( ! ) Warning: Search backend error during near_match search for '3.135.220.8' 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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0860	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1232	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1235	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1236	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4055	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4641	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4641	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4699	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.4699	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.4699	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4702	5893672	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4705	5939696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4927	6174792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4928	6206392	PoolCounterWork->execute( )	../Util.php:133
18	0.4929	6230648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4929	6230832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4929	6230904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4929	6232840	PoolCounterWork->execute( )	../Util.php:129
22	0.4929	6233488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4929	6233672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4929	6233792	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4945	6348096	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4946	6352024	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4947	6352304	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4947	6353592	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4947	6353984	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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5205	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5207	6283720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5208	6285016	WebResponse->header( )	../OutputPage.php:2134
7	0.5208	6285160	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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5205	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5207	6283720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5215	6293048	WebResponse->header( )	../OutputPage.php:2171
7	0.5215	6293192	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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5205	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5207	6283720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5220	6292992	WebResponse->header( )	../OutputPage.php:2172
7	0.5220	6293136	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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5205	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5225	6292992	WebResponse->header( )	../OutputPage.php:2220
6	0.5225	6293136	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	0.0397	3376040	MediaWiki->run( )	../index.php:46
3	0.0397	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5205	6277272	OutputPage->output( )	../MediaWiki.php:583
5	0.5231	6293144	WebResponse->header( )	../OutputPage.php:2227
6	0.5231	6293288	header ( )	../WebResponse.php:37