5

I am relatively new to Blockchains and when I execute the following command I am getting an error.

contract mortal { 
    address owner; 

    function mortal() { 
        owner = msg.sender;
    }
    function kill() {
        if(msg.sender == owner) suicide(owner); 
    } 
}

contract greeter is mortal { 
    string greeting;

    function greeter(string _greeting) public { 
        greeting = _greeting;
    }
    function greet() constant returns (string) { 
        return greeting;
    }
}

web3.eth.compile.solidity(greeterSource)

Invalid JSON RPC response: undefined
at InvalidResponse (:-81076:-41)
at send (:-154580:-41)
at solidity (:-131712:-41)
at :1:1**

What is going wrong?

0

This almost certainly means you do not have a geth node running. The RPC response is invalid because there wasn't one.

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