( ! ) Warning: Search backend error during near_match search for '3.138.67.121' after 6. 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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0240	3551960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0390	4379464	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0394	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0395	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0834	5796984	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0887	5802552	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0887	5803304	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0916	5818304	Hooks::run( )	../SearchEngine.php:231
12	0.0916	5819904	call_user_func_array ( )	../Hooks.php:209
13	0.0916	5820608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0921	5894640	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0929	5940672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0963	6175720	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0965	6207312	PoolCounterWork->execute( )	../Util.php:133
18	0.0967	6231568	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0967	6231752	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0967	6231824	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0967	6233760	PoolCounterWork->execute( )	../Util.php:129
22	0.0967	6234408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0967	6234592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0968	6234712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1032	6348992	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1034	6352928	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1034	6353208	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1035	6354512	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1035	6354904	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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1054	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.1057	6284680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1058	6285976	WebResponse->header( )	../OutputPage.php:2134
7	0.1058	6286120	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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1054	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.1057	6284680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1065	6294008	WebResponse->header( )	../OutputPage.php:2171
7	0.1065	6294152	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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1054	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.1057	6284680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1070	6293952	WebResponse->header( )	../OutputPage.php:2172
7	0.1070	6294096	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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1054	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.1075	6293952	WebResponse->header( )	../OutputPage.php:2220
6	0.1075	6294096	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	233960	{main}( )	../index.php:0
2	0.0150	3376416	MediaWiki->run( )	../index.php:46
3	0.0150	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1054	6278224	OutputPage->output( )	../MediaWiki.php:583
5	0.1080	6294112	WebResponse->header( )	../OutputPage.php:2227
6	0.1080	6294256	header ( )	../WebResponse.php:37