( ! ) Warning: Search backend error during near_match search for '3.16.75.165' 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	0.0000	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0769	3551360	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1654	4378888	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1659	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1659	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4968	5795232	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.5346	5801488	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.5346	5802240	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.5529	5817240	Hooks::run( )	../SearchEngine.php:231
12	0.5530	5818840	call_user_func_array ( )	../Hooks.php:209
13	0.5530	5819544	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.5536	5893576	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.5545	5939608	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5738	6174664	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5740	6206248	PoolCounterWork->execute( )	../Util.php:133
18	0.5767	6230504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5767	6230688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5767	6230760	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5767	6232696	PoolCounterWork->execute( )	../Util.php:129
22	0.5767	6233344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5767	6233528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5768	6233648	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5952	6347896	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5954	6351832	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5954	6352112	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5955	6353416	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5955	6353808	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	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.6053	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.6069	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6070	6284872	WebResponse->header( )	../OutputPage.php:2134
7	0.6070	6285016	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	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.6053	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.6069	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6187	6292904	WebResponse->header( )	../OutputPage.php:2171
7	0.6187	6293048	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	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.6053	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.6069	6283576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6193	6292848	WebResponse->header( )	../OutputPage.php:2172
7	0.6193	6292992	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	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.6053	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.6198	6292848	WebResponse->header( )	../OutputPage.php:2220
6	0.6198	6292992	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	233896	{main}( )	../index.php:0
2	0.0392	3375864	MediaWiki->run( )	../index.php:46
3	0.0392	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.6053	6277120	OutputPage->output( )	../MediaWiki.php:583
5	0.6204	6293000	WebResponse->header( )	../OutputPage.php:2227
6	0.6204	6293144	header ( )	../WebResponse.php:37