( ! ) Warning: Search backend error during near_match search for '3.137.163.197' after 17. 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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.1890	3956536	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2588	4411304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2593	4465296	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2593	4465664	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.8678	5809000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.9063	5815152	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.9063	5815904	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.9302	5830904	Hooks::run( )	../SearchEngine.php:231
12	0.9302	5832504	call_user_func_array ( )	../Hooks.php:209
13	0.9303	5833208	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9375	5907256	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.9383	5953280	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.9660	6188352	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.9664	6219936	PoolCounterWork->execute( )	../Util.php:133
18	0.9665	6244192	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.9665	6244376	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.9665	6244448	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.9666	6246384	PoolCounterWork->execute( )	../Util.php:129
22	0.9666	6247032	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.9666	6247216	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.9666	6247336	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.9832	6361592	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.9834	6365528	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.9834	6365808	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.9835	6367112	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.9835	6367504	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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.9986	6290816	OutputPage->output( )	../MediaWiki.php:583
5	0.9988	6297264	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.9989	6298560	WebResponse->header( )	../OutputPage.php:2134
7	0.9989	6298704	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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.9986	6290816	OutputPage->output( )	../MediaWiki.php:583
5	0.9988	6297264	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.9996	6306592	WebResponse->header( )	../OutputPage.php:2171
7	0.9996	6306736	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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.9986	6290816	OutputPage->output( )	../MediaWiki.php:583
5	0.9988	6297264	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0189	6306536	WebResponse->header( )	../OutputPage.php:2172
7	1.0189	6306680	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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.9986	6290816	OutputPage->output( )	../MediaWiki.php:583
5	1.0196	6306536	WebResponse->header( )	../OutputPage.php:2220
6	1.0196	6306680	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	235360	{main}( )	../index.php:0
2	0.0623	3780984	MediaWiki->run( )	../index.php:46
3	0.0623	3782392	MediaWiki->main( )	../MediaWiki.php:424
4	0.9986	6290816	OutputPage->output( )	../MediaWiki.php:583
5	1.0202	6306696	WebResponse->header( )	../OutputPage.php:2227
6	1.0202	6306840	header ( )	../WebResponse.php:37