DataStax Support Forums » Tag: pycassa

DataStax Support Forums » Tag: pycassa - Recent Posts http://www.datastax.com/support-forums/tags/pycassa Software, Support, and Training for Apache Cassandra en-US Sat, 25 May 2013 17:25:55 +0000 http://bbpress.org/?v=1.0.3 <![CDATA[Search]]> q http://www.datastax.com/support-forums/search.php nickmbailey on "pycassa.pool.MaximumRetryException: Retried 6 times." http://www.datastax.com/support-forums/topic/pycassapoolmaximumretryexception-retried-6-times#post-860 Thu, 15 Dec 2011 20:18:21 +0000 nickmbailey 860@http://www.datastax.com/support-forums/ This appears to be a normal Unavailable Exception. That will be thrown if there are not enough nodes up in the cluster to meet the requested consistency level. Are some of the nodes in your cluster currently down? Anonymous on "pycassa.pool.MaximumRetryException: Retried 6 times." http://www.datastax.com/support-forums/topic/pycassapoolmaximumretryexception-retried-6-times#post-851 Wed, 14 Dec 2011 17:18:41 +0000 Anonymous 851@http://www.datastax.com/support-forums/ Anyone got any ideas on this? It seems to be related to a disconnected network or vpn link. Anonymous on "Twissandra Github project" http://www.datastax.com/support-forums/topic/twissandra-github-project#post-799 Sat, 03 Dec 2011 07:54:21 +0000 Anonymous 799@http://www.datastax.com/support-forums/ I have run Twissandra project and it is working fine but the problem is when i ADD tweet the error occurs ... Environment: Request Method: POST Request URL: <a href="http://127.0.0.1:8000/" rel="nofollow">http://127.0.0.1:8000/</a> Django Version: 1.3.1 Python Version: 2.7.2 Installed Applications: ['django.contrib.sessions', 'tweets', 'users'] Installed Middleware: ('django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'users.middleware.UserMiddleware') Traceback: File "C:\Python27\lib\site-packages\django\core\handlers\base.py" in get_response 111. response = callback(request, *callback_args, **callback_kwargs) File "C:\Users\Muhammad Umair\workspace\Twissandra\src\Twissandra\tweets\views.py" in timeline 20. 'body': form.cleaned_data['body'], File "C:\Users\Muhammad Umair\workspace\Twissandra\src\Twissandra\cass.py" in save_tweet 216. USERLINE.insert(str(username), {ts: str(tweet_id)}) File "C:\Python27\lib\site-packages\pycassa-1.3.0-py2.7.egg\pycassa\columnfamily.py" in insert 860. colval = self._pack_value(columns.values()[0], colname) File "C:\Python27\lib\site-packages\pycassa-1.3.0-py2.7.egg\pycassa\columnfamily.py" in _pack_value 428. return packer(value) File "C:\Python27\lib\site-packages\pycassa-1.3.0-py2.7.egg\pycassa\marshal.py" in pack_uuid 202. randomize=True) File "C:\Python27\lib\site-packages\pycassa-1.3.0-py2.7.egg\pycassa\util.py" in convert_time_to_uuid 66. 'neither a UUID, a datetime, or a number') Exception Type: ValueError at / Exception Value: Argument for a v1 UUID column name or value was neither a UUID, a datetime, or a number please help me out in it it is very urgent Anonymous on "pycassa.pool.MaximumRetryException: Retried 6 times." http://www.datastax.com/support-forums/topic/pycassapoolmaximumretryexception-retried-6-times#post-776 Tue, 29 Nov 2011 02:32:07 +0000 Anonymous 776@http://www.datastax.com/support-forums/ Some key parts of the smdgen4a.py file: import pycassa from pycassa.pool import ConnectionPool pool = ConnectionPool('KeySpace_SMD1', ['192.168.1.104:9160', '192.168.1.105:9160', '192.168.1.106:9160', '192.168.1.107:9160', '192.168.1.108:9160', '192.168.1.109:9160', '192.168.1.110:9160', '192.168.1.111:9160']) col_fam = pycassa.ColumnFamily(pool, 'ColumnFamily_SMD1') ... b = col_fam.batch() ... b.insert(str(rowkey_ID), {str(column_timestamp):str(value_meter)}) b.send() Anonymous on "pycassa.pool.MaximumRetryException: Retried 6 times." http://www.datastax.com/support-forums/topic/pycassapoolmaximumretryexception-retried-6-times#post-775 Tue, 29 Nov 2011 02:26:17 +0000 Anonymous 775@http://www.datastax.com/support-forums/ Could anyone help explain what this means? Any suggestions for resolution? Here is the error (using Pycassa 1.3.0, DSE 1.0 & Ubuntu Lucid 10.4): ...$ python smdgen4a.py Traceback (most recent call last): File "smdgen4a.py", line 128, in <module> b.insert(str(meterID), {str(timestamp):str(metervalue)}) File "/usr/local/lib/python2.6/dist-packages/pycassa/batch.py", line 195, in insert timestamp=timestamp, ttl=ttl) File "/usr/local/lib/python2.6/dist-packages/pycassa/batch.py", line 147, in insert self._enqueue(packed_key, column_family, mut_list) File "/usr/local/lib/python2.6/dist-packages/pycassa/batch.py", line 110, in _enqueue self.send() File "/usr/local/lib/python2.6/dist-packages/pycassa/batch.py", line 127, in send conn.batch_mutate(mutations, write_consistency_level) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 145, in new_f return new_f(self, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 145, in new_f return new_f(self, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 145, in new_f return new_f(self, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 145, in new_f return new_f(self, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 145, in new_f return new_f(self, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/pycassa/pool.py", line 140, in new_f (self._retry_count, exc.__class__.__name__, exc)) pycassa.pool.MaximumRetryException: Retried 6 times. Last failure was UnavailableException : UnavailableException()