( ! ) Warning: Search backend error during near_match search for '3.21.171.107' after 31. 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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0540	3559536	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1204	4387080	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1209	4440960	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1209	4441328	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2641	5803608	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2743	5809840	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2743	5810592	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2793	5825592	Hooks::run( )	../SearchEngine.php:231
12	0.2793	5827192	call_user_func_array ( )	../Hooks.php:209
13	0.2794	5827896	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2801	5901920	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2809	5947944	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2857	6182968	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2904	6215736	PoolCounterWork->execute( )	../Util.php:133
18	0.2906	6240152	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2906	6240336	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2906	6240408	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2906	6242376	PoolCounterWork->execute( )	../Util.php:129
22	0.2906	6243024	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2906	6243208	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2906	6243328	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3214	6357592	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3215	6361528	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3215	6361808	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3216	6363112	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3216	6363504	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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3240	6286760	OutputPage->output( )	../MediaWiki.php:583
5	0.3242	6293216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3243	6294512	WebResponse->header( )	../OutputPage.php:2134
7	0.3244	6294656	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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3240	6286760	OutputPage->output( )	../MediaWiki.php:583
5	0.3242	6293216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3250	6302544	WebResponse->header( )	../OutputPage.php:2171
7	0.3250	6302688	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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3240	6286760	OutputPage->output( )	../MediaWiki.php:583
5	0.3242	6293216	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3255	6302488	WebResponse->header( )	../OutputPage.php:2172
7	0.3255	6302632	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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3240	6286760	OutputPage->output( )	../MediaWiki.php:583
5	0.3261	6302488	WebResponse->header( )	../OutputPage.php:2220
6	0.3261	6302632	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	238760	{main}( )	../index.php:0
2	0.0160	3383944	MediaWiki->run( )	../index.php:46
3	0.0160	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3240	6286760	OutputPage->output( )	../MediaWiki.php:583
5	0.3268	6302648	WebResponse->header( )	../OutputPage.php:2227
6	0.3268	6302792	header ( )	../WebResponse.php:37