Problem when running ReplicatedStateMachineDemo

[Cheng Li]

Hi all,

When I tested the RSMDemo, I found the following error:

java -cp  ./:../../lib/jgroups-3.6.3.Final.jar:../../lib/leveldbjni-all-1.8.jar org.jgroups.raft.demos.ReplicatedStateMachineDemo -props raft.xml -name A

Exception in thread "main" java.lang.IllegalArgumentException: command 5 is unknown

        at org.jgroups.raft.blocks.ReplicatedStateMachine.apply(ReplicatedStateMachine.java:167)

        at org.jgroups.protocols.raft.RAFT.initStateMachineFromLog(RAFT.java:369)

        at org.jgroups.protocols.raft.RAFT.start(RAFT.java:433)

        at org.jgroups.stack.ProtocolStack.startStack(ProtocolStack.java:965)

        at org.jgroups.JChannel.startStack(JChannel.java:891)

        at org.jgroups.JChannel._preConnect(JChannel.java:553)

        at org.jgroups.JChannel.connect(JChannel.java:288)

        at org.jgroups.JChannel.connect(JChannel.java:279)

        at org.jgroups.raft.demos.ReplicatedStateMachineDemo.start(ReplicatedStateMachineDemo.java:30)

        at org.jgroups.raft.demos.ReplicatedStateMachineDemo.main(ReplicatedStateMachineDemo.java:184)

Could you please help me figure out the problem?

Thanks,

   Cheng

[Bela Ban]

You probably have a old log from a different appication, also called A.
This of course is something the format of which RSM won't understand.

To fix this, cd to your temp dir and rm -fr A.log* A.snap*

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Bela Ban, JGroups lead (http://www.jgroups.org)