( ! ) Warning: Search backend error during near_match search for '18.117.141.142' after 15. 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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.0427	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1031	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1036	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1036	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3255	5795304	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3493	5801560	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3493	5802312	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3576	5817304	Hooks::run( )	../SearchEngine.php:231
12	0.3577	5818904	call_user_func_array ( )	../Hooks.php:209
13	0.3577	5819608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3582	5893648	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3591	5939688	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3621	6174792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3624	6206376	PoolCounterWork->execute( )	../Util.php:133
18	0.3625	6230632	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3625	6230816	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3625	6230888	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3626	6232824	PoolCounterWork->execute( )	../Util.php:129
22	0.3626	6233472	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3626	6233656	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3626	6233776	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3778	6347992	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3779	6351928	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3779	6352208	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3780	6353512	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3780	6353904	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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.3847	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.3850	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3851	6284944	WebResponse->header( )	../OutputPage.php:2134
7	0.3851	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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.3847	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.3850	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3858	6292976	WebResponse->header( )	../OutputPage.php:2171
7	0.3858	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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.3847	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.3850	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3863	6292920	WebResponse->header( )	../OutputPage.php:2172
7	0.3863	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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.3847	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.3868	6292920	WebResponse->header( )	../OutputPage.php:2220
6	0.3868	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	233960	{main}( )	../index.php:0
2	0.0114	3376096	MediaWiki->run( )	../index.php:46
3	0.0114	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.3847	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.3874	6293080	WebResponse->header( )	../OutputPage.php:2227
6	0.3874	6293224	header ( )	../WebResponse.php:37