timout connections from opscenter

[Paco Trujillo <F....@genetwister.nl>]

Hi

Our opscenter can not connect to the nodes, in the logs the next error appears:

2015-08-17 08:56:37+0200 [SNPaware_Cluster]  INFO: Nodes with agents that appear to be no longer running: 172.31.7.245, 172.31.7.244, 172.31.7.247, 172.31.7.246, 172.31.7.243
2015-08-17 08:56:37+0200 [SNPaware_Cluster]  INFO: Nodes with agents that appear to be no longer running: 172.31.7.245, 172.31.7.244, 172.31.7.247, 172.31.7.246, 172.31.7.243
2015-08-17 08:56:38+0200 []  INFO: Stopping factory <cassandra.io.twistedreactor.TwistedConnectionClientFactory instance at 0x7f247c5ceab8>

We have disabled the firewall in all our nodes and opscenter (in fact we have another cluster configured which is actually working). The datastasx agents (version 2.0.5) are running in all the nodes but opscenter gets a timeout, the Cassandra version we are using is 2.0.16

Have anyone a hint on this?

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