( ! ) Warning: Search backend error during near_match search for '18.188.28.135' after 21. 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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1253	3551440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2386	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2391	4432944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2391	4433312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.5589	5794768	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.6217	5801024	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.6217	5801776	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.6517	5816776	Hooks::run( )	../SearchEngine.php:231
12	0.6517	5818376	call_user_func_array ( )	../Hooks.php:209
13	0.6517	5819080	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.6519	5893112	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.6523	5939136	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.6700	6174192	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.6766	6205800	PoolCounterWork->execute( )	../Util.php:133
18	0.6767	6230056	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.6767	6230240	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.6767	6230312	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.6767	6232248	PoolCounterWork->execute( )	../Util.php:129
22	0.6767	6232896	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.6767	6233080	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.6767	6233200	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.6979	6347472	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.6981	6351408	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.6981	6351688	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.6982	6352992	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.6982	6353384	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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.6999	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.7001	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7002	6284432	WebResponse->header( )	../OutputPage.php:2134
7	0.7002	6284576	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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.6999	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.7001	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7325	6292464	WebResponse->header( )	../OutputPage.php:2171
7	0.7325	6292608	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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.6999	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.7001	6283136	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7330	6292408	WebResponse->header( )	../OutputPage.php:2172
7	0.7330	6292552	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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.6999	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.7379	6292408	WebResponse->header( )	../OutputPage.php:2220
6	0.7379	6292552	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	0.0562	3375896	MediaWiki->run( )	../index.php:46
3	0.0563	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.6999	6276680	OutputPage->output( )	../MediaWiki.php:583
5	0.7420	6292568	WebResponse->header( )	../OutputPage.php:2227
6	0.7420	6292712	header ( )	../WebResponse.php:37