( ! ) Warning: Search backend error during near_match search for '3.142.166.31' after 10. 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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0169	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0315	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0319	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0319	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2133	5795872	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2603	5802128	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2603	5802880	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2644	5817880	Hooks::run( )	../SearchEngine.php:231
12	0.2644	5819480	call_user_func_array ( )	../Hooks.php:209
13	0.2644	5820184	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2649	5894224	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2656	5940264	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2885	6175368	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2888	6206968	PoolCounterWork->execute( )	../Util.php:133
18	0.2889	6231224	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2889	6231408	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2889	6231480	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2906	6233416	PoolCounterWork->execute( )	../Util.php:129
22	0.2907	6234064	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2907	6234248	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2907	6234368	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3011	6348600	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3012	6352536	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3012	6352816	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3013	6354120	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3013	6354512	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3031	6277800	OutputPage->output( )	../MediaWiki.php:583
5	0.3033	6284256	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3034	6285552	WebResponse->header( )	../OutputPage.php:2134
7	0.3034	6285696	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3031	6277800	OutputPage->output( )	../MediaWiki.php:583
5	0.3033	6284256	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3040	6293584	WebResponse->header( )	../OutputPage.php:2171
7	0.3040	6293728	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3031	6277800	OutputPage->output( )	../MediaWiki.php:583
5	0.3033	6284256	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3203	6293528	WebResponse->header( )	../OutputPage.php:2172
7	0.3203	6293672	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3031	6277800	OutputPage->output( )	../MediaWiki.php:583
5	0.3210	6293528	WebResponse->header( )	../OutputPage.php:2220
6	0.3210	6293672	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	0.0090	3376416	MediaWiki->run( )	../index.php:46
3	0.0091	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3031	6277800	OutputPage->output( )	../MediaWiki.php:583
5	0.3216	6293688	WebResponse->header( )	../OutputPage.php:2227
6	0.3216	6293832	header ( )	../WebResponse.php:37