( ! ) Warning: Search backend error during near_match search for '3.138.101.4' after 15. 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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0210	3599312	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0463	4412856	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0470	4466840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0470	4467208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1573	5795216	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1857	5801496	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1857	5802248	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1880	5817248	Hooks::run( )	../SearchEngine.php:231
12	0.1880	5818848	call_user_func_array ( )	../Hooks.php:209
13	0.1880	5819552	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1885	5893584	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1891	5939608	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1913	6174664	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1915	6206248	PoolCounterWork->execute( )	../Util.php:133
18	0.1917	6230504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1917	6230688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1917	6230760	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1917	6232696	PoolCounterWork->execute( )	../Util.php:129
22	0.1917	6233344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1917	6233528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1917	6233648	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2062	6347896	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2064	6351832	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2064	6352112	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2065	6353416	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2065	6353808	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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2082	6277104	OutputPage->output( )	../MediaWiki.php:583
5	0.2088	6283560	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2089	6284856	WebResponse->header( )	../OutputPage.php:2134
7	0.2089	6285000	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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2082	6277104	OutputPage->output( )	../MediaWiki.php:583
5	0.2088	6283560	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2097	6292888	WebResponse->header( )	../OutputPage.php:2171
7	0.2097	6293032	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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2082	6277104	OutputPage->output( )	../MediaWiki.php:583
5	0.2088	6283560	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2102	6292832	WebResponse->header( )	../OutputPage.php:2172
7	0.2102	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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2082	6277104	OutputPage->output( )	../MediaWiki.php:583
5	0.2107	6292832	WebResponse->header( )	../OutputPage.php:2220
6	0.2107	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	0.0116	3374280	MediaWiki->run( )	../index.php:46
3	0.0117	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2082	6277104	OutputPage->output( )	../MediaWiki.php:583
5	0.2113	6292984	WebResponse->header( )	../OutputPage.php:2227
6	0.2113	6293128	header ( )	../WebResponse.php:37