Dear all

am facing an issue with my heat template . while creating stack its throwing an exception( given in below) , also verified with heat template validate command and its validated successfully without any error

kindly advise me about this situation

ERROR: 'unicode' object has no attribute 'get'

heat_template_version: 2017-02-24
description: HOT Templates for SALIM lab cloud 

parameters:
  my_key:
    type: string
    label: my-prv
    description: Key name for salim lab enviorment
  win_image:
    type: string
    label: 2012 server
    description: Windows image 
  centos_image:
    type: string
    label: centos 7 x86
    description: centos 7 linux images
  flavor_40G:
    type: string
    label: flavor-40G
    default: flavor-40G
  flavor_80G:
    type: string
    label: flavor-80G
    default: flavor-80G
    description: ORACLE and TOMCAT Server Flavour
  pub_net:
    type: string
    label: oracle and tomcat 
    description: public network name

resources:
  private_net:
    type: OS::Neutron::Net
    properties:
      name: LAB-PRV-NET1
  private_subnet:
    type: OS::Neutron::Subnet
    properties:
      network_id: { get_resource: private_net }
      cidr: 192.168.9.0/24
      gateway_ip: 192.168.9.1
  LAB_ROUTER1:
    type: OS::Neutron::Router
    properties:
      external_gateway_info: { get_param: pub_net }
  LAB_ROUTER1_INT:
    type: OS::Neutron::RouterInterface
    properties:
      router_id: { get_resource:  LAB_ROUTER1 }
      subnet_id: { get_resource: private_subnet }
  TOM1_Port1:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: private_net }
      fixed_ips:
        - subnet_id: { get_resource: private_subnet }
  TOM2_Port1:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: private_net }
      fixed_ips:
        - subnet_id: { get_resource: private_subnet }
  WIN_AD_Port1:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: private_net }
      fixed_ips:
        - subnet_id: { get_resource: private_subnet }
  TOM1_FL_IP:
    type: OS::Neutron::FloatingIP
    properties:
      floating_network_id: { get_param: pub_net }
      port_id: { get_resource: TOM1_Port1 }
  TOM2_FL_IP:
    type: OS::Neutron::FloatingIP
    properties:
      floating_network_id: { get_param: pub_net}
      port_id: { get_resource: TOM2_Port1 }
  WIN_AD_FL_IP:
    type: OS::Neutron::FloatingIP
    properties:
      floating_network_id: { get_param: pub_net }
      port_id: { get_resource: WIN_AD_Port1 }
  TOM1_SERVER1:
    type: OS::Nova::Server
    properties:
      name: APP2
      image: { get_param: centos_image }
      flavor: { get_param: flavor_40G }
      networks:
       - port: { get_resource: tom1_Port1}
  TOM2_SERVER1:
    type: OS::Nova::Server
    properties:
      name: APP1
      image: { get_param: centos_image }
      flavor: {get_param: flavor-40G }
      networks:
        - port: {get_resource: TOM2_Port1 }

  WIN-AD1:
    type: OS::Nova::Server
    properties:
      name:   win-AD
      image: { get_param: win_image }
      flavor: { get_param: flavor-40G }
      networks:
        - port: {get_resource: WIN_AD_Port1 }

outputs:
  TOM1_PRV_IP:
    description: Private ip For TOM1 Server
    value: { get_attr: [TOM1_SERVER1, first_address] }
  TOM2_PRV_IP:
    description: Private ip FOR tom2 Server
    value: { get_attr: [TOM2_SERVER1, first_address] }
  WIN-AD_prv_IP:
    description: Private iP FOR WIN AD Server
    value: { get_attr: [WIN-AD1, first_address] }

  TOM2_PUB_IP:
    description: Public ip for APP
    value: { get_attr: [TOM2_FL_IP, floating_ip_address] }

  TOM1_PUB_IP:
    description: Public IP FOR TOM1-SERVER
    value: { get_attr: [TOM1_FL_IP, floating_ip_address] }

  WIN_AD_PUB_IP:
    description: Public ip for WIN Server
    value: {get_attr: [WIN_AD_FL_IP, floating_ip_address] }

ERROR LOG details

2017-09-14 10:20:54.977 2735 INFO eventlet.wsgi.server [req-0e84ce74-a51e-45e1-9ebf-093b7022ad38 - admin - - -] 192.168.8.116 - - [14/Sep/2017 10:20:54] "POST /v1/139aa024373b4d4d99cf706508465f1a/validate HTTP/1.1" 200 767 0.389691
2017-09-14 10:25:48.389 2738 ERROR heat.common.wsgi [req-2fa7f6ca-812b-4fa1-8151-94d9a019900c - admin - - -] Unexpected error occurred serving API: 'unicode' object has no attribute 'get'
Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 155, in _process_incoming
    res = self.dispatcher.dispatch(message)

  File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 222, in dispatch
    return self._do_dispatch(endpoint, method, ctxt, args)

  File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 192, in _do_dispatch
    result = func(ctxt, **new_args)

  File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in ...