( ! ) Warning: Search backend error during near_match search for '18.191.5.239' after 1. 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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0237	3957616	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0353	4412440	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0356	4466472	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0357	4466840	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0753	5810872	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0806	5816840	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0806	5817592	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0828	5832592	Hooks::run( )	../SearchEngine.php:231
12	0.0829	5834192	call_user_func_array ( )	../Hooks.php:209
13	0.0829	5834896	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0831	5908952	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0834	5954976	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0848	6190024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0849	6221608	PoolCounterWork->execute( )	../Util.php:133
18	0.0850	6245864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0850	6246048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0850	6246120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0850	6248056	PoolCounterWork->execute( )	../Util.php:129
22	0.0850	6248704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0850	6248888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0850	6249008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0865	6363304	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0866	6367240	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0866	6367520	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0867	6368824	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0867	6369216	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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0883	6292520	OutputPage->output( )	../MediaWiki.php:583
5	0.0885	6298976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0886	6300272	WebResponse->header( )	../OutputPage.php:2134
7	0.0886	6300416	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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0883	6292520	OutputPage->output( )	../MediaWiki.php:583
5	0.0885	6298976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0892	6308304	WebResponse->header( )	../OutputPage.php:2171
7	0.0892	6308448	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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0883	6292520	OutputPage->output( )	../MediaWiki.php:583
5	0.0885	6298976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0897	6308248	WebResponse->header( )	../OutputPage.php:2172
7	0.0897	6308392	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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0883	6292520	OutputPage->output( )	../MediaWiki.php:583
5	0.0902	6308248	WebResponse->header( )	../OutputPage.php:2220
6	0.0902	6308392	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	235872	{main}( )	../index.php:0
2	0.0161	3782088	MediaWiki->run( )	../index.php:46
3	0.0161	3783496	MediaWiki->main( )	../MediaWiki.php:424
4	0.0883	6292520	OutputPage->output( )	../MediaWiki.php:583
5	0.0908	6308408	WebResponse->header( )	../OutputPage.php:2227
6	0.0908	6308552	header ( )	../WebResponse.php:37