( ! ) Warning: Search backend error during near_match search for '3.22.100.20' after 8. 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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0183	3560400	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0324	4387992	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0328	4441904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0328	4442272	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1118	5803760	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1199	5809704	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1199	5810456	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1223	5825456	Hooks::run( )	../SearchEngine.php:231
12	0.1224	5827056	call_user_func_array ( )	../Hooks.php:209
13	0.1224	5827760	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1228	5901792	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1237	5947816	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1288	6182904	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1290	6215672	PoolCounterWork->execute( )	../Util.php:133
18	0.1292	6240112	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1292	6240296	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1292	6240368	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1292	6242336	PoolCounterWork->execute( )	../Util.php:129
22	0.1293	6242984	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1293	6243168	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1293	6243288	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1369	6357584	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1371	6361512	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1371	6361792	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1372	6363080	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1372	6363472	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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1508	6286744	OutputPage->output( )	../MediaWiki.php:583
5	0.1511	6293192	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1512	6294488	WebResponse->header( )	../OutputPage.php:2134
7	0.1512	6294632	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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1508	6286744	OutputPage->output( )	../MediaWiki.php:583
5	0.1511	6293192	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1519	6302520	WebResponse->header( )	../OutputPage.php:2171
7	0.1519	6302664	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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1508	6286744	OutputPage->output( )	../MediaWiki.php:583
5	0.1511	6293192	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1523	6302464	WebResponse->header( )	../OutputPage.php:2172
7	0.1523	6302608	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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1508	6286744	OutputPage->output( )	../MediaWiki.php:583
5	0.1528	6302464	WebResponse->header( )	../OutputPage.php:2220
6	0.1528	6302608	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	239792	{main}( )	../index.php:0
2	0.0090	3384864	MediaWiki->run( )	../index.php:46
3	0.0091	3386272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1508	6286744	OutputPage->output( )	../MediaWiki.php:583
5	0.1533	6302616	WebResponse->header( )	../OutputPage.php:2227
6	0.1533	6302760	header ( )	../WebResponse.php:37