( ! ) Warning: Search backend error during near_match search for '3.23.101.1' after 109. 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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.2371	3552080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.5394	4379568	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.5398	4433440	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.5398	4433808	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.5383	5795664	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.7034	5801848	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.7034	5802600	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.7567	5817600	Hooks::run( )	../SearchEngine.php:231
12	1.7567	5819200	call_user_func_array ( )	../Hooks.php:209
13	1.7567	5819904	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.7572	5893896	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.7579	5939936	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.8393	6174944	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.8778	6206552	PoolCounterWork->execute( )	../Util.php:133
18	1.8780	6230808	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.8780	6230992	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.8780	6231064	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.8781	6233000	PoolCounterWork->execute( )	../Util.php:129
22	1.8781	6233648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.8781	6233832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.8781	6233952	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.9875	6348216	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.9876	6352152	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.9876	6352432	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.9878	6353736	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.9878	6354128	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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.9896	6277440	OutputPage->output( )	../MediaWiki.php:583
5	2.0146	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	2.0147	6285192	WebResponse->header( )	../OutputPage.php:2134
7	2.0147	6285336	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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.9896	6277440	OutputPage->output( )	../MediaWiki.php:583
5	2.0146	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	2.0268	6293224	WebResponse->header( )	../OutputPage.php:2171
7	2.0268	6293368	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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.9896	6277440	OutputPage->output( )	../MediaWiki.php:583
5	2.0146	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	2.0273	6293168	WebResponse->header( )	../OutputPage.php:2172
7	2.0273	6293312	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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.9896	6277440	OutputPage->output( )	../MediaWiki.php:583
5	2.0278	6293168	WebResponse->header( )	../OutputPage.php:2220
6	2.0278	6293312	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	233896	{main}( )	../index.php:0
2	0.1253	3376392	MediaWiki->run( )	../index.php:46
3	0.1253	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.9896	6277440	OutputPage->output( )	../MediaWiki.php:583
5	2.0285	6293328	WebResponse->header( )	../OutputPage.php:2227
6	2.0285	6293472	header ( )	../WebResponse.php:37