( ! ) Warning: Search backend error during near_match search for '3.139.83.155' after 17. 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	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.2571	3551960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4316	4379464	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4320	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4320	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9161	5796960	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.9642	5802552	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.9642	5803304	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.9762	5818304	Hooks::run( )	../SearchEngine.php:231
12	0.9763	5819904	call_user_func_array ( )	../Hooks.php:209
13	0.9763	5820608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9769	5894640	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.9776	5940672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0002	6175728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0031	6207320	PoolCounterWork->execute( )	../Util.php:133
18	1.0032	6231576	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0032	6231760	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0032	6231832	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0033	6233768	PoolCounterWork->execute( )	../Util.php:129
22	1.0033	6234416	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0033	6234600	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0033	6234720	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0208	6348968	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0209	6352904	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0209	6353184	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0211	6354488	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0211	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	0.0001	233960	{main}( )	../index.php:0
2	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0230	6278200	OutputPage->output( )	../MediaWiki.php:583
5	1.0232	6284656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0233	6285952	WebResponse->header( )	../OutputPage.php:2134
7	1.0233	6286096	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	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0230	6278200	OutputPage->output( )	../MediaWiki.php:583
5	1.0232	6284656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0240	6293984	WebResponse->header( )	../OutputPage.php:2171
7	1.0240	6294128	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	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0230	6278200	OutputPage->output( )	../MediaWiki.php:583
5	1.0232	6284656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0245	6293928	WebResponse->header( )	../OutputPage.php:2172
7	1.0245	6294072	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	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0230	6278200	OutputPage->output( )	../MediaWiki.php:583
5	1.0250	6293928	WebResponse->header( )	../OutputPage.php:2220
6	1.0250	6294072	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	0.0702	3376416	MediaWiki->run( )	../index.php:46
3	0.0703	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.0230	6278200	OutputPage->output( )	../MediaWiki.php:583
5	1.0256	6294088	WebResponse->header( )	../OutputPage.php:2227
6	1.0256	6294232	header ( )	../WebResponse.php:37