( ! ) Warning: Search backend error during near_match search for '18.188.151.127' after 17. 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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.0327	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0635	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0640	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0640	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1532	5795304	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1679	5801560	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1679	5802312	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1718	5817304	Hooks::run( )	../SearchEngine.php:231
12	0.1718	5818904	call_user_func_array ( )	../Hooks.php:209
13	0.1718	5819608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1724	5893632	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1731	5939672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1756	6174728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1759	6206312	PoolCounterWork->execute( )	../Util.php:133
18	0.1760	6230568	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1760	6230752	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1760	6230824	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1760	6232760	PoolCounterWork->execute( )	../Util.php:129
22	0.1761	6233408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1761	6233592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1761	6233712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1927	6347944	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1928	6351880	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1928	6352160	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1930	6353464	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1930	6353856	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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1948	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1953	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1954	6284928	WebResponse->header( )	../OutputPage.php:2134
7	0.1954	6285072	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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1948	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1953	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1962	6292960	WebResponse->header( )	../OutputPage.php:2171
7	0.1962	6293104	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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1948	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1953	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1967	6292904	WebResponse->header( )	../OutputPage.php:2172
7	0.1967	6293048	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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1948	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1973	6292904	WebResponse->header( )	../OutputPage.php:2220
6	0.1973	6293048	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	0.0137	3376096	MediaWiki->run( )	../index.php:46
3	0.0137	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1948	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1979	6293064	WebResponse->header( )	../OutputPage.php:2227
6	0.1979	6293208	header ( )	../WebResponse.php:37