( ! ) Warning: Search backend error during near_match search for '3.129.253.21' 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	233960	{main}( )	../index.php:0
2	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0386	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0541	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0545	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0546	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1074	5795840	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1126	5802096	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1126	5802848	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1151	5817848	Hooks::run( )	../SearchEngine.php:231
12	0.1152	5819448	call_user_func_array ( )	../Hooks.php:209
13	0.1152	5820152	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1157	5894192	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1163	5940240	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1191	6175344	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1194	6208136	PoolCounterWork->execute( )	../Util.php:133
18	0.1196	6232608	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1196	6232792	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1196	6232864	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1197	6234832	PoolCounterWork->execute( )	../Util.php:129
22	0.1197	6235480	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1197	6235664	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1197	6235784	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1262	6350064	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1263	6354000	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1263	6354280	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1264	6355584	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1264	6355976	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	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1283	6279200	OutputPage->output( )	../MediaWiki.php:583
5	0.1286	6285656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1287	6286952	WebResponse->header( )	../OutputPage.php:2134
7	0.1287	6287096	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	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1283	6279200	OutputPage->output( )	../MediaWiki.php:583
5	0.1286	6285656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1293	6294984	WebResponse->header( )	../OutputPage.php:2171
7	0.1293	6295128	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	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1283	6279200	OutputPage->output( )	../MediaWiki.php:583
5	0.1286	6285656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1298	6294928	WebResponse->header( )	../OutputPage.php:2172
7	0.1298	6295072	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	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1283	6279200	OutputPage->output( )	../MediaWiki.php:583
5	0.1303	6294928	WebResponse->header( )	../OutputPage.php:2220
6	0.1303	6295072	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	0.0279	3376416	MediaWiki->run( )	../index.php:46
3	0.0280	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1283	6279200	OutputPage->output( )	../MediaWiki.php:583
5	0.1309	6295088	WebResponse->header( )	../OutputPage.php:2227
6	0.1309	6295232	header ( )	../WebResponse.php:37