Trace:

array(3) {
  [0]=>
  array(6) {
    ["file"]=>
    string(69) "/root/content/CRM2.1.1.8_dealerdemo/library/Zend/Controller/Front.php"
    ["line"]=>
    int(945)
    ["function"]=>
    string(8) "dispatch"
    ["class"]=>
    string(35) "Zend_Controller_Dispatcher_Standard"
    ["type"]=>
    string(2) "->"
    ["args"]=>
    array(2) {
      [0]=>
      object(Zend_Controller_Request_Http)#65 (14) {
        ["_paramSources:protected"]=>
        array(2) {
          [0]=>
          string(4) "_GET"
          [1]=>
          string(5) "_POST"
        }
        ["_requestUri:protected"]=>
        string(11) "/robots.txt"
        ["_baseUrl:protected"]=>
        string(0) ""
        ["_basePath:protected"]=>
        NULL
        ["_pathInfo:protected"]=>
        string(11) "/robots.txt"
        ["_params:protected"]=>
        array(3) {
          ["controller"]=>
          string(10) "robots.txt"
          ["action"]=>
          string(5) "index"
          ["module"]=>
          string(8) "txtCodes"
        }
        ["_aliases:protected"]=>
        array(0) {
        }
        ["_dispatched:protected"]=>
        bool(true)
        ["_module:protected"]=>
        string(8) "txtCodes"
        ["_moduleKey:protected"]=>
        string(6) "module"
        ["_controller:protected"]=>
        string(10) "robots.txt"
        ["_controllerKey:protected"]=>
        string(10) "controller"
        ["_action:protected"]=>
        string(5) "index"
        ["_actionKey:protected"]=>
        string(6) "action"
      }
      [1]=>
      object(Zend_Controller_Response_Http)#86 (8) {
        ["_body:protected"]=>
        array(0) {
        }
        ["_exceptions:protected"]=>
        array(0) {
        }
        ["_headers:protected"]=>
        array(0) {
        }
        ["_headersRaw:protected"]=>
        array(0) {
        }
        ["_httpResponseCode:protected"]=>
        int(200)
        ["_isRedirect:protected"]=>
        bool(false)
        ["_renderExceptions:protected"]=>
        bool(false)
        ["headersSentThrowsException"]=>
        bool(true)
      }
    }
  }
  [1]=>
  array(6) {
    ["file"]=>
    string(61) "/root/content/CRM2.1.1.8_dealerdemo/application/Dtx_Store.php"
    ["line"]=>
    int(33)
    ["function"]=>
    string(8) "dispatch"
    ["class"]=>
    string(21) "Zend_Controller_Front"
    ["type"]=>
    string(2) "->"
    ["args"]=>
    array(0) {
    }
  }
  [2]=>
  array(6) {
    ["file"]=>
    string(52) "/root/content/CRM2.1.1.8_dealerdemo/public/index.php"
    ["line"]=>
    int(8)
    ["function"]=>
    string(3) "run"
    ["class"]=>
    string(9) "Dtx_Store"
    ["type"]=>
    string(2) "::"
    ["args"]=>
    array(0) {
    }
  }
}