java做微信退款响应的坑，No such provider: BC

做微信退款响应的坑，No such provider: BC"/>

java做微信退款响应的坑，No such provider: BC

遇到下面的问题不要担心，我的经验将帮助你解决这个问题：

java.security.NoSuchProviderException: No such provider: BC
        at javax.crypto.Cipher.getInstance(Cipher.java:596)
        at com.thinkgem.jeesite.wxpay.sdk.DecodeUtil.decryptData(DecodeUtil.java:20)
        at com.thinkgem.jeesite.modules.cms.web.EwmUserController.tuiUrl(EwmUserController.java:2319)
        at sun.reflect.GeneratedMethodAccessor1507.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
        at org.springframework.web.servlet.