( ! ) Warning: Search backend error during near_match search for '18.117.76.221' after 42. 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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1549	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3456	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3460	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3460	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9020	5794728	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0257	5800984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0257	5801736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0608	5816736	Hooks::run( )	../SearchEngine.php:231
12	1.0609	5818336	call_user_func_array ( )	../Hooks.php:209
13	1.0609	5819040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0614	5893072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0622	5939096	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0981	6174152	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0984	6205736	PoolCounterWork->execute( )	../Util.php:133
18	1.0985	6229992	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0985	6230176	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0985	6230248	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0986	6232184	PoolCounterWork->execute( )	../Util.php:129
22	1.0986	6232832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0986	6233016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0986	6233136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1408	6347392	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1410	6351328	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1410	6351608	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1411	6352912	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1411	6353304	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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1430	6276616	OutputPage->output( )	../MediaWiki.php:583
5	1.1432	6283072	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1433	6284368	WebResponse->header( )	../OutputPage.php:2134
7	1.1433	6284512	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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1430	6276616	OutputPage->output( )	../MediaWiki.php:583
5	1.1432	6283072	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1440	6292400	WebResponse->header( )	../OutputPage.php:2171
7	1.1440	6292544	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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1430	6276616	OutputPage->output( )	../MediaWiki.php:583
5	1.1432	6283072	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1897	6292344	WebResponse->header( )	../OutputPage.php:2172
7	1.1897	6292488	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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1430	6276616	OutputPage->output( )	../MediaWiki.php:583
5	1.1902	6292344	WebResponse->header( )	../OutputPage.php:2220
6	1.1902	6292488	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	233960	{main}( )	../index.php:0
2	0.0473	3375880	MediaWiki->run( )	../index.php:46
3	0.0473	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1430	6276616	OutputPage->output( )	../MediaWiki.php:583
5	1.2108	6292504	WebResponse->header( )	../OutputPage.php:2227
6	1.2108	6292648	header ( )	../WebResponse.php:37