Hi Nico,
The cassandra connector should be available on Maven central:
http://search.maven.org/#artifactdetails%7Corg.apache.flink%7Cflink-connector-cassandra_2.10%7C1.2.0%7Cjar

Potentially, the issue you've mentioned is due to some shading issue. Is
the "com/codahale/metrics/Metric" class in your user code jar?

On Thu, Feb 9, 2017 at 2:56 PM, Nico <nico.franz...@gmail.com> wrote:

> Hi,
>
> I would like to upgrade to the new stable version 1.2 - but i get an
> ClassNotFound exception when i start the application.
>
> Caused by: java.lang.NoClassDefFoundError: com/codahale/metrics/Metric
>     at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1367)
>     at com.datastax.driver.core.Cluster.init(Cluster.java:162)
>     at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:333)
>     at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:308)
>     at com.datastax.driver.core.Cluster.connect(Cluster.java:250)
>     at org.apache.flink.streaming.connectors.cassandra.
> CassandraSinkBase.open(CassandraSinkBase.java:67)
>     at org.apache.flink.streaming.connectors.cassandra.
> CassandraTupleSink.open(CassandraTupleSink.java:42)
>     at org.apache.flink.api.common.functions.util.FunctionUtils.
> openFunction(FunctionUtils.java:36)
>     at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.
> open(AbstractUdfStreamOperator.java:112)
>     at org.apache.flink.streaming.runtime.tasks.StreamTask.
> openAllOperators(StreamTask.java:386)
>     at org.apache.flink.streaming.runtime.tasks.StreamTask.
> invoke(StreamTask.java:262)
>     at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
>     at java.lang.Thread.run(Thread.java:745)
>
>
> So I think the cassandra connector is the reason for it. Moreover, i don't
> see a version 1.2 in the maven repository for the connector as mentioned in
> the doc.
>
> <dependency>
>   <groupId>org.apache.flink</groupId>
>   <artifactId>flink-connector-cassandra_2.10</artifactId>
>   <version>1.2.0</version>
> </dependency>
>
> Is there a plan to release a new version?
>
> Best,
> Nico
>

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