( ! ) Warning: Search backend error during near_match search for '3.17.164.34' after 15. 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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1395	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2126	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2131	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2131	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.6476	5796248	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.7141	5802504	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.7141	5803256	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.7456	5818256	Hooks::run( )	../SearchEngine.php:231
12	0.7456	5819856	call_user_func_array ( )	../Hooks.php:209
13	0.7456	5820560	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.7461	5894608	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.7468	5940632	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.7625	6175736	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.7628	6207336	PoolCounterWork->execute( )	../Util.php:133
18	0.7630	6231592	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.7630	6231776	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.7977	6231848	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.7978	6233784	PoolCounterWork->execute( )	../Util.php:129
22	0.7978	6234432	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.7978	6234616	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.7978	6234736	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.8124	6348968	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.8125	6352904	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.8126	6353184	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.8127	6354488	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.8127	6354880	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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.8147	6278160	OutputPage->output( )	../MediaWiki.php:583
5	0.8394	6284616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8395	6285912	WebResponse->header( )	../OutputPage.php:2134
7	0.8395	6286056	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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.8147	6278160	OutputPage->output( )	../MediaWiki.php:583
5	0.8394	6284616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8403	6293944	WebResponse->header( )	../OutputPage.php:2171
7	0.8403	6294088	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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.8147	6278160	OutputPage->output( )	../MediaWiki.php:583
5	0.8394	6284616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8409	6293888	WebResponse->header( )	../OutputPage.php:2172
7	0.8409	6294032	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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.8147	6278160	OutputPage->output( )	../MediaWiki.php:583
5	0.8413	6293888	WebResponse->header( )	../OutputPage.php:2220
6	0.8413	6294032	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	0.0848	3376408	MediaWiki->run( )	../index.php:46
3	0.0848	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.8147	6278160	OutputPage->output( )	../MediaWiki.php:583
5	0.8420	6294048	WebResponse->header( )	../OutputPage.php:2227
6	0.8420	6294192	header ( )	../WebResponse.php:37