( ! ) Warning: Search backend error during near_match search for '3.15.222.197' after 18. 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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.0716	3559064	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1220	4386560	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1225	4440448	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1226	4440816	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2658	5803136	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2852	5808984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2852	5809736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2954	5824736	Hooks::run( )	../SearchEngine.php:231
12	0.2954	5826336	call_user_func_array ( )	../Hooks.php:209
13	0.2954	5827040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2995	5901072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3050	5947096	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3228	6182184	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3232	6214952	PoolCounterWork->execute( )	../Util.php:133
18	0.3278	6239392	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3278	6239576	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3278	6239648	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3279	6241616	PoolCounterWork->execute( )	../Util.php:129
22	0.3279	6242264	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3279	6242448	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3279	6242568	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3461	6356872	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3463	6360808	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3463	6361088	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3465	6362392	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3465	6362784	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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3513	6286032	OutputPage->output( )	../MediaWiki.php:583
5	0.3515	6292480	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3528	6293776	WebResponse->header( )	../OutputPage.php:2134
7	0.3528	6293920	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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3513	6286032	OutputPage->output( )	../MediaWiki.php:583
5	0.3515	6292480	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3535	6301808	WebResponse->header( )	../OutputPage.php:2171
7	0.3535	6301952	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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3513	6286032	OutputPage->output( )	../MediaWiki.php:583
5	0.3515	6292480	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3584	6301752	WebResponse->header( )	../OutputPage.php:2172
7	0.3584	6301896	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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3513	6286032	OutputPage->output( )	../MediaWiki.php:583
5	0.3589	6301752	WebResponse->header( )	../OutputPage.php:2220
6	0.3589	6301896	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	238728	{main}( )	../index.php:0
2	0.0453	3383568	MediaWiki->run( )	../index.php:46
3	0.0453	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3513	6286032	OutputPage->output( )	../MediaWiki.php:583
5	0.3630	6301912	WebResponse->header( )	../OutputPage.php:2227
6	0.3630	6302056	header ( )	../WebResponse.php:37