( ! ) Warning: Search backend error during near_match search for '18.191.189.23' after 2. 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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1957	3553304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4178	4380856	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4182	4434768	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4182	4435136	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0188	5797320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0613	5803576	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0613	5804328	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0809	5819328	Hooks::run( )	../SearchEngine.php:231
12	1.0809	5820928	call_user_func_array ( )	../Hooks.php:209
13	1.0809	5821632	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0813	5895680	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0817	5941704	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0936	6176808	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0938	6208392	PoolCounterWork->execute( )	../Util.php:133
18	1.0939	6232648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0940	6232832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0940	6232904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0940	6234840	PoolCounterWork->execute( )	../Util.php:129
22	1.0940	6235488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0940	6235672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0940	6235792	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0957	6350032	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0959	6353968	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0959	6354248	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0960	6355552	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0960	6355944	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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	1.1302	6279232	OutputPage->output( )	../MediaWiki.php:583
5	1.1304	6285688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1305	6286984	WebResponse->header( )	../OutputPage.php:2134
7	1.1305	6287128	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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	1.1302	6279232	OutputPage->output( )	../MediaWiki.php:583
5	1.1304	6285688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1311	6295016	WebResponse->header( )	../OutputPage.php:2171
7	1.1311	6295160	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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	1.1302	6279232	OutputPage->output( )	../MediaWiki.php:583
5	1.1304	6285688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1316	6294960	WebResponse->header( )	../OutputPage.php:2172
7	1.1317	6295104	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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	1.1302	6279232	OutputPage->output( )	../MediaWiki.php:583
5	1.1321	6294960	WebResponse->header( )	../OutputPage.php:2220
6	1.1321	6295104	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	235248	{main}( )	../index.php:0
2	0.0737	3377848	MediaWiki->run( )	../index.php:46
3	0.0737	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	1.1302	6279232	OutputPage->output( )	../MediaWiki.php:583
5	1.1937	6295120	WebResponse->header( )	../OutputPage.php:2227
6	1.1937	6295264	header ( )	../WebResponse.php:37