( ! ) Warning: Search backend error during near_match search for '3.228.21.204' 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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.0237	3550800	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0383	4378368	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0387	4432272	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0387	4432640	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0809	5794032	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0858	5800216	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0858	5800968	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0881	5815968	Hooks::run( )	../SearchEngine.php:231
12	0.0881	5817568	call_user_func_array ( )	../Hooks.php:209
13	0.0881	5818272	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0886	5892320	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0893	5938368	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0924	6173504	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0927	6205088	PoolCounterWork->execute( )	../Util.php:133
18	0.0929	6229344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0929	6229528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0929	6229600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0929	6231536	PoolCounterWork->execute( )	../Util.php:129
22	0.0930	6232184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0930	6232368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0930	6232488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0996	6346792	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0997	6350728	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0997	6351008	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0998	6352312	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0998	6352704	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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.1016	6275984	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1019	6283736	WebResponse->header( )	../OutputPage.php:2134
7	0.1019	6283880	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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.1016	6275984	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1025	6291768	WebResponse->header( )	../OutputPage.php:2171
7	0.1025	6291912	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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.1016	6275984	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1031	6291712	WebResponse->header( )	../OutputPage.php:2172
7	0.1031	6291856	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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.1016	6275984	OutputPage->output( )	../MediaWiki.php:583
5	0.1036	6291712	WebResponse->header( )	../OutputPage.php:2220
6	0.1036	6291856	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	0.0002	233528	{main}( )	../index.php:0
2	0.0161	3375304	MediaWiki->run( )	../index.php:46
3	0.0162	3376712	MediaWiki->main( )	../MediaWiki.php:424
4	0.1016	6275984	OutputPage->output( )	../MediaWiki.php:583
5	0.1041	6291872	WebResponse->header( )	../OutputPage.php:2227
6	0.1041	6292016	header ( )	../WebResponse.php:37