json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[tobiasduerschmid]

For autorally-01 we get this exception when analyzing the architecture.

2021-08-25 15:37:27.305 | DEBUG    | rosdiscover.recover.tool:_recover:367 - finished static recovery process
2021-08-25 15:37:27.863 | WARNING  | rosdiscover.interpreter.interpreter:_load:243 - failed to find model for node type [xbeeCoordinator] in package [autorally_core]
2021-08-25 15:37:27.864 | ERROR    | rosdiscover.interpreter.interpreter:launch:109 - failed to launch node: xbeeCoordinator
Traceback (most recent call last):

  File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 239, in _load
    model = self.models.fetch(pkg, nodetype)
            │    │      │     │    └ 'xbeeCoordinator'
            │    │      │     └ 'autorally_core'
            │    │      └ <function ProjectModels.fetch at 0x7ff1c544bf70>
            │    └ ProjectModels(config=Config(image='autorally-01', sources=('/opt/ros/indigo/setup.bash', '/bug_fix/devel/setup.bash', '/bug_f...
            └ <rosdiscover.interpreter.interpreter.Interpreter object at 0x7ff1c5521130>

  File "/home/rosqual/rosdiscover/src/rosdiscover/project/models.py", line 134, in fetch
    fetched_model = model_source(package, node)
                    │            │        └ 'xbeeCoordinator'
                    │            └ 'autorally_core'
                    └ <bound method ProjectModels._recover of ProjectModels(config=Config(image='autorally-01', sources=('/opt/ros/indigo/setup.bas...

  File "/home/rosqual/rosdiscover/src/rosdiscover/project/models.py", line 76, in _recover
    model = self._recovery_tool.recover(
            │    └ <member '_recovery_tool' of 'ProjectModels' objects>
            └ ProjectModels(config=Config(image='autorally-01', sources=('/opt/ros/indigo/setup.bash', '/bug_fix/devel/setup.bash', '/bug_f...

  File "/home/rosqual/rosdiscover/src/rosdiscover/recover/tool.py", line 281, in recover
    program = self._recover(compile_commands_path, entrypoint, sources, path_restrictions)
              │    │        │                      │           │        └ ['/bug_fix/devel/include/autorally_core', '/bug_fix/src/repo/autorally_core']
              │    │        │                      │           └ ['/bug_fix/src/repo/autorally_core/src/xbee/XbeeCoordinator.cpp', '/bug_fix/src/repo/autorally_core/src/xbee/XbeeInterface.cpp']
              │    │        │                      └ 'main'
              │    │        └ '/bug_fix/build/compile_commands.json'
              │    └ <function NodeRecoveryTool._recover at 0x7ff1c544b700>
              └ NodeRecoveryTool(_app=App(image='autorally-01', sources=('/opt/ros/indigo/setup.bash', '/bug_fix/devel/setup.bash', '/bug_fix...

  File "/home/rosqual/rosdiscover/src/rosdiscover/recover/tool.py", line 372, in _recover
    json_model = json.loads(json_model_file_contents)
                 │    │     └ ''
                 │    └ <function loads at 0x7ff1c7c52550>
                 └ <module 'json' from '/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/__init__.py'>

  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
           │                │      └ ''
           │                └ <function JSONDecoder.decode at 0x7ff1c7c3fdc0>
           └ <json.decoder.JSONDecoder object at 0x7ff1c7c3ac40>
  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
               │    │          │      │  └ ''
               │    │          │      └ <built-in method match of re.Pattern object at 0x7ff1c7f53570>
               │    │          └ ''
               │    └ <function JSONDecoder.raw_decode at 0x7ff1c7c3fe50>
               └ <json.decoder.JSONDecoder object at 0x7ff1c7c3ac40>
  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
          │                                  └ ''
          └ <class 'json.decoder.JSONDecodeError'>

json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/home/rosqual/.local/share/virtualenvs/rosdiscover-wOCQtMeJ/bin/rosdiscover", line 33, in <module>
    sys.exit(load_entry_point('rosdiscover', 'console_scripts', 'rosdiscover')())
    │   │    └ <function importlib_load_entry_point at 0x7ff1cc97d0d0>
    │   └ <built-in function exit>
    └ <module 'sys' (built-in)>

  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 233, in main
    args.func(args)
    │    │    └ Namespace(output=None, config=<_io.TextIOWrapper name='/home/rosqual/rosdiscover-evaluation/bugs/autorally-01/rd_autorally-01...
    │    └ <function launch at 0x7ff1c539ac10>
    └ Namespace(output=None, config=<_io.TextIOWrapper name='/home/rosqual/rosdiscover-evaluation/bugs/autorally-01/rd_autorally-01...

  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 59, in launch
    summary = _launch_config(args)
              │              └ Namespace(output=None, config=<_io.TextIOWrapper name='/home/rosqual/rosdiscover-evaluation/bugs/autorally-01/rd_autorally-01...
              └ <function _launch_config at 0x7ff1c5365310>

  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 54, in _launch_config
    return _launch(config)
           │       └ Config(image='autorally-01', sources=('/opt/ros/indigo/setup.bash', '/bug_fix/devel/setup.bash', '/bug_fix/src/repo/autorally...
           └ <function _launch at 0x7ff1c5367940>

  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 48, in _launch
    interpreter.launch(fn_launch)
    │           │      └ Launch(filename='/bug_fix/src/repo/autorally_core/launch/baseStation.launch', arguments={})
    │           └ <function Interpreter.launch at 0x7ff1c5454940>
    └ <rosdiscover.interpreter.interpreter.Interpreter object at 0x7ff1c5521130>

> File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 99, in launch
    self._load(pkg=node.package,
    │    │         │    └ <member 'package' of 'NodeConfig' objects>
    │    │         └ NodeConfig(namespace='/', name='xbeeCoordinator', typ='xbeeCoordinator', package='autorally_core', executable_path='/bug_fix/...
    │    └ <function Interpreter._load at 0x7ff1c5454af0>
    └ <rosdiscover.interpreter.interpreter.Interpreter object at 0x7ff1c5521130>

  File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 244, in _load
    raise Exception(m)
                    └ 'failed to find model for node type [xbeeCoordinator] in package [autorally_core]'

Exception: failed to find model for node type [xbeeCoordinator] in package [autorally_core]
2021-08-25 15:37:28.212 | DEBUG    | roswire.app.instance:close:157 - destroying app instance directory: /home/rosqual/.roswire/containers/tmppn8z9fn1
2021-08-25 15:37:28.213 | DEBUG    | roswire.app.instance:close:159 - destroyed app instance directory: /home/rosqual/.roswire/containers/tmppn8z9fn1
2021-08-25 15:37:28.576 | DEBUG    | roswire.app.instance:close:157 - destroying app instance directory: /home/rosqual/.roswire/containers/tmpqkvpysuf
2021-08-25 15:37:28.576 | DEBUG    | roswire.app.instance:close:159 - destroyed app instance directory: /home/rosqual/.roswire/containers/tmpqkvpysuf
Traceback (most recent call last):
  File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 239, in _load
    model = self.models.fetch(pkg, nodetype)
  File "/home/rosqual/rosdiscover/src/rosdiscover/project/models.py", line 134, in fetch
    fetched_model = model_source(package, node)
  File "/home/rosqual/rosdiscover/src/rosdiscover/project/models.py", line 76, in _recover
    model = self._recovery_tool.recover(
  File "/home/rosqual/rosdiscover/src/rosdiscover/recover/tool.py", line 281, in recover
    program = self._recover(compile_commands_path, entrypoint, sources, path_restrictions)
  File "/home/rosqual/rosdiscover/src/rosdiscover/recover/tool.py", line 372, in _recover
    json_model = json.loads(json_model_file_contents)
  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/home/rosqual/.pyenv/versions/3.9.6/lib/python3.9/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/rosqual/.local/share/virtualenvs/rosdiscover-wOCQtMeJ/bin/rosdiscover", line 33, in <module>
    sys.exit(load_entry_point('rosdiscover', 'console_scripts', 'rosdiscover')())
  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 233, in main
    args.func(args)
  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 59, in launch
    summary = _launch_config(args)
  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 54, in _launch_config
    return _launch(config)
  File "/home/rosqual/rosdiscover/src/rosdiscover/cli.py", line 48, in _launch
    interpreter.launch(fn_launch)
  File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 99, in launch
    self._load(pkg=node.package,
  File "/home/rosqual/rosdiscover/src/rosdiscover/interpreter/interpreter.py", line 244, in _load
    raise Exception(m)
Exception: failed to find model for node type [xbeeCoordinator] in package [autorally_core]

The entire log can be found here:
rd_autorally-01_bug_fix_out.log