( ! ) Warning: Search backend error during near_match search for '18.190.239.243' after 17. 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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1019	3551928	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1893	4379376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1898	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1898	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3366	5796504	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3575	5802760	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3575	5803512	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3807	5818504	Hooks::run( )	../SearchEngine.php:231
12	0.3808	5820104	call_user_func_array ( )	../Hooks.php:209
13	0.3808	5820808	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3813	5894848	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3821	5940872	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4043	6175976	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4046	6207568	PoolCounterWork->execute( )	../Util.php:133
18	0.4048	6231824	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4048	6232008	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4048	6232080	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4048	6234016	PoolCounterWork->execute( )	../Util.php:129
22	0.4048	6234664	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4048	6234848	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4048	6234968	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4219	6349184	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4221	6353120	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4221	6353400	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4222	6354704	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4222	6355096	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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4296	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.4298	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4299	6286136	WebResponse->header( )	../OutputPage.php:2134
7	0.4299	6286280	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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4296	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.4298	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4305	6294184	WebResponse->header( )	../OutputPage.php:2171
7	0.4305	6294328	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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4296	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.4298	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4311	6294128	WebResponse->header( )	../OutputPage.php:2172
7	0.4311	6294272	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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4296	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.4316	6294128	WebResponse->header( )	../OutputPage.php:2220
6	0.4316	6294272	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	0.0361	3376416	MediaWiki->run( )	../index.php:46
3	0.0361	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4296	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.4322	6294288	WebResponse->header( )	../OutputPage.php:2227
6	0.4322	6294432	header ( )	../WebResponse.php:37