AppserverIo\Appserver\Core\AbstractContainerThread::validateDirectories PHP Method

    protected function validateDirectories()
    {
        // query whether the container's application directory is available and readable
        $appBase = $this->getAppBase();
        if (!is_dir($appBase) || !is_readable($appBase)) {
            $this->getInitialContext()->getSystemLogger()->critical(sprintf('Base directory (appBase) %s of container %s is no directory or not readable, can\'t deploy applications', $appBase, $this->getName()));
        }
        // query whether the container's temporary directory is available and readable
        $tmpDir = $this->getTmpDir();
        if (!is_dir($tmpDir) || !is_readable($tmpDir)) {
            $this->getInitialContext()->getSystemLogger()->critical(sprintf('Temporary directory (tmpDir) %s of container %s is no directory or not readable!', $tmpDir, $this->getName()));
        }
    }