Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/hook.py", line 37, in <module>
    BeforeInstallHook().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 219, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/hook.py", line 33, in hook
    install_repos()
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/repo_initialization.py", line 62, in install_repos
    _alter_repo("create", params.repo_info, template)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-INSTALL/scripts/repo_initialization.py", line 31, in _alter_repo
    repo_dicts = json.loads(repo_string)
  File "/usr/lib/python2.6/site-packages/ambari_simplejson/__init__.py", line 307, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.6/site-packages/ambari_simplejson/decoder.py", line 335, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.6/site-packages/ambari_simplejson/decoder.py", line 358, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded