TYPO3 Core

The EM hangs with the error message. I cannot even start the Install Tool.

Uncaught TYPO3 Exception
#1289386765: Could not analyse class:TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper maybe not loaded or no autoloader? (More information)

TYPO3\CMS\Extbase\Object\Container\Exception\UnknownObjectException thrown in file
/path/typo3_src-6.2.26/typo3/sysext/extbase/Classes/Object/Container/ClassInfoFactory.php in line 37.

17 TYPO3\CMS\Extbase\Object\Container\ClassInfoFactory::buildClassInfoFromClassName("TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper")

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Object/Container/Container.php:

00332:   $classInfo = $this->getClassInfoCache()->get($classNameHash);
00333:   if (!$classInfo instanceof \TYPO3\CMS\Extbase\Object\Container\ClassInfo) {

00334:    $classInfo = $this->getClassInfoFactory()->buildClassInfoFromClassName($className);

00335:    $this->getClassInfoCache()->set($classNameHash, $classInfo);
00336:   }

16 TYPO3\CMS\Extbase\Object\Container\Container::getClassInfo("TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper")

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Object/Container/Container.php:

00174:    return $this->singletonInstances[$className];
00175:   }

00176:   $classInfo = $this->getClassInfo($className);

00177:   $classIsSingleton = $classInfo->getIsSingleton();
00178:   if (!$classIsSingleton) {

15 TYPO3\CMS\Extbase\Object\Container\Container::getInstanceInternal("TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper", array)

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Object/Container/Container.php:

00123:  public function getInstance($className, $givenConstructorArguments = array()) {
00124:   $this->prototypeObjectsWhichAreCurrentlyInstanciated = array();

00125:   return $this->getInstanceInternal($className, $givenConstructorArguments);

00126:  }
00127: 

14 TYPO3\CMS\Extbase\Object\Container\Container::getInstance("TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper", array)

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Object/ObjectManager.php:

00092:    $instance = call_user_func_array(array('TYPO3\\CMS\\Core\\Utility\\GeneralUtility', 'makeInstance'), $arguments);
00093:   } else {

00094:    $instance = $this->objectContainer->getInstance($objectName, $arguments);

00095:   }
00096:   return $instance;

13 TYPO3\CMS\Extbase\Object\ObjectManager::get("TYPO3\CMS\Extensionmanager\ViewHelpers\ToggleExtensionInstallationStateViewHelper")

/path//typo3_src-6.2.26/typo3/sysext/fluid/Classes/Core/Parser/TemplateParser.php:

00488:    throw new \TYPO3\CMS\Fluid\Core\Parser\Exception('Namespace could not be resolved. This exception should never be thrown!', 1224254792);
00489:   }

00490:   $viewHelper = $this->objectManager->get($this->resolveViewHelperName($namespaceIdentifier, $methodIdentifier));

00491:   $this->viewHelperNameToImplementationClassNameRuntimeCache[$namespaceIdentifier][$methodIdentifier] = get_class($viewHelper);
00492: 

12 TYPO3\CMS\Fluid\Core\Parser\TemplateParser::initializeViewHelperAndAddItToStack(TYPO3\CMS\Fluid\Core\Parser\ParsingState, "em", "toggleExtensionInstallationState", array)

/path//typo3_src-6.2.26/typo3/sysext/fluid/Classes/Core/Parser/TemplateParser.php:

00465:  protected function openingViewHelperTagHandler(\TYPO3\CMS\Fluid\Core\Parser\ParsingState $state, $namespaceIdentifier, $methodIdentifier, $arguments, $selfclosing) {
00466:   $argumentsObjectTree = $this->parseArguments($arguments);

00467:   $this->initializeViewHelperAndAddItToStack($state, $namespaceIdentifier, $methodIdentifier, $argumentsObjectTree);

00468: 
00469:   if ($selfclosing) {

11 TYPO3\CMS\Fluid\Core\Parser\TemplateParser::openingViewHelperTagHandler(TYPO3\CMS\Fluid\Core\Parser\ParsingState, "em", "toggleExtensionInstallationState", " extension="{extension}" ", boolean)

/path//typo3_src-6.2.26/typo3/sysext/fluid/Classes/Core/Parser/TemplateParser.php:

00439:     $this->textHandler($state, $matchedVariables[1]);
00440:    } elseif (preg_match($regularExpression_openingViewHelperTag, $templateElement, $matchedVariables) > 0) {

00441:     $this->openingViewHelperTagHandler($state, $matchedVariables['NamespaceIdentifier'], $matchedVariables['MethodIdentifier'], $matchedVariables['Attributes'], ($matchedVariables['Selfclosing'] === '' ? FALSE : TRUE));

00442:    } elseif (preg_match($regularExpression_closingViewHelperTag, $templateElement, $matchedVariables) > 0) {
00443:     $this->closingViewHelperTagHandler($state, $matchedVariables['NamespaceIdentifier'], $matchedVariables['MethodIdentifier']);

10 TYPO3\CMS\Fluid\Core\Parser\TemplateParser::buildObjectTree(array, 2)

/path//typo3_src-6.2.26/typo3/sysext/fluid/Classes/Core/Parser/TemplateParser.php:

00331:   $splitTemplate = $this->splitTemplateAtDynamicTags($templateString);
00332: 

00333:   $parsingState = $this->buildObjectTree($splitTemplate, self::CONTEXT_OUTSIDE_VIEWHELPER_ARGUMENTS);

00334: 
00335:   $variableContainer = $parsingState->getVariableContainer();

9 TYPO3\CMS\Fluid\Core\Parser\TemplateParser::parse("↵↵<f:layout name="main" />↵↵<f:section name="doche…>↵            </f:for>↵        </tbody>↵    </table>↵</f:section>↵↵↵")

/path//typo3_src-6.2.26/typo3/sysext/fluid/Classes/View/AbstractTemplateView.php:

00162:    $parsedTemplate = $this->templateCompiler->get($templateIdentifier);
00163:   } else {

00164:    $parsedTemplate = $this->templateParser->parse($this->getTemplateSource($actionName));

00165:    if ($parsedTemplate->isCompilable()) {
00166:     $this->templateCompiler->store($templateIdentifier, $parsedTemplate);

8 TYPO3\CMS\Fluid\View\AbstractTemplateView::render()

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php:

00326:   }
00327:   if ($actionResult === NULL && $this->view instanceof ViewInterface) {

00328:    $this->response->appendContent($this->view->render());

00329:   } elseif (is_string($actionResult) && strlen($actionResult) > 0) {
00330:    $this->response->appendContent($actionResult);

7 TYPO3\CMS\Extbase\Mvc\Controller\ActionController::callActionMethod()

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php:

00156:    $this->initializeView($this->view);
00157:   }

00158:   $this->callActionMethod();

00159:  }
00160: 

6 TYPO3\CMS\Extbase\Mvc\Controller\ActionController::processRequest(TYPO3\CMS\Extbase\Mvc\Web\Request, TYPO3\CMS\Extbase\Mvc\Web\Response)

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Mvc/Dispatcher.php:

00067:    $controller = $this->resolveController($request);
00068:    try {

00069:     $controller->processRequest($request, $response);

00070:    } catch (\TYPO3\CMS\Extbase\Mvc\Exception\StopActionException $ignoredException) {
00071:    }

5 TYPO3\CMS\Extbase\Mvc\Dispatcher::dispatch(TYPO3\CMS\Extbase\Mvc\Web\Request, TYPO3\CMS\Extbase\Mvc\Web\Response)

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Mvc/Web/BackendRequestHandler.php:

00031:   /** @var $response \TYPO3\CMS\Extbase\Mvc\ResponseInterface */
00032:   $response = $this->objectManager->get('TYPO3\\CMS\\Extbase\\Mvc\\Web\\Response');

00033:   $this->dispatcher->dispatch($request, $response);

00034:   return $response;
00035:  }

4 TYPO3\CMS\Extbase\Mvc\Web\BackendRequestHandler::handleRequest()

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Core/Bootstrap.php:

00193:   $requestHandler = $requestHandlerResolver->resolveRequestHandler();
00194: 

00195:   $response = $requestHandler->handleRequest();

00196:   // If response is NULL after handling the request we need to stop
00197:   // This happens for instance, when a USER object was converted to a USER_INT

3 TYPO3\CMS\Extbase\Core\Bootstrap::handleRequest()

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Core/Bootstrap.php:

00182:  public function run($content, $configuration) {
00183:   $this->initialize($configuration);

00184:   return $this->handleRequest();

00185:  }
00186: 

2 TYPO3\CMS\Extbase\Core\Bootstrap::run("", array)

/path//typo3_src-6.2.26/typo3/sysext/extbase/Classes/Core/ModuleRunner.php:

00066: 
00067:   $bootstrap = $this->objectManager->get('TYPO3\\CMS\\Extbase\\Core\\BootstrapInterface');

00068:   $content = $bootstrap->run('', $configuration);

00069:   print $content;
00070: 

1 TYPO3\CMS\Extbase\Core\ModuleRunner::callModule("tools_ExtensionmanagerExtensionmanager")

/path//typo3_src-6.2.26/typo3/mod.php:

00036:   foreach ($TBE_MODULES['_dispatcher'] as $dispatcherClassName) {
00037:    $dispatcher = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\Object\\ObjectManager')->get($dispatcherClassName);

00038:    if ($dispatcher->callModule($moduleName) === TRUE) {

00039:     $isDispatched = TRUE;
00040:     break;