( ! ) Warning: Search backend error during near_match search for '3.12.154.71' after 64. 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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	0.2279	3553432	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4904	4380864	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4908	4434760	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4908	4435128	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9908	5797552	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0290	5803808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0290	5804560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0394	5819560	Hooks::run( )	../SearchEngine.php:231
12	1.0394	5821160	call_user_func_array ( )	../Hooks.php:209
13	1.0394	5821864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0399	5895896	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0407	5941920	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0605	6176976	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0801	6208568	PoolCounterWork->execute( )	../Util.php:133
18	1.0803	6232824	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0803	6233008	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0803	6233080	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0804	6235016	PoolCounterWork->execute( )	../Util.php:129
22	1.0804	6235664	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0804	6235848	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0804	6235968	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1442	6350216	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1445	6354152	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1445	6354432	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1446	6355736	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1446	6356128	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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	1.1472	6279440	OutputPage->output( )	../MediaWiki.php:583
5	1.1474	6285888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1474	6287184	WebResponse->header( )	../OutputPage.php:2134
7	1.1475	6287328	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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	1.1472	6279440	OutputPage->output( )	../MediaWiki.php:583
5	1.1474	6285888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1481	6295216	WebResponse->header( )	../OutputPage.php:2171
7	1.1481	6295360	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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	1.1472	6279440	OutputPage->output( )	../MediaWiki.php:583
5	1.1474	6285888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1486	6295160	WebResponse->header( )	../OutputPage.php:2172
7	1.1486	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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	1.1472	6279440	OutputPage->output( )	../MediaWiki.php:583
5	1.1491	6295160	WebResponse->header( )	../OutputPage.php:2220
6	1.1491	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	235328	{main}( )	../index.php:0
2	0.0325	3377992	MediaWiki->run( )	../index.php:46
3	0.0325	3379400	MediaWiki->main( )	../MediaWiki.php:424
4	1.1472	6279440	OutputPage->output( )	../MediaWiki.php:583
5	1.1496	6295320	WebResponse->header( )	../OutputPage.php:2227
6	1.1496	6295464	header ( )	../WebResponse.php:37