( ! ) Warning: Search backend error during near_match search for '3.15.148.54' after 30. 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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0280	3599312	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0649	4412856	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0677	4466816	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0677	4467184	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1689	5795136	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1927	5801416	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1927	5802168	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2032	5817168	Hooks::run( )	../SearchEngine.php:231
12	0.2033	5818768	call_user_func_array ( )	../Hooks.php:209
13	0.2033	5819472	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2036	5893504	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2116	5939528	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2144	6174584	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2147	6206168	PoolCounterWork->execute( )	../Util.php:133
18	0.2148	6230448	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2148	6230632	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2148	6230704	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2148	6232640	PoolCounterWork->execute( )	../Util.php:129
22	0.2149	6233288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2149	6233472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2149	6233592	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2452	6347856	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2453	6351792	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2453	6352072	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2455	6353376	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2455	6353768	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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2478	6277048	OutputPage->output( )	../MediaWiki.php:583
5	0.2480	6283504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2481	6284800	WebResponse->header( )	../OutputPage.php:2134
7	0.2481	6284944	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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2478	6277048	OutputPage->output( )	../MediaWiki.php:583
5	0.2480	6283504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2487	6292832	WebResponse->header( )	../OutputPage.php:2171
7	0.2487	6292976	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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2478	6277048	OutputPage->output( )	../MediaWiki.php:583
5	0.2480	6283504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2493	6292776	WebResponse->header( )	../OutputPage.php:2172
7	0.2493	6292920	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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2478	6277048	OutputPage->output( )	../MediaWiki.php:583
5	0.2497	6292776	WebResponse->header( )	../OutputPage.php:2220
6	0.2497	6292920	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	232168	{main}( )	../index.php:0
2	0.0182	3374280	MediaWiki->run( )	../index.php:46
3	0.0182	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2478	6277048	OutputPage->output( )	../MediaWiki.php:583
5	0.2504	6292928	WebResponse->header( )	../OutputPage.php:2227
6	0.2504	6293072	header ( )	../WebResponse.php:37