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商家转账回调报错，版本4.7.4B · Issue #3545 · binarywang/WxJava · GitHub
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商家转账回调报错，版本4.7.4B #3545

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#3547
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商家转账回调报错，版本4.7.4B#3545
#3547

Description

@liuyn001
liuyn001
opened on Apr 8, 2025

简要描述

商家转账回调的接口报错

模块版本情况

  • WxJava 模块名: weixin-java-pay
  • WxJava 版本号: 4.7.4B

详细描述

4.7.3B运行正常，升级到v4.7.4B报错，排查原因发现新版本代码调整了WxPayConfig中的getVerifier()方法，其中Verifier:certificatesVerifier的初始化判定逻辑是
“if (this.getPrivateCertPath() != null && this.getPrivateKeyPath() != null) {” 这样存在不是通过服务器文件初始化的方式，这两个属性为空，导致Verifier空指针，是否调整为 “if (this.getPrivateCertContent() != null && this.getPrivateKeyContent() != null) {” 更为合适

日志

java.lang.NullPointerException: Cannot invoke "com.github.binarywang.wxpay.v3.auth.Verifier.verify(String, byte[], String)" because the return value of "com.github.binarywang.wxpay.config.WxPayConfig.getVerifier()" is null
at com.github.binarywang.wxpay.service.impl.BaseWxPayServiceImpl.verifyNotifySign(BaseWxPayServiceImpl.java:362)
at com.github.binarywang.wxpay.service.impl.BaseWxPayServiceImpl.baseParseOrderNotifyV3Result(BaseWxPayServiceImpl.java:378)
at com.github.binarywang.wxpay.service.impl.TransferServiceImpl.parseTransferBillsNotifyResult(TransferServiceImpl.java:125)
at com.liduoma.lmp.core.goods.service.WxPayMerchantTransferService.transferBillsNotify(WxPayMerchantTransferService.java:90)

日志请写于此处

Activity

  1. binarywang commented on Apr 8, 2025

    @binarywang
    binarywang
    on Apr 8, 2025
    Owner

    @SynchPj 麻烦确认下！ 谢谢

  2. SynchPj commented on Apr 10, 2025

    @SynchPj
    SynchPj
    on Apr 10, 2025
    Contributor

    是单独使用的公钥吗

  3. binarywang
    linked a pull request that will close this issuefix: 证书使用 String、Content 格式时，验证器未正确初始化；新商户号无平台证书，初始化验证器抛出异常，导致v3请求构造异常 #3547on Apr 10, 2025

  4. binarywang commented on Apr 10, 2025

    @binarywang
    binarywang
    on Apr 10, 2025
    Owner

    #3547 @SynchPj 看下这个PR是否解决此问题？

  5. liuyn001 commented on Apr 10, 2025

    @liuyn001
    liuyn001
    on Apr 10, 2025
    Author

    是单独使用的公钥吗

    通过解析p12文件 直接设置 PrivateCertContent PrivateKeyContent属性

  6. SynchPj commented on Apr 10, 2025

    @SynchPj
    SynchPj
    on Apr 10, 2025
    Contributor

    好的，我看看

  7. TamakoT commented on Apr 11, 2025

    @TamakoT
    TamakoT
    on Apr 11, 2025

    我遇到了同样的问题，debug也是找到了WxPayConfig#getVerifier方法，这里应该先判断publicKey是不是空，不为空直接使用publickKey，而不是先尝试去获取平台证书，新开通的商户就没有平台证书，新版商户直接就提示404没有平台证书

    我看4.7.0版本的判断逻辑是这么写的：

    Verifier certificatesVerifier;
      if (publicKey == null) {
        certificatesVerifier =
            new AutoUpdateCertificatesVerifier(
                new WxPayCredentials(mchId, new PrivateKeySigner(certSerialNo, merchantPrivateKey)),
                this.getApiV3Key().getBytes(StandardCharsets.UTF_8), this.getCertAutoUpdateTime(),
                this.getPayBaseUrl(), wxPayHttpProxy);
      } else {
        certificatesVerifier = new PublicCertificateVerifier(publicKey, publicKeyId);
      }

    到了4.7.4B新版本变成这样了：

    Verifier certificatesVerifier = null;
    // 如果配置了平台证书，则初始化验证器以备v2版本接口验签（公钥灰度实现）
    if (this.getPrivateCertPath() != null && this.getPrivateKeyPath() != null) {
      certificatesVerifier = new AutoUpdateCertificatesVerifier(
        new WxPayCredentials(mchId, new PrivateKeySigner(certSerialNo, merchantPrivateKey)),
        this.getApiV3Key().getBytes(StandardCharsets.UTF_8), this.getCertAutoUpdateTime(),
        this.getPayBaseUrl(), wxPayHttpProxy);
    }
    if (publicKey != null) {
      Verifier publicCertificatesVerifier = new PublicCertificateVerifier(publicKey, publicKeyId);
      publicCertificatesVerifier.setOtherVerifier(certificatesVerifier);
      certificatesVerifier = publicCertificatesVerifier;
    }
    return certificatesVerifier;

  8. binarywang commented on Apr 11, 2025

    @binarywang
    binarywang
    on Apr 11, 2025
    Owner

    我遇到了同样的问题，debug也是找到了WxPayConfig#getVerifier方法，这里应该先判断publicKey是不是空，不为空直接使用publickKey，而不是先尝试去获取平台证书，新开通的商户就没有平台证书，新版商户直接就提示404没有平台证书

    我看4.7.0版本的判断逻辑是这么写的：

    Verifier certificatesVerifier;
    if (publicKey == null) {
    certificatesVerifier =
    new AutoUpdateCertificatesVerifier(
    new WxPayCredentials(mchId, new PrivateKeySigner(certSerialNo, merchantPrivateKey)),
    this.getApiV3Key().getBytes(StandardCharsets.UTF_8), this.getCertAutoUpdateTime(),
    this.getPayBaseUrl(), wxPayHttpProxy);
    } else {
    certificatesVerifier = new PublicCertificateVerifier(publicKey, publicKeyId);
    }
    到了4.7.4B新版本变成这样了：

    Verifier certificatesVerifier = null;
    // 如果配置了平台证书，则初始化验证器以备v2版本接口验签（公钥灰度实现）
    if (this.getPrivateCertPath() != null && this.getPrivateKeyPath() != null) {
    certificatesVerifier = new AutoUpdateCertificatesVerifier(
    new WxPayCredentials(mchId, new PrivateKeySigner(certSerialNo, merchantPrivateKey)),
    this.getApiV3Key().getBytes(StandardCharsets.UTF_8), this.getCertAutoUpdateTime(),
    this.getPayBaseUrl(), wxPayHttpProxy);
    }
    if (publicKey != null) {
    Verifier publicCertificatesVerifier = new PublicCertificateVerifier(publicKey, publicKeyId);
    publicCertificatesVerifier.setOtherVerifier(certificatesVerifier);
    certificatesVerifier = publicCertificatesVerifier;
    }
    return certificatesVerifier;

    欢迎基于#3547 提供你的代码，谢谢

  9. binarywang
    closed this as completedin #3547on Apr 14, 2025
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