( ! ) Warning: Search backend error during near_match search for '3.21.46.26' after 23. 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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0513	3551680	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1103	4379192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1108	4433088	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1108	4433456	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3389	5794576	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3634	5800832	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3634	5801584	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3726	5816584	Hooks::run( )	../SearchEngine.php:231
12	0.3726	5818184	call_user_func_array ( )	../Hooks.php:209
13	0.3726	5818888	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3733	5892880	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3741	5938904	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3907	6173960	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3910	6205560	PoolCounterWork->execute( )	../Util.php:133
18	0.3911	6229816	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3911	6230000	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3911	6230072	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3911	6232008	PoolCounterWork->execute( )	../Util.php:129
22	0.3911	6232656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3911	6232840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3911	6232960	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4139	6347208	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4141	6351136	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4141	6351416	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4142	6352704	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4142	6353096	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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4251	6276432	OutputPage->output( )	../MediaWiki.php:583
5	0.4253	6282880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4254	6284176	WebResponse->header( )	../OutputPage.php:2134
7	0.4254	6284320	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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4251	6276432	OutputPage->output( )	../MediaWiki.php:583
5	0.4253	6282880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4261	6292208	WebResponse->header( )	../OutputPage.php:2171
7	0.4261	6292352	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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4251	6276432	OutputPage->output( )	../MediaWiki.php:583
5	0.4253	6282880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4266	6292152	WebResponse->header( )	../OutputPage.php:2172
7	0.4266	6292296	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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4251	6276432	OutputPage->output( )	../MediaWiki.php:583
5	0.4271	6292152	WebResponse->header( )	../OutputPage.php:2220
6	0.4271	6292296	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	0.0155	3376040	MediaWiki->run( )	../index.php:46
3	0.0155	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.4251	6276432	OutputPage->output( )	../MediaWiki.php:583
5	0.4277	6292304	WebResponse->header( )	../OutputPage.php:2227
6	0.4277	6292448	header ( )	../WebResponse.php:37