( ! ) Warning: Search backend error during near_match search for '18.117.232.102' after 5. 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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1976	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1979	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1979	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4705	5795320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4910	5801576	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4910	5802328	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4999	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.4999	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.4999	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.5002	5893664	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.5005	5939704	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5058	6174800	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5059	6206384	PoolCounterWork->execute( )	../Util.php:133
18	0.5059	6230640	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5060	6230824	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5060	6230896	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5060	6232832	PoolCounterWork->execute( )	../Util.php:129
22	0.5060	6233480	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5060	6233664	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5060	6233784	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5110	6348064	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5111	6352000	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5111	6352280	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5112	6353584	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5112	6353976	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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.5184	6277248	OutputPage->output( )	../MediaWiki.php:583
5	0.5186	6283704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5187	6285000	WebResponse->header( )	../OutputPage.php:2134
7	0.5187	6285144	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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.5184	6277248	OutputPage->output( )	../MediaWiki.php:583
5	0.5186	6283704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5194	6293032	WebResponse->header( )	../OutputPage.php:2171
7	0.5194	6293176	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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.5184	6277248	OutputPage->output( )	../MediaWiki.php:583
5	0.5186	6283704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5198	6292976	WebResponse->header( )	../OutputPage.php:2172
7	0.5198	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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.5184	6277248	OutputPage->output( )	../MediaWiki.php:583
5	0.5204	6292976	WebResponse->header( )	../OutputPage.php:2220
6	0.5204	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	0.0347	3376096	MediaWiki->run( )	../index.php:46
3	0.0348	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.5184	6277248	OutputPage->output( )	../MediaWiki.php:583
5	0.5445	6293136	WebResponse->header( )	../OutputPage.php:2227
6	0.5445	6293280	header ( )	../WebResponse.php:37