( ! ) Warning: Search backend error during near_match search for '18.116.21.239' 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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.01803551392MediaWiki->performRequest( )../MediaWiki.php:573
50.03404378920SpecialPageFactory::executePath( )../MediaWiki.php:270
60.03444432840SpecialPage->run( )../SpecialPageFactory.php:581
70.03444433208SpecialSearch->execute( )../SpecialPage.php:383
80.07835794744SpecialSearch->goResult( )../SpecialSearch.php:117
90.08495801000SearchEngine::getNearMatch( )../SpecialSearch.php:188
100.08495801752SearchEngine::getNearMatchInternal( )../SearchEngine.php:139
110.08735816752Hooks::run( )../SearchEngine.php:231
120.08735818352call_user_func_array ( )../Hooks.php:209
130.08735819056CirrusSearch\Hooks::onSearchGetNearMatch( )../Hooks.php:209
140.08775893088CirrusSearch\Searcher->nearMatchTitleSearch( )../Hooks.php:408
150.08855939120CirrusSearch\Searcher->search( )../Searcher.php:268
160.09156174128CirrusSearch\Util::doPoolCounterWork( )../Searcher.php:1079
170.09186205736PoolCounterWork->execute( )../Util.php:133
180.09196229992PoolCounterWorkViaCallback->doWork( )../PoolCounterWork.php:123
190.09196230176call_user_func_array ( )../PoolCounterWorkViaCallback.php:69
200.09196230248CirrusSearch\Util::CirrusSearch\{closure}( )../PoolCounterWorkViaCallback.php:69
210.09196232184PoolCounterWork->execute( )../Util.php:129
220.09206232832PoolCounterWorkViaCallback->doWork( )../PoolCounterWork.php:123
230.09206233016call_user_func_array ( )../PoolCounterWorkViaCallback.php:69
240.09206233136CirrusSearch\Searcher->CirrusSearch\{closure}( )../PoolCounterWorkViaCallback.php:69
250.09416347408CirrusSearch\ElasticsearchIntermediary->failure( )../Searcher.php:1063
260.09426351344wfLogWarning( )../ElasticsearchIntermediary.php:98
270.09426351624MWDebug::warning( )../GlobalFunctions.php:1247
280.09436352928MWDebug::sendMessage( )../MWDebug.php:155
290.09436353320trigger_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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.09596276632OutputPage->output( )../MediaWiki.php:583
50.09626283088OutputPage->sendCacheControl( )../OutputPage.php:2218
60.09636284384WebResponse->header( )../OutputPage.php:2134
70.09636284528header ( )../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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.09596276632OutputPage->output( )../MediaWiki.php:583
50.09626283088OutputPage->sendCacheControl( )../OutputPage.php:2218
60.09696292416WebResponse->header( )../OutputPage.php:2171
70.09696292560header ( )../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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.09596276632OutputPage->output( )../MediaWiki.php:583
50.09626283088OutputPage->sendCacheControl( )../OutputPage.php:2218
60.09746292360WebResponse->header( )../OutputPage.php:2172
70.09746292504header ( )../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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.09596276632OutputPage->output( )../MediaWiki.php:583
50.09796292360WebResponse->header( )../OutputPage.php:2220
60.09796292504header ( )../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
#TimeMemoryFunctionLocation
10.0000233960{main}( )../index.php:0
20.01033375880MediaWiki->run( )../index.php:46
30.01033377288MediaWiki->main( )../MediaWiki.php:424
40.09596276632OutputPage->output( )../MediaWiki.php:583
50.09856292520WebResponse->header( )../OutputPage.php:2227
60.09856292664header ( )../WebResponse.php:37