( ! ) Warning: Search backend error during near_match search for '3.15.0.120' after 6. 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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.03633551320MediaWiki->performRequest( )../MediaWiki.php:573
50.05184378744SpecialPageFactory::executePath( )../MediaWiki.php:270
60.05234432616SpecialPage->run( )../SpecialPageFactory.php:581
70.05234432984SpecialSearch->execute( )../SpecialPage.php:383
80.09415794960SpecialSearch->goResult( )../SpecialSearch.php:117
90.09895801192SearchEngine::getNearMatch( )../SpecialSearch.php:188
100.09895801944SearchEngine::getNearMatchInternal( )../SearchEngine.php:139
110.10105816944Hooks::run( )../SearchEngine.php:231
120.10115818544call_user_func_array ( )../Hooks.php:209
130.10115819248CirrusSearch\Hooks::onSearchGetNearMatch( )../Hooks.php:209
140.10155893264CirrusSearch\Searcher->nearMatchTitleSearch( )../Hooks.php:408
150.10215939288CirrusSearch\Searcher->search( )../Searcher.php:268
160.10466174392CirrusSearch\Util::doPoolCounterWork( )../Searcher.php:1079
170.10496207192PoolCounterWork->execute( )../Util.php:133
180.10516231936PoolCounterWorkViaCallback->doWork( )../PoolCounterWork.php:123
190.10516232120call_user_func_array ( )../PoolCounterWorkViaCallback.php:69
200.10516232192CirrusSearch\Util::CirrusSearch\{closure}( )../PoolCounterWorkViaCallback.php:69
210.10526234160PoolCounterWork->execute( )../Util.php:129
220.10526234808PoolCounterWorkViaCallback->doWork( )../PoolCounterWork.php:123
230.10526234992call_user_func_array ( )../PoolCounterWorkViaCallback.php:69
240.10526235112CirrusSearch\Searcher->CirrusSearch\{closure}( )../PoolCounterWorkViaCallback.php:69
250.11166349384CirrusSearch\ElasticsearchIntermediary->failure( )../Searcher.php:1063
260.11176353312wfLogWarning( )../ElasticsearchIntermediary.php:98
270.11176353592MWDebug::warning( )../GlobalFunctions.php:1247
280.11186354880MWDebug::sendMessage( )../MWDebug.php:155
290.11196355272trigger_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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.11376278512OutputPage->output( )../MediaWiki.php:583
50.11396284960OutputPage->sendCacheControl( )../OutputPage.php:2218
60.11406286256WebResponse->header( )../OutputPage.php:2134
70.11406286400header ( )../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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.11376278512OutputPage->output( )../MediaWiki.php:583
50.11396284960OutputPage->sendCacheControl( )../OutputPage.php:2218
60.11466294288WebResponse->header( )../OutputPage.php:2171
70.11466294432header ( )../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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.11376278512OutputPage->output( )../MediaWiki.php:583
50.11396284960OutputPage->sendCacheControl( )../OutputPage.php:2218
60.11526294232WebResponse->header( )../OutputPage.php:2172
70.11526294376header ( )../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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.11376278512OutputPage->output( )../MediaWiki.php:583
50.11576294232WebResponse->header( )../OutputPage.php:2220
60.11576294376header ( )../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
10.0001233896{main}( )../index.php:0
20.02573375864MediaWiki->run( )../index.php:46
30.02573377272MediaWiki->main( )../MediaWiki.php:424
40.11376278512OutputPage->output( )../MediaWiki.php:583
50.11636294384WebResponse->header( )../OutputPage.php:2227
60.11636294528header ( )../WebResponse.php:37