UnavailableException is a server side error, whats the full error message ?
Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 17/07/2012, at 5:31 AM, Guy Incognito wrote: > i'm doing an upgrade of Cassandra 0.7 to 1.0 at the moment, and as part of > the preparation i'm upgrading to 1.0 client libraries (we use Hector 1.0-5) > prior to upgrading the cluster itself. I'm seeing some of our integration > tests against the dev 0.7 cluster fail as they get UnavailableExceptions when > trying to truncate the test column families. This is new behaviour with the > 1.0 client libraries, it doesn't happen with the 0.7 libraries. > > It seems to fail immediately, it doesn't eg wait for eg the 10 second RPC > timeout, it fails straight away. Anyone have any ideas as to what may be > happening? Interestingly I seem to be able to get around it if i only tell > Hector about one of the nodes (we have 4). If I give it all four then it > throws the UnavailableException.