( ! ) Warning: Search backend error during near_match search for '18.117.184.44' 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	0.0000	233960	{main}( )	../index.php:0
2	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0382	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0565	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0568	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0569	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1581	5795952	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1711	5802184	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1711	5802936	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1798	5817936	Hooks::run( )	../SearchEngine.php:231
12	0.1799	5819536	call_user_func_array ( )	../Hooks.php:209
13	0.1799	5820240	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1804	5894288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1808	5940312	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1825	6175408	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1826	6206992	PoolCounterWork->execute( )	../Util.php:133
18	0.1827	6231248	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1827	6231432	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1828	6231504	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1828	6233440	PoolCounterWork->execute( )	../Util.php:129
22	0.1828	6234088	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1828	6234272	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1828	6234392	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1845	6348696	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1846	6352632	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1846	6352912	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1847	6354216	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1848	6354608	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	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1866	6277880	OutputPage->output( )	../MediaWiki.php:583
5	0.1868	6284336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1869	6285632	WebResponse->header( )	../OutputPage.php:2134
7	0.1869	6285776	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	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1866	6277880	OutputPage->output( )	../MediaWiki.php:583
5	0.1868	6284336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1876	6293680	WebResponse->header( )	../OutputPage.php:2171
7	0.1876	6293824	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	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1866	6277880	OutputPage->output( )	../MediaWiki.php:583
5	0.1868	6284336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1881	6293624	WebResponse->header( )	../OutputPage.php:2172
7	0.1881	6293768	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	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1866	6277880	OutputPage->output( )	../MediaWiki.php:583
5	0.1886	6293624	WebResponse->header( )	../OutputPage.php:2220
6	0.1886	6293768	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	0.0229	3376416	MediaWiki->run( )	../index.php:46
3	0.0230	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1866	6277880	OutputPage->output( )	../MediaWiki.php:583
5	0.1892	6293784	WebResponse->header( )	../OutputPage.php:2227
6	0.1892	6293928	header ( )	../WebResponse.php:37