Hyperledger Endorsement Failure when Invoking chai

问题:

I am using balance transfer application with custom chaincode, when I use endorsement policy '1-of':[{ 'signed-by': 0 }, { 'signed-by': 1 }] then every thing works fine however if I use '2-of':[{ 'signed-by': 0 }, { 'signed-by': 1 }] invoke transaction fails with below error:

Fabric Peer Error log:

Validate -> ERRO 078 VSCC error: stateBasedValidator.Validate failed, err validation of endorsement policy for chaincode mycc in tx 4:0 failed: signature set did not satisfy policy 2019-01-02 07:24:40.782 UTC [committer.txvalidator] validateTx -> ERRO 079 VSCCValidateTx for transaction txId = 815553b7cabb383f59d4abd3c2bdc3deda5b74169048e3b3b837f46adbd85099 returned error: validation of endorsement policy for chaincode mycc in tx 4:0 failed: signature set did not satisfy policy

Node-SDK logs show the following

[2019-01-02 02:24:40.826] [ERROR] invoke-chaincode - The invoke chaincode transaction was invalid, code:ENDORSEMENT_POLICY_FAILURE [2019-01-02 02:24:40.827] [ERROR] invoke-chaincode - Error: The invoke chaincode transaction was invalid, code:ENDORSEMENT_POLICY_FAILURE

Any help in resolving this will be very helpful