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[Solved] Receipt Validation Null Error on GooglePlay

Discussion in 'Unity IAP' started by sa_rdml, Sep 1, 2016.

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  1. sa_rdml

    sa_rdml

    Joined:
    Jul 25, 2016
    Posts:
    4
    This is I get.. Receipt = args.purchasedProduct.receipt .. on Purchase proccess
    I changed package name to "xxx" for this thread
    then I get this error.
    Receipt validation works on APPLE iap, but not work on GOOGLE PLAY iap.
    The key is registered to the receipt validation obfuscator already!
    How can I solve this problem ?
     
    sa_rdml, Sep 1, 2016
    #1

  2. erika_d

    erika_d

    Unity Technologies

    Joined:
    Jan 20, 2016
    Posts:
    413
    Hi @sakiraykurt_radmule,

    There are a number of possibilities for causing a null reference in Mono's Encode_v15 method. You can see the code of the method here: https://github.com/mono/mono/blob/m...rity/Mono.Security.Cryptography/PKCS1.cs#L343

    Some users have reported an issue with the security class getting stripped causing this issue: http://forum.unity3d.com/threads/so...enceexception-when-validating-receipt.393161/

    It could also be a malformed or missing key, to check that I would suggest recopying your Google Play API key into the Obfuscator again in case there was any issue there.
     
    erika_d, Sep 2, 2016
    #2

  3. sa_rdml

    sa_rdml

    Joined:
    Jul 25, 2016
    Posts:
    4
    Hi @erika_d ,
    Second one that xml trick has solved my problem!
    Thank you!
     
    sa_rdml, Sep 5, 2016
    #3
    erika_d likes this.
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