perfSONAR User Q&A and Other Discussion

[Trond Endrestøl <>]

On Thu, 5 Oct 2017 08:31-0700, Andrew Lake wrote:

> How about anything in any of the files under /var/log/esmond/?

Recent log files for esmond are attached for anyone knowledgeable to 
grok. install.log is empty.

Logging in as root (using su) on one of my nodes revealed:

ABRT has detected 1 problem(s). For more info run: abrt-cli list --since 
1507185892

[root@perfsonar ~]# abrt-cli list --since 1507185892
id 994a88e8eff586a98ff71a614bcd25756aaf3f68
reason:         pidfile.py:42:__exit__:OSError: [Errno 13] Permission denied: 
'/var/run/pscheduler-ticker.pid'
time:           Fri 06 Oct 2017 06:10:25 AM CEST
cmdline:        /usr/bin/python /usr/libexec/pscheduler/daemons/ticker 
--daemon --pid-file /var/run/pscheduler-ticker.pid --dsn 
@/etc/pscheduler/database/database-dsn
package:        pscheduler-server-1.0.1.1-1.el7.centos
uid:            1000 (pscheduler)
count:          8
Directory:      /var/spool/abrt/Python-2017-10-06-06:10:25-1639

The Autoreporting feature is disabled. Please consider enabling it by issuing
'abrt-auto-reporting enabled' as a user with root privileges

[root@perfsonar ~]# ll /var/run/pscheduler-ticker.pid
-rw-r--r-- 1 pscheduler pscheduler 4 Oct  6 06:13 
/var/run/pscheduler-ticker.pid
[root@perfsonar ~]# ll /var/run
lrwxrwxrwx. 1 root root 6 Oct  4 15:58 /var/run -> ../run
[root@perfsonar ~]# ll -d /run
drwxr-xr-x 35 root root 1280 Oct  6 08:03 /run
[root@perfsonar ~]# 

> Also maybe be worth just trying a restart of cassandra: systemctl 
> restart cassandra

I have done that to no avail.

It seems all processes are up & running, yet they are not able to talk 
to one another.

-- 
Trond.2017-10-04 16:34:05,359 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 16:44:50,942 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 16:46:40,919 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 17:47:20,577 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 17:47:55,307 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 18:49:40,757 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:00:09,658 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:01:50,752 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:11:40,731 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:11:49,971 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:12:06,576 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:13:15,277 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 19:13:22,980 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-05 16:40:39,878 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-06 08:46:02,189 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-06 08:46:37,922 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-06 08:47:55,928 [ERROR] 
/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py: 
Internal Server Error: /esmond/perfsonar/archive/
Traceback (most recent call last):
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/handlers/base.py", 
line 119, in get_response
    resolver_match = resolver.resolve(request.path_info)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 365, in resolve
    for pattern in self.url_patterns:
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 401, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", 
self.urlconf_module)
  File 
"/usr/lib/esmond/lib/python2.7/site-packages/django/core/urlresolvers.py", 
line 395, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/esmond/esmond/urls.py", line 27, in <module>
    from esmond.api.perfsonar.api_v2 import (
  File "/usr/lib/esmond/esmond/api/perfsonar/api_v2.py", line 65, in <module>
    raise ConnectionException(error_msg)
ConnectionException: 'Unable to connect to cassandra. Please verify cassandra 
is running.'
2017-10-04 16:34:05,359 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 16:34:05,378 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 16:44:50,941 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 16:44:50,945 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 16:46:40,919 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 16:46:40,922 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 17:47:20,570 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 17:47:20,590 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 17:47:55,307 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 17:47:55,309 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 18:49:40,756 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 18:49:40,759 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:00:09,658 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:00:09,661 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:01:50,752 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:01:50,755 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:11:40,723 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:11:40,744 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:11:49,971 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:11:49,974 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:12:06,576 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:12:06,579 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:13:15,277 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:13:15,280 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:13:22,980 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-04 19:13:22,983 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-05 16:40:39,878 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-05 16:40:39,881 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:46:02,189 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:46:02,192 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:46:37,921 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:46:37,924 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:47:55,928 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.
2017-10-06 08:47:55,930 [ERROR] 
/usr/lib/esmond/esmond/api/perfsonar/api_v2.py: Unable to connect to 
cassandra. Please verify cassandra is running.