( ! ) Warning: Search backend error during near_match search for '3.138.175.52' 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	233928	{main}( )	../index.php:0
2	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0330	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0760	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0765	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0765	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2260	5794632	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2314	5800888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2314	5801640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2351	5816640	Hooks::run( )	../SearchEngine.php:231
12	0.2352	5818240	call_user_func_array ( )	../Hooks.php:209
13	0.2352	5818944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2357	5892976	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2364	5939016	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2494	6174024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2497	6205608	PoolCounterWork->execute( )	../Util.php:133
18	0.2498	6229864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2498	6230048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2498	6230120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2498	6232056	PoolCounterWork->execute( )	../Util.php:129
22	0.2499	6232704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2499	6232888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2499	6233008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2804	6347272	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2805	6351208	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2805	6351488	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2806	6352792	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2806	6353184	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	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.2826	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.2829	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2830	6284248	WebResponse->header( )	../OutputPage.php:2134
7	0.2830	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	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.2826	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.2829	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2837	6292280	WebResponse->header( )	../OutputPage.php:2171
7	0.2837	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	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.2826	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.2829	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2841	6292224	WebResponse->header( )	../OutputPage.php:2172
7	0.2841	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	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.2826	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.2846	6292224	WebResponse->header( )	../OutputPage.php:2220
6	0.2846	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	0.0103	3375864	MediaWiki->run( )	../index.php:46
3	0.0103	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.2826	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.2853	6292384	WebResponse->header( )	../OutputPage.php:2227
6	0.2853	6292528	header ( )	../WebResponse.php:37