Ryan McGuire created CASSANDRA-6911:
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             Summary: Netty dependency update broke stress
                 Key: CASSANDRA-6911
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6911
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
            Reporter: Ryan McGuire
            Assignee: Benedict


I compiled stress fresh from cassandra-2.1 and running this command:

{code}
cassandra-stress write n=19000000 -rate threads=50 -node bdplab
{code}

I get the following traceback:

{code}
Exception in thread "Thread-49" java.lang.NoClassDefFoundError: 
org/jboss/netty/channel/ChannelFactory
        at com.datastax.driver.core.Cluster$Manager.<init>(Cluster.java:941)
        at com.datastax.driver.core.Cluster$Manager.<init>(Cluster.java:889)
        at com.datastax.driver.core.Cluster.<init>(Cluster.java:88)
        at com.datastax.driver.core.Cluster.buildFrom(Cluster.java:144)
        at com.datastax.driver.core.Cluster$Builder.build(Cluster.java:854)
        at 
org.apache.cassandra.stress.util.JavaDriverClient.connect(JavaDriverClient.java:74)
        at 
org.apache.cassandra.stress.settings.StressSettings.getJavaDriverClient(StressSettings.java:155)
        at 
org.apache.cassandra.stress.settings.StressSettings.getSmartThriftClient(StressSettings.java:70)
        at 
org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:275)
Caused by: java.lang.ClassNotFoundException: 
org.jboss.netty.channel.ChannelFactory
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        ... 9 more
{code}

It seems this was introduced with an updated netty jar in 
cbf304ebd0436a321753e81231545b705aa8dd23



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