( ! ) Warning: Search backend error during near_match search for '18.117.141.251' after 7. 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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0442	3551928	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0642	4379376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0650	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0651	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1124	5796528	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1174	5802784	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1174	5803536	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1196	5818528	Hooks::run( )	../SearchEngine.php:231
12	0.1196	5820128	call_user_func_array ( )	../Hooks.php:209
13	0.1196	5820832	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1202	5894872	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1210	5940904	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1244	6176008	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1248	6208784	PoolCounterWork->execute( )	../Util.php:133
18	0.1249	6233256	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1249	6233440	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1249	6233512	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1250	6235480	PoolCounterWork->execute( )	../Util.php:129
22	0.1250	6236128	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1250	6236312	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1250	6236432	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1317	6350696	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1319	6354632	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1319	6354912	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1320	6356216	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1320	6356608	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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1340	6279832	OutputPage->output( )	../MediaWiki.php:583
5	0.1342	6286288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1343	6287584	WebResponse->header( )	../OutputPage.php:2134
7	0.1343	6287728	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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1340	6279832	OutputPage->output( )	../MediaWiki.php:583
5	0.1342	6286288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1350	6295632	WebResponse->header( )	../OutputPage.php:2171
7	0.1350	6295776	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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1340	6279832	OutputPage->output( )	../MediaWiki.php:583
5	0.1342	6286288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1355	6295576	WebResponse->header( )	../OutputPage.php:2172
7	0.1355	6295720	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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1340	6279832	OutputPage->output( )	../MediaWiki.php:583
5	0.1361	6295576	WebResponse->header( )	../OutputPage.php:2220
6	0.1361	6295720	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	0.0002	233960	{main}( )	../index.php:0
2	0.0325	3376416	MediaWiki->run( )	../index.php:46
3	0.0326	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1340	6279832	OutputPage->output( )	../MediaWiki.php:583
5	0.1367	6295736	WebResponse->header( )	../OutputPage.php:2227
6	0.1367	6295880	header ( )	../WebResponse.php:37