( ! ) Warning: Search backend error during near_match search for '3.144.4.81' after 28. 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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0540	3551320	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1306	4378744	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1311	4432616	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1311	4432984	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2525	5795000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2897	5801232	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2897	5801984	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3223	5816984	Hooks::run( )	../SearchEngine.php:231
12	0.3223	5818584	call_user_func_array ( )	../Hooks.php:209
13	0.3223	5819288	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3229	5893288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3266	5939320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3481	6174376	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3533	6205976	PoolCounterWork->execute( )	../Util.php:133
18	0.3535	6230232	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3535	6230416	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3535	6230488	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3536	6232424	PoolCounterWork->execute( )	../Util.php:129
22	0.3536	6233072	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3536	6233256	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3536	6233376	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3816	6347632	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3817	6351560	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3817	6351840	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3819	6353128	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3819	6353520	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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3895	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.3919	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3934	6284600	WebResponse->header( )	../OutputPage.php:2134
7	0.3934	6284744	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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3895	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.3919	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3941	6292632	WebResponse->header( )	../OutputPage.php:2171
7	0.3941	6292776	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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3895	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.3919	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3976	6292576	WebResponse->header( )	../OutputPage.php:2172
7	0.3976	6292720	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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3895	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.3990	6292576	WebResponse->header( )	../OutputPage.php:2220
6	0.3990	6292720	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	0.0251	3375864	MediaWiki->run( )	../index.php:46
3	0.0251	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.3895	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.3996	6292728	WebResponse->header( )	../OutputPage.php:2227
6	0.3996	6292872	header ( )	../WebResponse.php:37