025	5801632	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.5061	5816632	Hooks::run( )	../SearchEngine.php:231
12	0.5062	5818232	call_user_func_array ( )	../Hooks.php:209
13	0.5062	5818936	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.5064	5892968	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.5080	5938992	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5122	6174048	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5124	6205656	PoolCounterWork->execute( )	../Util.php:133
18	0.5125	6229912	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5125	6230096	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5125	6230168	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5125	6232104	PoolCounterWork->execute( )	../Util.php:129
22	0.5126	6232752	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5126	6232936	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5126	6233056	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5177	6347320	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5178	6351256	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5178	6351536	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5180	6352840	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5180	6353232	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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.5244	6276528	OutputPage->output( )	../MediaWiki.php:583
5	0.5246	6282984	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5247	6284280	WebResponse->header( )	../OutputPage.php:2134
7	0.5247	6284424	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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.5244	6276528	OutputPage->output( )	../MediaWiki.php:583
5	0.5246	6282984	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5276	6292312	WebResponse->header( )	../OutputPage.php:2171
7	0.5276	6292456	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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.5244	6276528	OutputPage->output( )	../MediaWiki.php:583
5	0.5246	6282984	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5281	6292256	WebResponse->header( )	../OutputPage.php:2172
7	0.5281	6292400	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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.5244	6276528	OutputPage->output( )	../MediaWiki.php:583
5	0.5397	6292256	WebResponse->header( )	../OutputPage.php:2220
6	0.5397	6292400	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	233928	{main}( )	../index.php:0
2	0.0275	3375864	MediaWiki->run( )	../index.php:46
3	0.0275	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.5244	6276528	OutputPage->output( )	../MediaWiki.php:583
5	0.5404	6292416	WebResponse->header( )	../OutputPage.php:2227
6	0.5404	6292560	header ( )	../WebResponse.php:37