( ! ) Warning: Search backend error during near_match search for '3.144.123.155' 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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	0.1339	3599456	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3124	4412976	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3128	4466968	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3129	4467336	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0460	5795168	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0852	5801400	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0852	5802152	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1042	5817152	Hooks::run( )	../SearchEngine.php:231
12	1.1042	5818752	call_user_func_array ( )	../Hooks.php:209
13	1.1042	5819456	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1047	5893512	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1054	5939544	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1414	6174600	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1521	6206208	PoolCounterWork->execute( )	../Util.php:133
18	1.1523	6230464	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1523	6230648	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1523	6230720	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1524	6232656	PoolCounterWork->execute( )	../Util.php:129
22	1.1524	6233304	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1524	6233488	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1524	6233608	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1705	6347864	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1707	6351800	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1707	6352080	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1709	6353384	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1709	6353776	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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.2168	6277072	OutputPage->output( )	../MediaWiki.php:583
5	1.2170	6283528	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2171	6284824	WebResponse->header( )	../OutputPage.php:2134
7	1.2171	6284968	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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.2168	6277072	OutputPage->output( )	../MediaWiki.php:583
5	1.2170	6283528	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2178	6292856	WebResponse->header( )	../OutputPage.php:2171
7	1.2178	6293000	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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.2168	6277072	OutputPage->output( )	../MediaWiki.php:583
5	1.2170	6283528	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2183	6292800	WebResponse->header( )	../OutputPage.php:2172
7	1.2183	6292944	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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.2168	6277072	OutputPage->output( )	../MediaWiki.php:583
5	1.2486	6292800	WebResponse->header( )	../OutputPage.php:2220
6	1.2486	6292944	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	0.0001	232232	{main}( )	../index.php:0
2	0.0403	3374344	MediaWiki->run( )	../index.php:46
3	0.0403	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.2168	6277072	OutputPage->output( )	../MediaWiki.php:583
5	1.2493	6292960	WebResponse->header( )	../OutputPage.php:2227
6	1.2493	6293104	header ( )	../WebResponse.php:37