Jeremiah, Thanks for the reply.
This is what we have been doing, but it's not reliable as we don't know a definite time that the schema would get replicated. Is there any way I can know for sure that changes have propagated. Then I can block the insertion of data until then. On Thu, Mar 1, 2012 at 4:33 AM, Jeremiah Jordan < jeremiah.jor...@morningstar.com> wrote: > The error is that the specified colum family doesn’t exist. If you > connect with the CLI and describe the keyspace does it show up? Also, > after adding a new column family programmatically you can’t use it > immediately, you have to wait for it to propagate. You can use calls to > describe schema to do so, keep calling it until every node is on the same > schema.**** > > ** ** > > -Jeremiah**** > > ** ** > > *From:* Tharindu Mathew [mailto:mcclou...@gmail.com] > *Sent:* Wednesday, February 29, 2012 8:27 AM > *To:* user > *Subject:* Schema change causes exception when adding data**** > > ** ** > > Hi, > > I have a 3 node cluster and I'm dynamically updating a keyspace with a new > column family. Then, when I try to write records to it I get the following > exception shown at [1]. > > How do I avoid this. I'm using Hector and the default consistency level of > QUORUM is used. Cassandra version 0.7.8. Replication Factor is 1. > > How can I solve my problem?**** > > [1] - > me.prettyprint.hector.api.exceptions.HInvalidRequestException: > InvalidRequestException(why:unconfigured columnfamily proxySummary)**** > > at > me.prettyprint.cassandra.service.ExceptionsTranslatorImpl.translate(ExceptionsTranslatorImpl.java:42) > **** > > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$10.execute(KeyspaceServiceImpl.java:397) > **** > > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$10.execute(KeyspaceServiceImpl.java:383) > **** > > at > me.prettyprint.cassandra.service.Operation.executeAndSetResult(Operation.java:101) > **** > > at > me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(HConnectionManager.java:156) > **** > > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.operateWithFailover(KeyspaceServiceImpl.java:129) > **** > > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.multigetSlice(KeyspaceServiceImpl.java:401) > **** > > at > me.prettyprint.cassandra.model.thrift.ThriftMultigetSliceQuery$1.doInKeyspace(ThriftMultigetSliceQuery.java:67) > **** > > at > me.prettyprint.cassandra.model.thrift.ThriftMultigetSliceQuery$1.doInKeyspace(ThriftMultigetSliceQuery.java:59) > **** > > at > me.prettyprint.cassandra.model.KeyspaceOperationCallback.doInKeyspaceAndMeasure(KeyspaceOperationCallback.java:20) > **** > > at > me.prettyprint.cassandra.model.ExecutingKeyspace.doExecute(ExecutingKeyspace.java:72) > **** > > at > me.prettyprint.cassandra.model.thrift.ThriftMultigetSliceQuery.execute(ThriftMultigetSliceQuery.java:58) > **** > > > > -- > Regards, > > Tharindu**** > > ** ** > > blog: http://mackiemathew.com/**** > > ** ** > -- Regards, Tharindu blog: http://mackiemathew.com/