XF 2.3 XenForo upgrade check failed: cURL error 35: error:0A00041A:SSL routines::tlsv1 alert decode error

[Stubentiger]

Stack trace:

#0 src/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(158): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array)
#1 src/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(110): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 src/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(47): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#3 src/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(28): GuzzleHttp\Handler\CurlHandler->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#4 src/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(48): GuzzleHttp\Handler\Proxy::GuzzleHttp\Handler\{closure}(Object(GuzzleHttp\Psr7\Request), Array)
#5 src/vendor/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php(64): GuzzleHttp\Handler\Proxy::GuzzleHttp\Handler\{closure}(Object(GuzzleHttp\Psr7\Request), Array)
#6 src/vendor/guzzlehttp/guzzle/src/Middleware.php(31): GuzzleHttp\PrepareBodyMiddleware->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#7 src/vendor/guzzlehttp/guzzle/src/RedirectMiddleware.php(71): GuzzleHttp\Middleware::GuzzleHttp\{closure}(Object(GuzzleHttp\Psr7\Request), Array)
#8 src/vendor/guzzlehttp/guzzle/src/Middleware.php(63): GuzzleHttp\RedirectMiddleware->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#9 src/vendor/guzzlehttp/guzzle/src/HandlerStack.php(75): GuzzleHttp\Middleware::GuzzleHttp\{closure}(Object(GuzzleHttp\Psr7\Request), Array)
#10 src/vendor/guzzlehttp/guzzle/src/Client.php(333): GuzzleHttp\HandlerStack->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#11 src/vendor/guzzlehttp/guzzle/src/Client.php(169): GuzzleHttp\Client->transfer(Object(GuzzleHttp\Psr7\Request), Array)
#12 src/vendor/guzzlehttp/guzzle/src/Client.php(189): GuzzleHttp\Client->requestAsync('POST', Object(GuzzleHttp\Psr7\Uri), Array)
#13 src/vendor/guzzlehttp/guzzle/src/ClientTrait.php(95): GuzzleHttp\Client->request('POST', 'https://xenforo...', Array)
#14 src/XF/Service/Upgrade/CheckerService.php(80): GuzzleHttp\Client->post('https://xenforo...', Array)
#15 src/XF/Admin/Controller/ToolsController.php(440): XF\Service\Upgrade\CheckerService->check()
#16 src/XF/Mvc/Dispatcher.php(362): XF\Admin\Controller\ToolsController->actionUpgradeCheck(Object(XF\Mvc\ParameterBag))
#17 src/XF/Mvc/Dispatcher.php(264): XF\Mvc\Dispatcher->dispatchClass('XF:Tools', 'UpgradeCheck', Object(XF\Mvc\RouteMatch), Object(XF\Admin\Controller\ToolsController), NULL)
#18 src/XF/Mvc/Dispatcher.php(121): XF\Mvc\Dispatcher->dispatchFromMatch(Object(XF\Mvc\RouteMatch), Object(XF\Admin\Controller\ToolsController), NULL)
#19 src/XF/Mvc/Dispatcher.php(63): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#20 src/XF/App.php(2826): XF\Mvc\Dispatcher->run()
#21 src/XF.php(806): XF\App->run()
#22 admin.php(15): XF::runApp('XF\\Admin\\App')
#23 {main}

Request state:

array(4) {
  ["url"] => string(30) "/admin.php?tools/upgrade-check"
  ["referrer"] => string(59) "https://example.com/admin.php?tools/upgrade-check"
  ["_GET"] => array(1) {
    ["tools/upgrade-check"] => string(0) ""
  }
  ["_POST"] => array(1) {
    ["_xfToken"] => string(8) "********"
  }
}

What steps must be taken to resolve this error? It occurs when you click on "Check for upgrades".

Thank you

 

[MentaL]

Are you using the Xen proxy?

 

[Stubentiger]

Not that I know of. Is this an add on?