( ! ) Warning: Search backend error during near_match search for '13.58.96.31' after 4. 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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.0275	3551304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0647	4378848	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0653	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0654	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2722	5795056	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2816	5801312	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2816	5802064	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2846	5817064	Hooks::run( )	../SearchEngine.php:231
12	0.2847	5818664	call_user_func_array ( )	../Hooks.php:209
13	0.2847	5819368	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2852	5893392	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2864	5939424	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2910	6174480	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2915	6206088	PoolCounterWork->execute( )	../Util.php:133
18	0.2917	6230344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2918	6230528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2918	6230600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2922	6232536	PoolCounterWork->execute( )	../Util.php:129
22	0.2922	6233184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2922	6233368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2922	6233488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2963	6347736	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2968	6351664	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2968	6351944	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2972	6353232	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2972	6353624	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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.2997	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.2999	6283408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3000	6284704	WebResponse->header( )	../OutputPage.php:2134
7	0.3000	6284848	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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.2997	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.2999	6283408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3326	6292736	WebResponse->header( )	../OutputPage.php:2171
7	0.3326	6292880	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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.2997	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.2999	6283408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3331	6292680	WebResponse->header( )	../OutputPage.php:2172
7	0.3332	6292824	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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.2997	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.3336	6292680	WebResponse->header( )	../OutputPage.php:2220
6	0.3336	6292824	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	233896	{main}( )	../index.php:0
2	0.0109	3375832	MediaWiki->run( )	../index.php:46
3	0.0110	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.2997	6276960	OutputPage->output( )	../MediaWiki.php:583
5	0.3351	6292832	WebResponse->header( )	../OutputPage.php:2227
6	0.3351	6292976	header ( )	../WebResponse.php:37