( ! ) Warning: Search backend error during near_match search for '18.224.200.148' 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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.0274	3561104	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0587	4388768	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0592	4442680	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0592	4443048	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1771	5804200	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1840	5810384	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1840	5811136	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1863	5826128	Hooks::run( )	../SearchEngine.php:231
12	0.1863	5827728	call_user_func_array ( )	../Hooks.php:209
13	0.1863	5828432	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1869	5902464	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1892	5948488	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1990	6183576	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1992	6216344	PoolCounterWork->execute( )	../Util.php:133
18	0.1994	6240784	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1994	6240968	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1994	6241040	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1994	6243008	PoolCounterWork->execute( )	../Util.php:129
22	0.1994	6243656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1994	6243840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1994	6243960	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2176	6358240	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2178	6362176	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2178	6362456	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2179	6363760	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2179	6364152	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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.2199	6287408	OutputPage->output( )	../MediaWiki.php:583
5	0.2202	6293864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2219	6295160	WebResponse->header( )	../OutputPage.php:2134
7	0.2219	6295304	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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.2199	6287408	OutputPage->output( )	../MediaWiki.php:583
5	0.2202	6293864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2227	6303192	WebResponse->header( )	../OutputPage.php:2171
7	0.2227	6303336	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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.2199	6287408	OutputPage->output( )	../MediaWiki.php:583
5	0.2202	6293864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2232	6303136	WebResponse->header( )	../OutputPage.php:2172
7	0.2232	6303280	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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.2199	6287408	OutputPage->output( )	../MediaWiki.php:583
5	0.2249	6303136	WebResponse->header( )	../OutputPage.php:2220
6	0.2249	6303280	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	240368	{main}( )	../index.php:0
2	0.0092	3385544	MediaWiki->run( )	../index.php:46
3	0.0106	3386952	MediaWiki->main( )	../MediaWiki.php:424
4	0.2199	6287408	OutputPage->output( )	../MediaWiki.php:583
5	0.2255	6303296	WebResponse->header( )	../OutputPage.php:2227
6	0.2255	6303440	header ( )	../WebResponse.php:37