( ! ) Warning: Search backend error during near_match search for '3.144.21.237' 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	0.0001	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0164	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0303	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0307	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0307	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0734	5795832	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0783	5802088	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0783	5802840	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0805	5817840	Hooks::run( )	../SearchEngine.php:231
12	0.0805	5819440	call_user_func_array ( )	../Hooks.php:209
13	0.0805	5820144	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0810	5894184	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0815	5940232	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0838	6175336	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0840	6208128	PoolCounterWork->execute( )	../Util.php:133
18	0.0841	6232600	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0842	6232784	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0842	6232856	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0842	6234824	PoolCounterWork->execute( )	../Util.php:129
22	0.0842	6235472	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0842	6235656	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0842	6235776	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0901	6350056	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0902	6353992	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0902	6354272	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0903	6355576	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0903	6355968	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	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0920	6279192	OutputPage->output( )	../MediaWiki.php:583
5	0.0922	6285648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0923	6286944	WebResponse->header( )	../OutputPage.php:2134
7	0.0923	6287088	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	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0920	6279192	OutputPage->output( )	../MediaWiki.php:583
5	0.0922	6285648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0929	6294976	WebResponse->header( )	../OutputPage.php:2171
7	0.0929	6295120	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	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0920	6279192	OutputPage->output( )	../MediaWiki.php:583
5	0.0922	6285648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0934	6294920	WebResponse->header( )	../OutputPage.php:2172
7	0.0934	6295064	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	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0920	6279192	OutputPage->output( )	../MediaWiki.php:583
5	0.0939	6294920	WebResponse->header( )	../OutputPage.php:2220
6	0.0939	6295064	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	233960	{main}( )	../index.php:0
2	0.0088	3376416	MediaWiki->run( )	../index.php:46
3	0.0089	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0920	6279192	OutputPage->output( )	../MediaWiki.php:583
5	0.0944	6295080	WebResponse->header( )	../OutputPage.php:2227
6	0.0944	6295224	header ( )	../WebResponse.php:37