Alex Petrov created CASSANDRA-16207:
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             Summary: NPE when calling broadcast address on unintialized node
                 Key: CASSANDRA-16207
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16207
             Project: Cassandra
          Issue Type: Bug
            Reporter: Alex Petrov


When trying to run upgrades, sometimes we’re calling broadcasts addrerss on an 
uninitialised new node:

{code}
java.lang.IllegalStateException: Can't use shut down instances, delegate is null
        at 
org.apache.cassandra.distributed.impl.AbstractCluster$Wrapper.delegate(AbstractCluster.java:163)
        at 
org.apache.cassandra.distributed.impl.DelegatingInvokableInstance.broadcastAddress(DelegatingInvokableInstance.java:53)
 
        at 
org.apache.cassandra.distributed.impl.Instance$2.allowIncomingMessage(Instance.java:278)
 
        at 
org.apache.cassandra.net.MessagingService.receive(MessagingService.java:1031) 
~[dtest-3.0.19.jar:?]
        at 
org.apache.cassandra.net.IncomingTcpConnection.receiveMessage(IncomingTcpConnection.java:213)
 
        at 
org.apache.cassandra.net.IncomingTcpConnection.receiveMessages(IncomingTcpConnection.java:182)
 
        at 
org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:93)
 
INFO  [node1_Messaging-EventLoop-3-4] node1 18:02:56,785 
/127.0.0.1:7012(/127.0.0.2:54939)->/127.0.0.2:7012-URGENT_MESSAGES-3858ba33 
successfully connected, version = 11, framing = CRC, encryption = disabled
ERROR 18:02:56,786 uncaught exception in thread 
Thread[MessagingService-Incoming-/127.0.0.2,5,node2]
{code}



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