( ! ) Warning: Search backend error during near_match search for '18.117.170.177' after 31. 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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1407	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2963	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3376	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3376	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9652	5795304	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0288	5801560	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0288	5802312	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0628	5817304	Hooks::run( )	../SearchEngine.php:231
12	1.0628	5818904	call_user_func_array ( )	../Hooks.php:209
13	1.0628	5819608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0662	5893632	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0667	5939672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0990	6174728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0992	6206312	PoolCounterWork->execute( )	../Util.php:133
18	1.0993	6230568	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0993	6230752	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0993	6230824	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0994	6232760	PoolCounterWork->execute( )	../Util.php:129
22	1.0994	6233408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0994	6233592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0994	6233712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1308	6347944	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1318	6351880	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1318	6352160	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1319	6353464	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1319	6353856	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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	1.1517	6277176	OutputPage->output( )	../MediaWiki.php:583
5	1.1519	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1520	6284928	WebResponse->header( )	../OutputPage.php:2134
7	1.1520	6285072	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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	1.1517	6277176	OutputPage->output( )	../MediaWiki.php:583
5	1.1519	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1527	6292960	WebResponse->header( )	../OutputPage.php:2171
7	1.1527	6293104	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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	1.1517	6277176	OutputPage->output( )	../MediaWiki.php:583
5	1.1519	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1657	6292904	WebResponse->header( )	../OutputPage.php:2172
7	1.1657	6293048	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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	1.1517	6277176	OutputPage->output( )	../MediaWiki.php:583
5	1.1809	6292904	WebResponse->header( )	../OutputPage.php:2220
6	1.1809	6293048	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	3376096	MediaWiki->run( )	../index.php:46
3	0.0112	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	1.1517	6277176	OutputPage->output( )	../MediaWiki.php:583
5	1.1816	6293064	WebResponse->header( )	../OutputPage.php:2227
6	1.1816	6293208	header ( )	../WebResponse.php:37