( ! ) Warning: Search backend error during near_match search for '3.144.172.217' after 7. 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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0600	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0852	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0860	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0860	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1490	5796048	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1542	5802280	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1542	5803032	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1564	5818032	Hooks::run( )	../SearchEngine.php:231
12	0.1564	5819632	call_user_func_array ( )	../Hooks.php:209
13	0.1564	5820336	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1570	5894384	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1576	5940424	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1603	6175528	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1606	6208328	PoolCounterWork->execute( )	../Util.php:133
18	0.1608	6233072	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1608	6233256	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1608	6233328	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1608	6235296	PoolCounterWork->execute( )	../Util.php:129
22	0.1608	6235944	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1608	6236128	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1608	6236248	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1673	6350520	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1675	6354456	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1675	6354736	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1676	6356040	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1676	6356432	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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	6279656	OutputPage->output( )	../MediaWiki.php:583
5	0.1703	6286112	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1705	6287408	WebResponse->header( )	../OutputPage.php:2134
7	0.1705	6287552	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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	6279656	OutputPage->output( )	../MediaWiki.php:583
5	0.1703	6286112	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1713	6295456	WebResponse->header( )	../OutputPage.php:2171
7	0.1713	6295600	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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	6279656	OutputPage->output( )	../MediaWiki.php:583
5	0.1703	6286112	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1727	6295400	WebResponse->header( )	../OutputPage.php:2172
7	0.1727	6295544	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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	6279656	OutputPage->output( )	../MediaWiki.php:583
5	0.1741	6295400	WebResponse->header( )	../OutputPage.php:2220
6	0.1741	6295544	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	233960	{main}( )	../index.php:0
2	0.0434	3376416	MediaWiki->run( )	../index.php:46
3	0.0435	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	6279656	OutputPage->output( )	../MediaWiki.php:583
5	0.1749	6295560	WebResponse->header( )	../OutputPage.php:2227
6	0.1749	6295704	header ( )	../WebResponse.php:37