( ! ) Warning: Search backend error during near_match search for '3.138.116.71' after 1. 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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3706	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.7980	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.7983	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.7984	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.5247	5794632	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.6526	5800888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.6526	5801640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.6763	5816640	Hooks::run( )	../SearchEngine.php:231
12	1.6763	5818240	call_user_func_array ( )	../Hooks.php:209
13	1.6763	5818944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.6768	5892976	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.6930	5939016	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.7056	6174024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.7057	6205608	PoolCounterWork->execute( )	../Util.php:133
18	1.7058	6229864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.7058	6230048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.7058	6230120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.7058	6232056	PoolCounterWork->execute( )	../Util.php:129
22	1.7058	6232704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.7058	6232888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.7058	6233008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.7073	6347288	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.7074	6351224	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.7074	6351504	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.7075	6352808	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.7075	6353200	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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.7091	6276496	OutputPage->output( )	../MediaWiki.php:583
5	1.7093	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.7655	6284248	WebResponse->header( )	../OutputPage.php:2134
7	1.7655	6284392	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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.7091	6276496	OutputPage->output( )	../MediaWiki.php:583
5	1.7093	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.7664	6292280	WebResponse->header( )	../OutputPage.php:2171
7	1.7664	6292424	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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.7091	6276496	OutputPage->output( )	../MediaWiki.php:583
5	1.7093	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.7669	6292224	WebResponse->header( )	../OutputPage.php:2172
7	1.7669	6292368	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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.7091	6276496	OutputPage->output( )	../MediaWiki.php:583
5	1.8152	6292224	WebResponse->header( )	../OutputPage.php:2220
6	1.8152	6292368	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	0.0327	3375864	MediaWiki->run( )	../index.php:46
3	0.0327	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.7091	6276496	OutputPage->output( )	../MediaWiki.php:583
5	1.8342	6292384	WebResponse->header( )	../OutputPage.php:2227
6	1.8343	6292528	header ( )	../WebResponse.php:37