Ambari starts hue to report an error

View / usr/log/hue/error.log

The following problems were found

[24/Nov/2019 16:57:53] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue kt_renewer exited abnormally. Restarting it. [24/Nov/2019 16:57:53] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue runcpserver exited abnormally. Restarting it. [24/Nov/2019 16:57:54] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue runcpserver exited abnormally. Restarting it. [24/Nov/2019 16:57:54] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue kt_renewer exited abnormally. Restarting it. [24/Nov/2019 16:57:55] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue runcpserver exited abnormally. Restarting it. [24/Nov/2019 16:57:55] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue kt_renewer exited abnormally. Restarting it. [24/Nov/2019 16:57:56] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue kt_renewer has restarted more than 3 times in the last 3 seconds [24/Nov/2019 16:57:56] supervisor ERROR Process / usr/lib/hue/build/env/bin/hue runcpserver has restarted more than 3 times in the last 3 seconds

Analysis:

1. / usr/lib/hue/build/env/bin/hue kt_renewer executes this error

2. / usr/lib/hue/build/env/bin/hue runcpserver executes this error

Solution:

Execute the above two commands manually

[root@dev175 hue] # / usr/lib/hue/build/env/bin/hue kt_renewerTraceback (most recent call last): File "/ usr/lib/hue/build/env/bin/hue", line 12, in load_entry_point ('desktop==4.1.0',' console_scripts', 'hue') () File "/ usr/lib/hue/desktop/core/src/desktop/manage_entry.py", line 59 In entry execute_from_command_line (sys.argv) File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/management/__init__.py", line 399 In execute_from_command_line utility.execute () File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/management/__init__.py", line 392 In execute self.fetch_command (subcommand) .run_from_argv (self.argv) File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/management/__init__.py", line In fetch_command commands = get_commands () File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/management/__init__.py", line 107, in get_commands apps = settings.INSTALLED_APPS File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/conf/__init__.py" Line 54, in _ getattr__ self._setup (name) File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/conf/__init__.py", line 49 In _ setup self._wrapped = Settings (settings_module) File "/ usr/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/conf/__init__.py", line 132, in _ init__% (self.SETTINGS_MODULE, e) ImportError: Could not import settings' desktop.settings' (Is it on sys.path? Is there an import error in the settings file?): No module named idna

Discovery hint No module named idna

Install this module manually.

Pip install idna

Another one is the same.