( ! ) Warning: Search backend error during near_match search for '3.15.237.53' after 16. 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	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1473	3551360	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3344	4378888	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3349	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3349	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.7207	5795232	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.8103	5801488	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.8103	5802240	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.8227	5817240	Hooks::run( )	../SearchEngine.php:231
12	0.8228	5818840	call_user_func_array ( )	../Hooks.php:209
13	0.8228	5819544	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.8234	5893576	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.8242	5939608	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.8394	6174664	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.8397	6206248	PoolCounterWork->execute( )	../Util.php:133
18	0.8398	6230504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.8398	6230688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.8398	6230760	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.8399	6232696	PoolCounterWork->execute( )	../Util.php:129
22	0.8399	6233344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.8399	6233528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.8399	6233648	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.8561	6347896	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.8562	6351832	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.8562	6352112	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.8563	6353416	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.8563	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	233896	{main}( )	../index.php:0
2	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8582	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.8584	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8585	6284872	WebResponse->header( )	../OutputPage.php:2134
7	0.8585	6285016	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	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8582	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.8584	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8593	6292904	WebResponse->header( )	../OutputPage.php:2171
7	0.8593	6293048	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	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8582	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.8584	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8614	6292848	WebResponse->header( )	../OutputPage.php:2172
7	0.8614	6292992	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	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8582	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.8620	6292848	WebResponse->header( )	../OutputPage.php:2220
6	0.8620	6292992	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	0.0776	3375864	MediaWiki->run( )	../index.php:46
3	0.0776	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8582	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.8625	6293000	WebResponse->header( )	../OutputPage.php:2227
6	0.8625	6293144	header ( )	../WebResponse.php:37