( ! ) Warning: Search backend error during near_match search for '3.16.82.7' after 30. 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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.0936	3551840	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1663	4379272	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1668	4433128	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1668	4433496	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4965	5795816	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.5268	5802072	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.5268	5802824	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.5426	5817824	Hooks::run( )	../SearchEngine.php:231
12	0.5426	5819424	call_user_func_array ( )	../Hooks.php:209
13	0.5426	5820128	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.5432	5894136	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.5688	5940168	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5852	6175224	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5854	6206808	PoolCounterWork->execute( )	../Util.php:133
18	0.5856	6231064	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5856	6231248	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5856	6231320	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5856	6233256	PoolCounterWork->execute( )	../Util.php:129
22	0.5856	6233904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5856	6234088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5856	6234208	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.6156	6348456	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.6159	6352408	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.6159	6352688	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.6162	6353976	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.6162	6354368	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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.6234	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.6237	6284152	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6238	6285448	WebResponse->header( )	../OutputPage.php:2134
7	0.6289	6285592	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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.6234	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.6237	6284152	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6349	6293480	WebResponse->header( )	../OutputPage.php:2171
7	0.6349	6293624	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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.6234	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.6237	6284152	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6354	6293424	WebResponse->header( )	../OutputPage.php:2172
7	0.6354	6293568	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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.6234	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.6359	6293424	WebResponse->header( )	../OutputPage.php:2220
6	0.6359	6293568	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	233880	{main}( )	../index.php:0
2	0.0207	3376304	MediaWiki->run( )	../index.php:46
3	0.0207	3377712	MediaWiki->main( )	../MediaWiki.php:424
4	0.6234	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.6365	6293576	WebResponse->header( )	../OutputPage.php:2227
6	0.6365	6293720	header ( )	../WebResponse.php:37