( ! ) Warning: Search backend error during near_match search for '3.139.83.96' 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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1414	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3458	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3520	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3520	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9892	5796240	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0801	5802496	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0801	5803248	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1159	5818248	Hooks::run( )	../SearchEngine.php:231
12	1.1159	5819848	call_user_func_array ( )	../Hooks.php:209
13	1.1159	5820552	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1163	5894600	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1167	5940624	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1420	6175720	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1728	6207312	PoolCounterWork->execute( )	../Util.php:133
18	1.1732	6231568	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1732	6231752	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1733	6231824	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1733	6233760	PoolCounterWork->execute( )	../Util.php:129
22	1.1733	6234408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1733	6234592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1733	6234712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1752	6348992	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1754	6352920	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1754	6353200	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1755	6354488	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1755	6354880	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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.2148	6278184	OutputPage->output( )	../MediaWiki.php:583
5	1.2150	6284632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2151	6285928	WebResponse->header( )	../OutputPage.php:2134
7	1.2151	6286072	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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.2148	6278184	OutputPage->output( )	../MediaWiki.php:583
5	1.2150	6284632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2158	6293960	WebResponse->header( )	../OutputPage.php:2171
7	1.2158	6294104	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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.2148	6278184	OutputPage->output( )	../MediaWiki.php:583
5	1.2150	6284632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2163	6293904	WebResponse->header( )	../OutputPage.php:2172
7	1.2163	6294048	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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.2148	6278184	OutputPage->output( )	../MediaWiki.php:583
5	1.2168	6293904	WebResponse->header( )	../OutputPage.php:2220
6	1.2168	6294048	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	233928	{main}( )	../index.php:0
2	0.0413	3376408	MediaWiki->run( )	../index.php:46
3	0.0413	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.2148	6278184	OutputPage->output( )	../MediaWiki.php:583
5	1.2173	6294064	WebResponse->header( )	../OutputPage.php:2227
6	1.2173	6294208	header ( )	../WebResponse.php:37