Index: typo3/sysext/install/mod/class.tx_install_session.php =================================================================== --- typo3/sysext/install/mod/class.tx_install_session.php (revision 8459) +++ typo3/sysext/install/mod/class.tx_install_session.php (working copy) @@ -86,7 +86,7 @@ $sessionSavePath = $this->getSessionSavePath(); if (!is_dir($sessionSavePath)) { if (!t3lib_div::mkdir($sessionSavePath)) { - die('Could not create session folder in typo3temp/. Make sure it is writeable!'); + throw new Exception('
Could not create session folder in typo3temp/.
Make sure it is writeable!
'); } t3lib_div::writeFile($sessionSavePath.'/.htaccess', 'Order deny, allow'."\n".'Deny from all'."\n"); $indexContent = ''; @@ -113,6 +113,16 @@ if (version_compare(phpversion(), '5.2', '<')) { ini_set('session.cookie_httponly', TRUE); } + if (ini_get('session.auto_start')) { + $sessionCreationError = 'Error: session.auto-start is enabled
'; + $sessionCreationError .= 'The PHP option session.auto-start is enabled. Disable this option in php.ini or .htaccess:
'; + $sessionCreationError .= 'php_value session.auto_start Off'; + throw new Exception($sessionCreationError); + } else if (defined('SID')) { + $sessionCreationError = '
Error: Session already started by session_start().
'; + $sessionCreationError .= 'Make sure no installed extension is starting a session in its ext_localconf.php or ext_tables.php.
'; + throw new Exception($sessionCreationError); + } session_start(); } Index: typo3/sysext/install/mod/class.tx_install.php =================================================================== --- typo3/sysext/install/mod/class.tx_install.php (revision 8459) +++ typo3/sysext/install/mod/class.tx_install.php (working copy) @@ -309,7 +309,12 @@ die('Install Tool needs to write to typo3temp/. Make sure this directory is writeable by your webserver: '. $this->typo3temp_path); } - $this->session = t3lib_div::makeInstance('tx_install_session'); + try { + $this->session = t3lib_div::makeInstance('tx_install_session'); + } catch (Exception $exception) { + $this->outputErrorAndExit($exception->getMessage()); + + } // ******************* // Check authorization @@ -2638,8 +2643,8 @@ */ function getGDSoftwareInfo() { return trim(' - You can get GDLib in the PNG version from ' . $this->linkIt('http://www.libgd.org/') . - '.