( ! ) Warning: Search backend error during near_match search for '18.117.136.79' after 36. 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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0589	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1178	4387072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1182	4440984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1183	4441352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2738	5803440	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2870	5809672	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2870	5810424	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2911	5825424	Hooks::run( )	../SearchEngine.php:231
12	0.2912	5827024	call_user_func_array ( )	../Hooks.php:209
13	0.2912	5827728	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2918	5901752	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2925	5947776	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2993	6182864	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2996	6215632	PoolCounterWork->execute( )	../Util.php:133
18	0.2998	6240072	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2998	6240256	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2998	6240328	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2999	6242296	PoolCounterWork->execute( )	../Util.php:129
22	0.2999	6242944	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2999	6243128	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2999	6243248	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3362	6357552	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3364	6361488	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3364	6361768	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3365	6363072	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3365	6363464	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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3394	6286720	OutputPage->output( )	../MediaWiki.php:583
5	0.3396	6293176	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3397	6294472	WebResponse->header( )	../OutputPage.php:2134
7	0.3397	6294616	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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3394	6286720	OutputPage->output( )	../MediaWiki.php:583
5	0.3396	6293176	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3404	6302504	WebResponse->header( )	../OutputPage.php:2171
7	0.3404	6302648	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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3394	6286720	OutputPage->output( )	../MediaWiki.php:583
5	0.3396	6293176	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3409	6302448	WebResponse->header( )	../OutputPage.php:2172
7	0.3409	6302592	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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3394	6286720	OutputPage->output( )	../MediaWiki.php:583
5	0.3419	6302448	WebResponse->header( )	../OutputPage.php:2220
6	0.3419	6302592	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	0.0001	238760	{main}( )	../index.php:0
2	0.0332	3383968	MediaWiki->run( )	../index.php:46
3	0.0332	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.3394	6286720	OutputPage->output( )	../MediaWiki.php:583
5	0.3477	6302608	WebResponse->header( )	../OutputPage.php:2227
6	0.3477	6302752	header ( )	../WebResponse.php:37