( ! ) Warning: Search backend error during near_match search for '3.144.4.156' after 77. 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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1784	3551360	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4269	4378888	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4273	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4274	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.8631	5795232	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.9800	5801488	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.9800	5802240	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.9979	5817240	Hooks::run( )	../SearchEngine.php:231
12	0.9980	5818840	call_user_func_array ( )	../Hooks.php:209
13	0.9980	5819544	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9985	5893576	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0193	5939608	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0225	6174616	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0811	6206200	PoolCounterWork->execute( )	../Util.php:133
18	1.0812	6230456	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0812	6230640	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0812	6230712	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0812	6232648	PoolCounterWork->execute( )	../Util.php:129
22	1.0813	6233296	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0813	6233480	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0813	6233600	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1578	6347864	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1661	6351800	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1661	6352080	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1663	6353384	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1663	6353776	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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.2028	6277088	OutputPage->output( )	../MediaWiki.php:583
5	1.2031	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2032	6284840	WebResponse->header( )	../OutputPage.php:2134
7	1.2032	6284984	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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.2028	6277088	OutputPage->output( )	../MediaWiki.php:583
5	1.2031	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2038	6292872	WebResponse->header( )	../OutputPage.php:2171
7	1.2038	6293016	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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.2028	6277088	OutputPage->output( )	../MediaWiki.php:583
5	1.2031	6283544	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2043	6292816	WebResponse->header( )	../OutputPage.php:2172
7	1.2043	6292960	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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.2028	6277088	OutputPage->output( )	../MediaWiki.php:583
5	1.2048	6292816	WebResponse->header( )	../OutputPage.php:2220
6	1.2048	6292960	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	233896	{main}( )	../index.php:0
2	0.0098	3375864	MediaWiki->run( )	../index.php:46
3	0.0098	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.2028	6277088	OutputPage->output( )	../MediaWiki.php:583
5	1.2054	6292968	WebResponse->header( )	../OutputPage.php:2227
6	1.2054	6293112	header ( )	../WebResponse.php:37