( ! ) Warning: Search backend error during near_match search for '18.220.193.46' after 20. 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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.4249	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.6524	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.6529	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.6529	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.2774	5796048	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.3397	5802280	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.3397	5803032	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.3868	5818032	Hooks::run( )	../SearchEngine.php:231
12	1.3869	5819632	call_user_func_array ( )	../Hooks.php:209
13	1.3869	5820336	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.3874	5894368	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.3881	5940408	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.4307	6175464	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.4310	6207048	PoolCounterWork->execute( )	../Util.php:133
18	1.4311	6231304	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.4311	6231488	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.4311	6231560	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.4312	6233496	PoolCounterWork->execute( )	../Util.php:129
22	1.4312	6234144	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.4312	6234328	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.4312	6234448	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.4510	6348704	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.4511	6352640	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.4511	6352920	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.4512	6354224	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.4512	6354616	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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.4532	6277936	OutputPage->output( )	../MediaWiki.php:583
5	1.4534	6284392	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4535	6285688	WebResponse->header( )	../OutputPage.php:2134
7	1.4535	6285832	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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.4532	6277936	OutputPage->output( )	../MediaWiki.php:583
5	1.4534	6284392	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4542	6293736	WebResponse->header( )	../OutputPage.php:2171
7	1.4542	6293880	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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.4532	6277936	OutputPage->output( )	../MediaWiki.php:583
5	1.4534	6284392	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4748	6293680	WebResponse->header( )	../OutputPage.php:2172
7	1.4748	6293824	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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.4532	6277936	OutputPage->output( )	../MediaWiki.php:583
5	1.4753	6293680	WebResponse->header( )	../OutputPage.php:2220
6	1.4753	6293824	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	233960	{main}( )	../index.php:0
2	0.2411	3376416	MediaWiki->run( )	../index.php:46
3	0.2411	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.4532	6277936	OutputPage->output( )	../MediaWiki.php:583
5	1.4777	6293840	WebResponse->header( )	../OutputPage.php:2227
6	1.4777	6293984	header ( )	../WebResponse.php:37