Version-Release number of selected component: docker-compose-1.4.2-1.fc23 Additional info: reporter: libreport-2.6.3 cmdline: /usr/bin/python2 /usr/bin/docker-compose -f demo-compose.yml up dso_list: PyYAML-3.11-9.fc23.x86_64 executable: /usr/bin/docker-compose kernel: 4.2.6-301.fc23.x86_64 runlevel: N 5 type: Python uid: 1000 Truncated backtrace: parser.py:439:parse_block_mapping_key:ParserError: while parsing a block mapping in "./demo-compose.yml", line 1, column 1 expected <block end>, but found '<block mapping start>' in "./demo-compose.yml", line 3, column 3 Traceback (most recent call last): File "/usr/bin/docker-compose", line 9, in <module> load_entry_point('docker-compose==1.4.2', 'console_scripts', 'docker-compose')() File "/usr/lib/python2.7/site-packages/compose/cli/main.py", line 39, in main command.sys_dispatch() File "/usr/lib/python2.7/site-packages/compose/cli/docopt_command.py", line 21, in sys_dispatch self.dispatch(sys.argv[1:], None) File "/usr/lib/python2.7/site-packages/compose/cli/command.py", line 27, in dispatch super(Command, self).dispatch(*args, **kwargs) File "/usr/lib/python2.7/site-packages/compose/cli/docopt_command.py", line 24, in dispatch self.perform_command(*self.parse(argv, global_options)) File "/usr/lib/python2.7/site-packages/compose/cli/command.py", line 57, in perform_command verbose=options.get('--verbose')) File "/usr/lib/python2.7/site-packages/compose/cli/command.py", line 73, in get_project config_details = config.find(self.base_dir, config_path) File "/usr/lib/python2.7/site-packages/compose/config.py", line 107, in find return ConfigDetails(load_yaml(filename), os.path.dirname(filename), filename) File "/usr/lib/python2.7/site-packages/compose/config.py", line 558, in load_yaml return yaml.safe_load(fh) File "/usr/lib64/python2.7/site-packages/yaml/__init__.py", line 93, in safe_load return load(stream, SafeLoader) File "/usr/lib64/python2.7/site-packages/yaml/__init__.py", line 71, in load return loader.get_single_data() File "/usr/lib64/python2.7/site-packages/yaml/constructor.py", line 37, in get_single_data node = self.get_single_node() File "/usr/lib64/python2.7/site-packages/yaml/composer.py", line 36, in get_single_node document = self.compose_document() File "/usr/lib64/python2.7/site-packages/yaml/composer.py", line 55, in compose_document node = self.compose_node(None, None) File "/usr/lib64/python2.7/site-packages/yaml/composer.py", line 84, in compose_node node = self.compose_mapping_node(anchor) File "/usr/lib64/python2.7/site-packages/yaml/composer.py", line 127, in compose_mapping_node while not self.check_event(MappingEndEvent): File "/usr/lib64/python2.7/site-packages/yaml/parser.py", line 98, in check_event self.current_event = self.state() File "/usr/lib64/python2.7/site-packages/yaml/parser.py", line 439, in parse_block_mapping_key "expected <block end>, but found %r" % token.id, token.start_mark) ParserError: while parsing a block mapping in "./demo-compose.yml", line 1, column 1 expected <block end>, but found '<block mapping start>' in "./demo-compose.yml", line 3, column 3 Local variables in innermost frame: token: BlockMappingStartToken() self: <yaml.loader.SafeLoader object at 0x7f7ecacb4a50>
Created attachment 1116140 [details] File: backtrace
Created attachment 1116141 [details] File: environ
It doesn't seem to like your yaml file. Is its syntax correct? Can you reproduce this on the current version of docker-compose?
After upgrading to docker-compose-1.5.2-4.fc23 I can not recreate the error. Closing.