( ! ) Warning: Search backend error during near_match search for '34.231.21.83' after 6. 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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.0309	3551432	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0482	4378928	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0492	4432800	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0492	4433168	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1179	5796944	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1270	5803176	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1270	5803928	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1294	5818928	Hooks::run( )	../SearchEngine.php:231
12	0.1294	5820528	call_user_func_array ( )	../Hooks.php:209
13	0.1294	5821232	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1302	5895280	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1315	5941304	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1350	6176440	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1353	6208040	PoolCounterWork->execute( )	../Util.php:133
18	0.1354	6232296	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1354	6232480	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1354	6232552	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1355	6234488	PoolCounterWork->execute( )	../Util.php:129
22	0.1355	6235136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1355	6235320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1355	6235440	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1419	6349576	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1420	6353512	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1420	6353792	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1421	6355096	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1421	6355488	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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.1440	6278744	OutputPage->output( )	../MediaWiki.php:583
5	0.1443	6285200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1444	6286496	WebResponse->header( )	../OutputPage.php:2134
7	0.1444	6286640	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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.1440	6278744	OutputPage->output( )	../MediaWiki.php:583
5	0.1443	6285200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1450	6294528	WebResponse->header( )	../OutputPage.php:2171
7	0.1450	6294672	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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.1440	6278744	OutputPage->output( )	../MediaWiki.php:583
5	0.1443	6285200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1455	6294472	WebResponse->header( )	../OutputPage.php:2172
7	0.1455	6294616	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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.1440	6278744	OutputPage->output( )	../MediaWiki.php:583
5	0.1460	6294472	WebResponse->header( )	../OutputPage.php:2220
6	0.1460	6294616	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	233560	{main}( )	../index.php:0
2	0.0176	3375904	MediaWiki->run( )	../index.php:46
3	0.0177	3377312	MediaWiki->main( )	../MediaWiki.php:424
4	0.1440	6278744	OutputPage->output( )	../MediaWiki.php:583
5	0.1466	6294632	WebResponse->header( )	../OutputPage.php:2227
6	0.1466	6294776	header ( )	../WebResponse.php:37