The query has QUORUM not LOCAL_QUORUM. So 3 of 5 nodes are required. Maybe
1 node in DRPOCcluster also was temporarily unavailable during that query?
2017-01-23 12:16 GMT+01:00 Abhishek Kumar Maheshwari <
abhishek.maheshw...@timesinternet.in>:
> Hi All,
>
>
>
> I have Cassandra stack with 2 Dc
>
>
>
> Datacenter: DRPOCcluster
>
> ========================
>
> Status=Up/Down
>
> |/ State=Normal/Leaving/Joining/Moving
>
> -- Address Load Tokens Owns Host
> ID Rack
>
> UN 172.29.xx.xxx 88.88 GB 256 ?
> b6b8cbb9-1fed-471f-aea9-6a657e7ac80a
> 01
>
> UN 172.29.xx.xxx 73.95 GB 256 ?
> 604abbf5-8639-4104-8f60-fd6573fb2e17
> 03
>
> UN 172.29. xx.xxx 66.42 GB 256 ?
> 32fa79ee-93c6-4e5b-a910-f27a1e9d66c1 02
>
> Datacenter: dc_india
>
> ====================
>
> Status=Up/Down
>
> |/ State=Normal/Leaving/Joining/Moving
>
> -- Address Load Tokens Owns Host
> ID Rack
>
> DN 172.26. .xx.xxx 78.97 GB 256 ?
> 3e8133ed-98b5-418d-96b5-690a1450cd30 RACK1
>
> DN 172.26. .xx.xxx 79.18 GB 256 ?
> 7d3f5b25-88f9-4be7-b0f5-746619153543 RACK2
>
>
>
>
>
> I am using below code to connect with java driver:
>
>
>
> cluster = Cluster.*builder*().addContactPoints(hostAddresses
> ).withRetryPolicy(DefaultRetryPolicy.*INSTANCE*)
>
> .withReconnectionPolicy(*new*
> ConstantReconnectionPolicy(30000L))
>
> .withLoadBalancingPolicy(*new*
> TokenAwarePolicy(*new* DCAwareRoundRobinPolicy.Builder().withLocalDc("
> DRPOCcluster").withUsedHostsPerRemoteDc(2).build())).build();
>
> cluster.getConfiguration().getQueryOptions().setConsistencyLevel(
> ConsistencyLevel.LOCAL_QUORUM);
>
>
>
> hostAddresses is 172.29.xx.xxx . when Dc with IP 172.26. .xx.xxx is
> down, we are getting below exception :
>
>
>
>
>
> Exception in thread "main"
> com.datastax.driver.core.exceptions.UnavailableException:
> Not enough replicas available for query at consistency QUORUM (3 required
> but only 2 alive)
>
> at com.datastax.driver.core.exceptions.UnavailableException.copy(
> UnavailableException.java:109)
>
> at com.datastax.driver.core.exceptions.UnavailableException.copy(
> UnavailableException.java:27)
>
> at com.datastax.driver.core.DriverThrowables.propagateCause(
> DriverThrowables.java:37)
>
> at com.datastax.driver.core.DefaultResultSetFuture.
> getUninterruptibly(DefaultResultSetFuture.java:245)
>
>
>
> Cassandra version : 3.0.9
>
> Datastax Java Driver Version:
>
>
>
> <dependency>
>
> <groupId>com.datastax.cassandra</groupId>
>
> <artifactId>cassandra-driver-
> core</artifactId>
>
> <version>3.1.2</version>
>
> </dependency>
>
>
>
>
>
> *Thanks & Regards,*
> *Abhishek Kumar Maheshwari*
> *+91- 9999805591 <+91%2099998%2005591> (Mobile)*
>
> Times Internet Ltd. | A Times of India Group Company
>
> FC - 6, Sector 16A, Film City, Noida, U.P. 201301 | INDIA
>
> *P** Please do not print this email unless it is absolutely necessary.
> Spread environmental awareness.*
>
>
> We the soldiers of our new economy, pledge to stop doubting and start
> spending, to enable others to go digital, to use less cash. We pledge to
> #RemonetiseIndia. Join the Times Network ‘Remonetise India’ movement today.
> To pledge for growth, give a missed call on +91 9223515515
> <+91%2092235%2015515>. Visit www.remonetiseindia.com
>
--
Benjamin Roth
Prokurist
Jaumo GmbH · www.jaumo.com
Wehrstraße 46 · 73035 Göppingen · Germany
Phone +49 7161 304880-6 · Fax +49 7161 304880-1
AG Ulm · HRB 731058 · Managing Director: Jens Kammerer
