支付已经正常运行了1年多，最近隔几个小时在请求微信支付API的时候就报400错误，这个时候无论调用哪个微信支付的API都是400，只有重启下tomcat就又恢复正常了，有人遇到过这样的问题吗？
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- Return code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Generate QR code
- Return code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Get QR code
- Generate verification QR code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Generate QR code
- Get verification QR code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Get QR code
- Return code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Query QR code status
遇到了，这个SDK 里面的 requestWithoutCert 方法
覆写掉就可以了。。原因暂未知，估计跟连接有关
好的 我试下
https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=23_2&index=3