( ! ) Warning: Search backend error during near_match search for '18.217.72.7' after 87. 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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.3561	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.5158	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.5259	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.5259	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.2003	5796240	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.3216	5802496	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.3216	5803248	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.4149	5818248	Hooks::run( )	../SearchEngine.php:231
12	1.4149	5819848	call_user_func_array ( )	../Hooks.php:209
13	1.4149	5820552	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.4155	5894584	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.4160	5940608	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.4847	6175616	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.4850	6207224	PoolCounterWork->execute( )	../Util.php:133
18	1.4851	6231480	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.4851	6231664	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.4851	6231736	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.4851	6233672	PoolCounterWork->execute( )	../Util.php:129
22	1.4851	6234320	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.4851	6234504	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.4851	6234624	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.5723	6348888	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.5724	6352824	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.5724	6353104	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.5725	6354408	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.5725	6354800	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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.5742	6278112	OutputPage->output( )	../MediaWiki.php:583
5	1.5744	6284568	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.5745	6285864	WebResponse->header( )	../OutputPage.php:2134
7	1.5745	6286008	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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.5742	6278112	OutputPage->output( )	../MediaWiki.php:583
5	1.5744	6284568	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.6746	6293896	WebResponse->header( )	../OutputPage.php:2171
7	1.6746	6294040	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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.5742	6278112	OutputPage->output( )	../MediaWiki.php:583
5	1.5744	6284568	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.6990	6293840	WebResponse->header( )	../OutputPage.php:2172
7	1.6990	6293984	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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.5742	6278112	OutputPage->output( )	../MediaWiki.php:583
5	1.6995	6293840	WebResponse->header( )	../OutputPage.php:2220
6	1.6995	6293984	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	233928	{main}( )	../index.php:0
2	0.1218	3376408	MediaWiki->run( )	../index.php:46
3	0.1218	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.5742	6278112	OutputPage->output( )	../MediaWiki.php:583
5	1.7001	6294000	WebResponse->header( )	../OutputPage.php:2227
6	1.7001	6294144	header ( )	../WebResponse.php:37