I was running this command "./storm activate MyTopology" and got the following 
exception. I looked through storm log files and could not see any clues. Any 
hints? Thanks!

We are using storm 0.8.0 on Ubuntu Lucid (10.04).

0    [main] INFO  backtype.storm.thrift  - Connecting to Nimbus at 
localhost:6627
Exception in thread "main" NotAliveException(msg:MyTopology)
    at backtype.storm.generated.Nimbus$activate_result.read(Nimbus.java:4188)
    at org.apache.thrift7.TServiceClient.receiveBase(TServiceClient.java:78)
    at backtype.storm.generated.Nimbus$Client.recv_activate(Nimbus.java:210)
    at backtype.storm.generated.Nimbus$Client.activate(Nimbus.java:197)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:622)
    at clojure.lang.Reflector.invokeMatchingMethod(Reflector.java:93)
    at clojure.lang.Reflector.invokeInstanceMethod(Reflector.java:28)
    at backtype.storm.command.activate$_main.invoke(activate.clj:7)
    at clojure.lang.AFn.applyToHelper(AFn.java:161)
    at clojure.lang.AFn.applyTo(AFn.java:151)
    at backtype.storm.command.activate.main(Unknown Source)

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