java.lang.NoClassDefFoundError: io/netty/handler/timeout/IdleStateHandler

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.NoClassDefFoundError: io/netty/handler/timeout/IdleStateHandler
at com.datastax.driver.core.Connection$Initializer.(Connection.java:1409)
at com.datastax.driver.core.Connection.initAsync(Connection.java:144)
at com.datastax.driver.core.Connection$Factory.open(Connection.java:796)
at com.datastax.driver.core.ControlConnection.tryConnect(ControlConnection.java:253)
at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:201)
at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:79)
at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1473)
at com.datastax.driver.core.Cluster.init(Cluster.java:159)
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:330)
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:305)
at com.datastax.driver.core.Cluster.connect(Cluster.java:247)
at com.datastax.driver.dse.DseCluster.connect(DseCluster.java:351)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.