generate a P2SH-P2WSH address and spend output sent to it

generate a P2SH-P2WSH address and spend output sent to it

I am attempting generate a P2SH-P2WSH address and then spend an output sent to this address, but when I attempt signing I receive Invalid private key error from bitcoind (v0.15.1.0). So where am I going wrong I am not entirely sure that I generate address correctly or that bitcoind rpc methods correctly support segwit signing operation. I would appreciate if someone could confirm whether address is generated correctly or if I am somehow failing at signing stage from my end. I can provide generation code (written in Java) if needed.

Here's what I came up with:

Address generation 2 of 2 multisig:

Private Key c3accc350d70d1981c4366fd6fd86d9cc311048ae8620dac0b3dc9d18ce415fa
Public Key 320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae

Private Key 1093e97f3c01bd766473cc51441d443e9325a59387421a9e2fb69b7f9587d915
Public Key 20b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0

Witness program=2 PUSHDATA(33)[020b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0] PUSHDATA(33)[0320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae] 2 CHECKMULTISIG
Witness hex=5221020b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0210320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae52ae

redeemScript program=0 PUSHDATA(32)[16a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac]
redeemScript hex=002016a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac

scriptPubKey program=HASH160 PUSHDATA(20)[035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece] EQUAL
scriptPubKey hex=a914035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece87

TestNetAddress=2MsZ2fpGKUydzY62v6trPHR8eCx5JTy1Dpa

I created these using bitcoinj library I am not entirely sure that this is correct, but from the look of it seemed like it was described in segwit dev guide by bitcoin core.

Fund deposit I sent to this address test coins (Testnet3) with this TX = 122831a5cc3d3875cadd89e2a2690c2e5bc9e703d177385e1a3318a44675b6d6

Creating raw transaction:

Created transaction hex (using bitcoin rpc) = 
{
    "jsonrpc": "1.0",
    "id": "reqId1",
    "method": "createrawtransaction",
    "params": [
        [
            {
                "txid": "122831a5cc3d3875cadd89e2a2690c2e5bc9e703d177385e1a3318a44675b6d6",
                "vout": 1
            }
        ],
        {
            "mmZFY7b7NArkrnri43RwxL58m6TZUqty4t": "0.09999"
        },
        0
    ]
}
Response hex = 0200000001d6b67546a418331a5e3877d103e7c95b2e0c69a2e289ddca75383dcca53128120100000000ffffffff0198929800000000001976a914423ffad905158d1d472f5fcd5fbc6916c2fb031f88ac00000000

Signing raw transaction:

SignRaw transaction request (using bitcoin rpc) = {"jsonrpc":"1.0","id":"signrawtransaction_1510651375833","method":"signrawtransaction","params":["0200000001d6b67546a418331a5e3877d103e7c95b2e0c69a2e289ddca75383dcca53128120100000000ffffffff0198929800000000001976a914423ffad905158d1d472f5fcd5fbc6916c2fb031f88ac00000000",[{"txid":"122831a5cc3d3875cadd89e2a2690c2e5bc9e703d177385e1a3318a44675b6d6","vout":1,"scriptPubKey":"a914035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece87","redeemScript":"002016a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac","amount":"0.10000000"}],["c3accc350d70d1981c4366fd6fd86d9cc311048ae8620dac0b3dc9d18ce415fa","1093e97f3c01bd766473cc51441d443e9325a59387421a9e2fb69b7f9587d915"]]}
{
    "jsonrpc": "1.0",
    "id": "reqId2",
    "method": "signrawtransaction",
    "params": [
        "0200000001d6b67546a418331a5e3877d103e7c95b2e0c69a2e289ddca75383dcca53128120100000000ffffffff0198929800000000001976a914423ffad905158d1d472f5fcd5fbc6916c2fb031f88ac00000000",
        [
            {
                "txid": "122831a5cc3d3875cadd89e2a2690c2e5bc9e703d177385e1a3318a44675b6d6",
                "vout": 1,
                "scriptPubKey": "a914035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece87",
                "redeemScript": "002016a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac",
                "amount": "0.10000000"
            }
        ],
        [
            "c3accc350d70d1981c4366fd6fd86d9cc311048ae8620dac0b3dc9d18ce415fa",
            "1093e97f3c01bd766473cc51441d443e9325a59387421a9e2fb69b7f9587d915"
        ]
    ]
}

Result = Error{code=-5, message='Invalid private key', data='null'}

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