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Joy Gao commented on AIRFLOW-2414: ---------------------------------- Hmm interesting: {code:java} if ti is None: logs = ["*** Task instance did not exist in the DB\n"] else: logger = logging.getLogger('airflow.task') task_log_reader = conf.get('core', 'task_log_reader') handler = next((handler for handler in logger.handlers if handler.name == task_log_reader), None) try: ti.task = dag.get_task(ti.task_id) logs = handler.read(ti) except AttributeError as e: logs = ["Task log handler {} does not support read logs.\n{}\n".format(task_log_reader, str(e))] for i, log in enumerate(logs): if PY2 and not isinstance(log, unicode): logs[i] = log.decode('utf-8') {code} ``` Log should be string, wondering if this bug is related to subdags? can you print out the list object and see what it contains? > Fix RBAC log display > -------------------- > > Key: AIRFLOW-2414 > URL: https://issues.apache.org/jira/browse/AIRFLOW-2414 > Project: Apache Airflow > Issue Type: Bug > Components: webserver > Affects Versions: 1.10.0 > Reporter: Oleg Yamin > Assignee: Oleg Yamin > Priority: Major > Fix For: 1.10.0 > > > Getting the following error when trying to view the log file in new RBAC UI. > {code:java} > [2018-05-02 17:49:47,716] ERROR in app: Exception on /log [GET] > Traceback (most recent call last): > File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1982, in > wsgi_app > response = self.full_dispatch_request() > File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1614, in > full_dispatch_request > rv = self.handle_user_exception(e) > File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1517, in > handle_user_exception > reraise(exc_type, exc_value, tb) > File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1612, in > full_dispatch_request > rv = self.dispatch_request() > File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1598, in > dispatch_request > return self.view_functions[rule.endpoint](**req.view_args) > File > "/usr/lib/python2.7/site-packages/flask_appbuilder/security/decorators.py", > line 26, in wraps > return f(self, *args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/www_rbac/decorators.py", line > 55, in wrapper > return f(*args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/utils/db.py", line 74, in > wrapper > return func(*args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/www_rbac/views.py", line 456, > in log > logs = log.decode('utf-8') > AttributeError: 'list' object has no attribute 'decode'{code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)