( ! ) Warning: Search backend error during near_match search for '18.222.196.154' after 6. 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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0284	3559544	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0590	4387072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0594	4440960	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0594	4441328	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1091	5803432	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1144	5809664	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1144	5810416	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1169	5825408	Hooks::run( )	../SearchEngine.php:231
12	0.1169	5827008	call_user_func_array ( )	../Hooks.php:209
13	0.1169	5827712	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1175	5901752	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1184	5947800	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1219	6182896	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1222	6214480	PoolCounterWork->execute( )	../Util.php:133
18	0.1224	6238736	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1224	6238920	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1224	6238992	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1224	6240928	PoolCounterWork->execute( )	../Util.php:129
22	0.1224	6241576	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1224	6241760	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1224	6241880	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1289	6356152	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1291	6360088	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1291	6360368	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1292	6361672	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1292	6362064	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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.1310	6285352	OutputPage->output( )	../MediaWiki.php:583
5	0.1312	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1313	6293104	WebResponse->header( )	../OutputPage.php:2134
7	0.1313	6293248	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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.1310	6285352	OutputPage->output( )	../MediaWiki.php:583
5	0.1312	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1319	6301136	WebResponse->header( )	../OutputPage.php:2171
7	0.1319	6301280	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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.1310	6285352	OutputPage->output( )	../MediaWiki.php:583
5	0.1312	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1324	6301080	WebResponse->header( )	../OutputPage.php:2172
7	0.1324	6301224	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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.1310	6285352	OutputPage->output( )	../MediaWiki.php:583
5	0.1329	6301080	WebResponse->header( )	../OutputPage.php:2220
6	0.1329	6301224	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	238760	{main}( )	../index.php:0
2	0.0086	3383968	MediaWiki->run( )	../index.php:46
3	0.0087	3385376	MediaWiki->main( )	../MediaWiki.php:424
4	0.1310	6285352	OutputPage->output( )	../MediaWiki.php:583
5	0.1335	6301240	WebResponse->header( )	../OutputPage.php:2227
6	0.1335	6301384	header ( )	../WebResponse.php:37