( ! ) Warning: Search backend error during near_match search for '18.188.96.39' 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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0408	3599440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0577	4412864	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0582	4466832	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0583	4467200	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1057	5795000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1116	5801280	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1116	5802032	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1147	5817032	Hooks::run( )	../SearchEngine.php:231
12	0.1147	5818632	call_user_func_array ( )	../Hooks.php:209
13	0.1147	5819336	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1153	5893360	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1161	5939400	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1191	6174456	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1195	6206040	PoolCounterWork->execute( )	../Util.php:133
18	0.1197	6230296	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1197	6230480	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1197	6230552	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1198	6232488	PoolCounterWork->execute( )	../Util.php:129
22	0.1198	6233136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1198	6233320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1198	6233440	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1265	6347688	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1267	6351624	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1267	6351904	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1268	6353208	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1268	6353600	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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1290	6276896	OutputPage->output( )	../MediaWiki.php:583
5	0.1293	6283352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1294	6284648	WebResponse->header( )	../OutputPage.php:2134
7	0.1294	6284792	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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1290	6276896	OutputPage->output( )	../MediaWiki.php:583
5	0.1293	6283352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1302	6292680	WebResponse->header( )	../OutputPage.php:2171
7	0.1302	6292824	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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1290	6276896	OutputPage->output( )	../MediaWiki.php:583
5	0.1293	6283352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1307	6292624	WebResponse->header( )	../OutputPage.php:2172
7	0.1307	6292768	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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1290	6276896	OutputPage->output( )	../MediaWiki.php:583
5	0.1312	6292624	WebResponse->header( )	../OutputPage.php:2220
6	0.1312	6292768	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	0.0001	232200	{main}( )	../index.php:0
2	0.0286	3374280	MediaWiki->run( )	../index.php:46
3	0.0287	3375688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1290	6276896	OutputPage->output( )	../MediaWiki.php:583
5	0.1320	6292784	WebResponse->header( )	../OutputPage.php:2227
6	0.1320	6292928	header ( )	../WebResponse.php:37