( ! ) Warning: Search backend error during near_match search for '3.144.21.253' after 39. 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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0180	3551512	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0412	4379208	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0416	4433096	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0416	4433464	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3195	5795792	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3909	5802048	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3909	5802800	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4108	5817800	Hooks::run( )	../SearchEngine.php:231
12	0.4109	5819400	call_user_func_array ( )	../Hooks.php:209
13	0.4109	5820104	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4113	5894128	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4120	5940152	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4480	6175208	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4482	6206792	PoolCounterWork->execute( )	../Util.php:133
18	0.4483	6231048	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4483	6231232	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4483	6231304	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4484	6233240	PoolCounterWork->execute( )	../Util.php:129
22	0.4484	6233888	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4484	6234072	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4484	6234192	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4874	6348440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4875	6352376	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4875	6352656	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5023	6353960	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5023	6354352	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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5229	6277664	OutputPage->output( )	../MediaWiki.php:583
5	0.5231	6284120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5232	6285416	WebResponse->header( )	../OutputPage.php:2134
7	0.5233	6285560	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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5229	6277664	OutputPage->output( )	../MediaWiki.php:583
5	0.5231	6284120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5239	6293448	WebResponse->header( )	../OutputPage.php:2171
7	0.5239	6293592	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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5229	6277664	OutputPage->output( )	../MediaWiki.php:583
5	0.5231	6284120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5244	6293392	WebResponse->header( )	../OutputPage.php:2172
7	0.5244	6293536	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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5229	6277664	OutputPage->output( )	../MediaWiki.php:583
5	0.5249	6293392	WebResponse->header( )	../OutputPage.php:2220
6	0.5249	6293536	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	233928	{main}( )	../index.php:0
2	0.0104	3376040	MediaWiki->run( )	../index.php:46
3	0.0104	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5229	6277664	OutputPage->output( )	../MediaWiki.php:583
5	0.5255	6293552	WebResponse->header( )	../OutputPage.php:2227
6	0.5255	6293696	header ( )	../WebResponse.php:37