Hi,
I am establishing a cluster and trying to use cluster sharding, but while
establishing I am getting this error
[ERROR] [03/17/2015 12:16:53.516] [main] [ActorSystem(DefaultActorSystem)]
While trying to load extension
[akka.cluster.metrics.ClusterMetricsExtension], skipping...
java.lang.ClassNotFoundException:
akka.cluster.metrics.ClusterMetricsExtension
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
I manually searched for the class ClusterMetricsExtension in akka.cluster
jar but it not there.
my application.conf file is
akka {
loglevel = INFO
actor {
provider = "akka.cluster.ClusterActorRefProvider"
}
remote {
log-remote-lifecycle-events = on
#transport = "akka.remote.netty.NettyRemoteTransport"
netty.tcp{
hostname = "127.0.0.2"
port = 2552
}
}
cluster.seed-nodes = [
"akka.tcp://[email protected]:2551",
"akka.tcp://[email protected]:2552"]
auto-down-unreachable-after = 10s
}
# Disable legacy metrics in akka-cluster.
akka.cluster.metrics.enabled=off
# Enable metrics extension in akka-cluster-metrics.
akka.extensions= ["akka.cluster.metrics.ClusterMetricsExtension"]
# Sigar native library extract location during tests.
# Note: use per-jvm-instance folder when running multiple jvm on one host.
akka.cluster.metrics.native-library-extract-folder=${user.dir}/target/native
is there something wrong with this configuration?
Thanks and Regards
Krishna Kadam
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