( ! ) Warning: Search backend error during near_match search for '18.117.158.87' 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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0179	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0344	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0349	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0349	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0830	5796008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0889	5802240	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0889	5802992	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0919	5817992	Hooks::run( )	../SearchEngine.php:231
12	0.0919	5819592	call_user_func_array ( )	../Hooks.php:209
13	0.0920	5820296	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0924	5894344	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0931	5940384	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0956	6175488	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0959	6207088	PoolCounterWork->execute( )	../Util.php:133
18	0.0960	6231344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0960	6231528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0960	6231600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0961	6233536	PoolCounterWork->execute( )	../Util.php:129
22	0.0961	6234184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0961	6234368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0961	6234488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1024	6348728	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1025	6352664	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1025	6352944	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1037	6354248	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1037	6354640	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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1057	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.1060	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1061	6285680	WebResponse->header( )	../OutputPage.php:2134
7	0.1061	6285824	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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1057	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.1060	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1067	6293728	WebResponse->header( )	../OutputPage.php:2171
7	0.1067	6293872	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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1057	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.1060	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1073	6293672	WebResponse->header( )	../OutputPage.php:2172
7	0.1073	6293816	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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1057	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.1078	6293672	WebResponse->header( )	../OutputPage.php:2220
6	0.1078	6293816	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	233960	{main}( )	../index.php:0
2	0.0086	3376416	MediaWiki->run( )	../index.php:46
3	0.0086	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1057	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.1085	6293832	WebResponse->header( )	../OutputPage.php:2227
6	0.1085	6293976	header ( )	../WebResponse.php:37