MyContract.new(['MyProps'],{data: byteCode, from: web3.eth.accounts[0], gas: 4800000})

String account = web3.ethAccounts().send().getAccounts().get(0);
Credentials c = Credentials.create(account);
Contract_sol_Contract contract = Contract_sol_Contract.deploy(web3, c, new BigInteger("240000"),new BigInteger("2400000"), props).send();

-->sender doesn't have enough funds to send tx. The upfront cost is: 576 and the sender's account only has: 0