( ! ) Warning: Search backend error during near_match search for '3.144.23.44' after 7. 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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.0219	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0363	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0368	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0369	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0801	5796240	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0851	5802496	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0851	5803248	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0873	5818248	Hooks::run( )	../SearchEngine.php:231
12	0.0873	5819848	call_user_func_array ( )	../Hooks.php:209
13	0.0873	5820552	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0879	5894600	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0888	5940624	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0923	6175728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0926	6208512	PoolCounterWork->execute( )	../Util.php:133
18	0.0927	6232984	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0927	6233168	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0927	6233240	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0928	6235208	PoolCounterWork->execute( )	../Util.php:129
22	0.0928	6235856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0928	6236040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0928	6236160	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0997	6350440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0999	6354368	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0999	6354648	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1000	6355936	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1000	6356328	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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	6279568	OutputPage->output( )	../MediaWiki.php:583
5	0.1021	6286016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1022	6287312	WebResponse->header( )	../OutputPage.php:2134
7	0.1022	6287456	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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	6279568	OutputPage->output( )	../MediaWiki.php:583
5	0.1021	6286016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1028	6295344	WebResponse->header( )	../OutputPage.php:2171
7	0.1028	6295488	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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	6279568	OutputPage->output( )	../MediaWiki.php:583
5	0.1021	6286016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1033	6295288	WebResponse->header( )	../OutputPage.php:2172
7	0.1033	6295432	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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	6279568	OutputPage->output( )	../MediaWiki.php:583
5	0.1037	6295288	WebResponse->header( )	../OutputPage.php:2220
6	0.1037	6295432	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	0.0001	233928	{main}( )	../index.php:0
2	0.0109	3376408	MediaWiki->run( )	../index.php:46
3	0.0109	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	6279568	OutputPage->output( )	../MediaWiki.php:583
5	0.1043	6295448	WebResponse->header( )	../OutputPage.php:2227
6	0.1043	6295592	header ( )	../WebResponse.php:37