( ! ) Warning: Search backend error during near_match search for '3.142.55.2' after 2. 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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1150	3551680	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1839	4379192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1843	4433088	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1843	4433456	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2891	5794552	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2947	5800808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2947	5801560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2970	5816560	Hooks::run( )	../SearchEngine.php:231
12	0.2971	5818160	call_user_func_array ( )	../Hooks.php:209
13	0.2971	5818864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2975	5892856	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2981	5938880	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3112	6173936	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3120	6205536	PoolCounterWork->execute( )	../Util.php:133
18	0.3121	6229792	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3121	6229976	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3121	6230048	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3121	6231984	PoolCounterWork->execute( )	../Util.php:129
22	0.3121	6232632	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3121	6232816	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3121	6232936	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3140	6347184	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3141	6351112	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3141	6351392	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3142	6352680	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3142	6353072	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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.3207	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.3209	6282856	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3210	6284152	WebResponse->header( )	../OutputPage.php:2134
7	0.3210	6284296	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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.3207	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.3209	6282856	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3218	6292184	WebResponse->header( )	../OutputPage.php:2171
7	0.3218	6292328	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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.3207	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.3209	6282856	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3223	6292128	WebResponse->header( )	../OutputPage.php:2172
7	0.3223	6292272	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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.3207	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.3240	6292128	WebResponse->header( )	../OutputPage.php:2220
6	0.3240	6292272	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	0.0446	3376040	MediaWiki->run( )	../index.php:46
3	0.0446	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.3207	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.3247	6292280	WebResponse->header( )	../OutputPage.php:2227
6	0.3247	6292424	header ( )	../WebResponse.php:37