( ! ) Warning: Search backend error during near_match search for '18.188.4.83' after 47. 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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1613	3551304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2927	4378848	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2931	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2932	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.6841	5795056	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.7431	5801312	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.7431	5802064	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.7728	5817064	Hooks::run( )	../SearchEngine.php:231
12	0.7728	5818664	call_user_func_array ( )	../Hooks.php:209
13	0.7729	5819368	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.7733	5893392	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.7743	5939424	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.8236	6174480	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.8239	6206088	PoolCounterWork->execute( )	../Util.php:133
18	0.8240	6230344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.8240	6230528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.8240	6230600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.8352	6232536	PoolCounterWork->execute( )	../Util.php:129
22	0.8352	6233184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.8352	6233368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.8352	6233488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.8821	6347736	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.8823	6351672	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.8823	6351952	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.8824	6353256	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.8824	6353648	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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.8857	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.8893	6283416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8894	6284712	WebResponse->header( )	../OutputPage.php:2134
7	0.8894	6284856	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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.8857	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.8893	6283416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8900	6292744	WebResponse->header( )	../OutputPage.php:2171
7	0.8900	6292888	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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.8857	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.8893	6283416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.9007	6292688	WebResponse->header( )	../OutputPage.php:2172
7	0.9007	6292832	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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.8857	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.9145	6292688	WebResponse->header( )	../OutputPage.php:2220
6	0.9145	6292832	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	233896	{main}( )	../index.php:0
2	0.0476	3375832	MediaWiki->run( )	../index.php:46
3	0.0477	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.8857	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.9152	6292840	WebResponse->header( )	../OutputPage.php:2227
6	0.9152	6292984	header ( )	../WebResponse.php:37