( ! ) Warning: Search backend error during near_match search for '3.142.240.117' 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	0.0000	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0886	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1424	4387072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1428	4440984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1428	4441352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2993	5803472	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3178	5809704	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3178	5810456	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3334	5825456	Hooks::run( )	../SearchEngine.php:231
12	0.3334	5827056	call_user_func_array ( )	../Hooks.php:209
13	0.3334	5827760	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3340	5901784	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3383	5947808	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3820	6182832	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3823	6215600	PoolCounterWork->execute( )	../Util.php:133
18	0.3825	6240016	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3825	6240200	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3825	6240272	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3825	6242240	PoolCounterWork->execute( )	../Util.php:129
22	0.3825	6242888	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3825	6243072	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3825	6243192	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3890	6357464	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3892	6361400	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3892	6361680	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3893	6362984	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3893	6363376	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	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3911	6286632	OutputPage->output( )	../MediaWiki.php:583
5	0.3913	6293088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3914	6294384	WebResponse->header( )	../OutputPage.php:2134
7	0.3914	6294528	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	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3911	6286632	OutputPage->output( )	../MediaWiki.php:583
5	0.3913	6293088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3922	6302416	WebResponse->header( )	../OutputPage.php:2171
7	0.3922	6302560	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	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3911	6286632	OutputPage->output( )	../MediaWiki.php:583
5	0.3913	6293088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3926	6302360	WebResponse->header( )	../OutputPage.php:2172
7	0.3927	6302504	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	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3911	6286632	OutputPage->output( )	../MediaWiki.php:583
5	0.3931	6302360	WebResponse->header( )	../OutputPage.php:2220
6	0.3931	6302504	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	238760	{main}( )	../index.php:0
2	0.0458	3383968	MediaWiki->run( )	../index.php:46
3	0.0458	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3911	6286632	OutputPage->output( )	../MediaWiki.php:583
5	0.3937	6302520	WebResponse->header( )	../OutputPage.php:2227
6	0.3937	6302664	header ( )	../WebResponse.php:37