( ! ) Warning: Search backend error during near_match search for '3.144.41.38' after 8. 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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.0963	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1587	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1591	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1591	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4073	5796272	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4428	5802528	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4429	5803280	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4557	5818280	Hooks::run( )	../SearchEngine.php:231
12	0.4557	5819880	call_user_func_array ( )	../Hooks.php:209
13	0.4557	5820584	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4567	5894632	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4570	5940656	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4657	6175752	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4659	6207352	PoolCounterWork->execute( )	../Util.php:133
18	0.4740	6231608	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4740	6231792	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4740	6231864	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4742	6233800	PoolCounterWork->execute( )	../Util.php:129
22	0.4743	6234448	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4743	6234632	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4743	6234752	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4819	6349048	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4821	6352976	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4821	6353256	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4822	6354544	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4822	6354936	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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.4914	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.4916	6284672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4917	6285968	WebResponse->header( )	../OutputPage.php:2134
7	0.4917	6286112	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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.4914	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.4916	6284672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4924	6294000	WebResponse->header( )	../OutputPage.php:2171
7	0.4924	6294144	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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.4914	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.4916	6284672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4929	6293944	WebResponse->header( )	../OutputPage.php:2172
7	0.4929	6294088	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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.4914	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.4934	6293944	WebResponse->header( )	../OutputPage.php:2220
6	0.4934	6294088	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	233928	{main}( )	../index.php:0
2	0.0200	3376408	MediaWiki->run( )	../index.php:46
3	0.0201	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.4914	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.4940	6294104	WebResponse->header( )	../OutputPage.php:2227
6	0.4940	6294248	header ( )	../WebResponse.php:37