( ! ) Warning: Search backend error during near_match search for '3.141.40.160' after 16. 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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.0675	3965752	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1208	4420520	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1244	4474504	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1244	4474872	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2760	5818400	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2932	5824616	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2932	5825368	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3073	5840368	Hooks::run( )	../SearchEngine.php:231
12	0.3073	5841968	call_user_func_array ( )	../Hooks.php:209
13	0.3073	5842672	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3079	5916728	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3118	5962752	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3323	6197776	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3328	6230544	PoolCounterWork->execute( )	../Util.php:133
18	0.3330	6254960	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3330	6255144	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3330	6255216	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3330	6257184	PoolCounterWork->execute( )	../Util.php:129
22	0.3330	6257832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3330	6258016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3330	6258136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3495	6372424	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3497	6376360	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3497	6376640	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3498	6377944	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3498	6378336	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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.3515	6301568	OutputPage->output( )	../MediaWiki.php:583
5	0.3517	6308016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3518	6309312	WebResponse->header( )	../OutputPage.php:2134
7	0.3518	6309456	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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.3515	6301568	OutputPage->output( )	../MediaWiki.php:583
5	0.3517	6308016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3524	6317344	WebResponse->header( )	../OutputPage.php:2171
7	0.3524	6317488	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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.3515	6301568	OutputPage->output( )	../MediaWiki.php:583
5	0.3517	6308016	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3529	6317288	WebResponse->header( )	../OutputPage.php:2172
7	0.3530	6317432	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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.3515	6301568	OutputPage->output( )	../MediaWiki.php:583
5	0.3564	6317288	WebResponse->header( )	../OutputPage.php:2220
6	0.3565	6317432	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	241344	{main}( )	../index.php:0
2	0.0362	3790248	MediaWiki->run( )	../index.php:46
3	0.0362	3791656	MediaWiki->main( )	../MediaWiki.php:424
4	0.3515	6301568	OutputPage->output( )	../MediaWiki.php:583
5	0.3571	6317448	WebResponse->header( )	../OutputPage.php:2227
6	0.3571	6317592	header ( )	../WebResponse.php:37