( ! ) Warning: Search backend error during near_match search for '3.147.6.122' after 2. 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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2509	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2513	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2513	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0143	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0732	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0732	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1050	5817320	Hooks::run( )	../SearchEngine.php:231
12	1.1050	5818920	call_user_func_array ( )	../Hooks.php:209
13	1.1050	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1054	5893656	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1059	5939680	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1081	6174736	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1799	6206320	PoolCounterWork->execute( )	../Util.php:133
18	1.1801	6230576	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1801	6230760	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1801	6230832	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1801	6232768	PoolCounterWork->execute( )	../Util.php:129
22	1.1802	6233416	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1802	6233600	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1802	6233720	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1821	6347976	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1823	6351904	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1823	6352184	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1824	6353472	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1824	6353864	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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.2210	6277200	OutputPage->output( )	../MediaWiki.php:583
5	1.2212	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2213	6284944	WebResponse->header( )	../OutputPage.php:2134
7	1.2213	6285088	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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.2210	6277200	OutputPage->output( )	../MediaWiki.php:583
5	1.2212	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2406	6292976	WebResponse->header( )	../OutputPage.php:2171
7	1.2406	6293120	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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.2210	6277200	OutputPage->output( )	../MediaWiki.php:583
5	1.2212	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2412	6292920	WebResponse->header( )	../OutputPage.php:2172
7	1.2412	6293064	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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.2210	6277200	OutputPage->output( )	../MediaWiki.php:583
5	1.2417	6292920	WebResponse->header( )	../OutputPage.php:2220
6	1.2417	6293064	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	0.0296	3376040	MediaWiki->run( )	../index.php:46
3	0.0297	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.2210	6277200	OutputPage->output( )	../MediaWiki.php:583
5	1.2423	6293072	WebResponse->header( )	../OutputPage.php:2227
6	1.2423	6293216	header ( )	../WebResponse.php:37