Re: NoHostAvailableException coming up on our server

2016-07-13 Thread Abhinav Solan
Thanks a lot for suggestion Romain, I have done the setup to see the driver logs, but haven't seen that error again. Also thanks for the MaxRequestPerConnection tip, I will change it to 32K. Regards, Abhinav On Wed, Jul 13, 2016 at 1:02 PM Romain Hardouin wrote: > Put the driver logs in debug m

Re: NoHostAvailableException coming up on our server

2016-07-13 Thread Romain Hardouin
Put the driver logs in debug mode to see what's happen.Btw I am surprised by the few requests by connections in your setup: .setConnectionsPerHost(HostDistance.LOCAL, 20, 20) .setMaxRequestsPerConnection(HostDistance.LOCAL, 128) It looks like a protocol v2 settings (Cassandra 2.0

Re: NoHostAvailableException coming up on our server

2016-07-12 Thread Abhinav Solan
I am using 3.0.0 version over apache-cassandra-3.3 On Tue, Jul 12, 2016 at 2:37 PM Riccardo Ferrari wrote: > What driver version are you using? > > You can look at the LoggingRetryPolicy to have more meaningful messages in > your logs. > > best, > > On Tue, Jul 12, 2016 at 9:02 PM, Abhinav Solan

Re: NoHostAvailableException coming up on our server

2016-07-12 Thread Riccardo Ferrari
What driver version are you using? You can look at the LoggingRetryPolicy to have more meaningful messages in your logs. best, On Tue, Jul 12, 2016 at 9:02 PM, Abhinav Solan wrote: > Thanks, Johnny > Actually, they were running .. it went through a series of read and writes > .. and recovered

Re: NoHostAvailableException coming up on our server

2016-07-12 Thread Abhinav Solan
Thanks, Johnny Actually, they were running .. it went through a series of read and writes .. and recovered after the error. Is there any settings I can specify in preparing the Session at java client driver level, here are my current settings - PoolingOptions poolingOptions = new PoolingOptions()

Re: NoHostAvailableException coming up on our server

2016-07-12 Thread Johnny Miller
Abhinav - your getting that as the driver isn’t finding any hosts up for your query. You probably need to check if all the nodes in your cluster are running. See: http://docs.datastax.com/en/drivers/java/3.0/com/datastax/driver/core/exceptions/NoHostAvailableException.html Johnny > On 12 Jul 2

NoHostAvailableException coming up on our server

2016-07-12 Thread Abhinav Solan
Hi Everyone, I am getting this error on our server, it comes and goes seems the connection drops a comes back after a while - Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: :9042 (com.datastax.driver.core.excepti