( ! ) Warning: Search backend error during near_match search for '18.116.21.152' after 57. 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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1648	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3563	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3568	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3568	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.1138	5796968	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1773	5803224	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1773	5803976	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1982	5818976	Hooks::run( )	../SearchEngine.php:231
12	1.1982	5820576	call_user_func_array ( )	../Hooks.php:209
13	1.1982	5821280	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1987	5895312	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1996	5941344	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.2463	6176400	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.2466	6207992	PoolCounterWork->execute( )	../Util.php:133
18	1.2468	6232248	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.2468	6232432	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.2468	6232504	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.2468	6234440	PoolCounterWork->execute( )	../Util.php:129
22	1.2468	6235088	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.2468	6235272	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.2468	6235392	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.3034	6349648	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.3035	6353584	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.3035	6353864	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.3036	6355168	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.3036	6355560	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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3451	6278880	OutputPage->output( )	../MediaWiki.php:583
5	1.3453	6285336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3454	6286632	WebResponse->header( )	../OutputPage.php:2134
7	1.3454	6286776	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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3451	6278880	OutputPage->output( )	../MediaWiki.php:583
5	1.3453	6285336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3461	6294680	WebResponse->header( )	../OutputPage.php:2171
7	1.3461	6294824	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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3451	6278880	OutputPage->output( )	../MediaWiki.php:583
5	1.3453	6285336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3466	6294624	WebResponse->header( )	../OutputPage.php:2172
7	1.3466	6294768	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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3451	6278880	OutputPage->output( )	../MediaWiki.php:583
5	1.3471	6294624	WebResponse->header( )	../OutputPage.php:2220
6	1.3471	6294768	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	233960	{main}( )	../index.php:0
2	0.0112	3376416	MediaWiki->run( )	../index.php:46
3	0.0113	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.3451	6278880	OutputPage->output( )	../MediaWiki.php:583
5	1.3477	6294784	WebResponse->header( )	../OutputPage.php:2227
6	1.3477	6294928	header ( )	../WebResponse.php:37