Hi All, I have tried to generate an invoice for the monetized APIs as documented in [1].
When I select the 'invoice' tab in the sample billing engine to generate the invoices observed the following error from the billing engine deployed in tomcat server. *HTTP Status 500 - Request processing failed; nested exception is org.springframework.webflow.execution.ActionExecutionException: Exception thrown executing [AnnotatedAction@3fa06082 targetAction = [EvaluateAction@274d6a91 expression = invoiceService.createInvoice(user), resultExpression = viewScope.invoice], attributes = map[[empty]]] in state 'invoiceHome' of flow 'account' -- action execution attributes were 'map[[empty]]'* After verifying the 'billing' database observed that there are no records in the "*invoice*" table. However, as per the API statistics, there are 20 API calls for that particular API. May I know how to solve this issue? [1] https://docs.wso2.com/display/AM210/Enabling+Monetization+of+APIs -- *Sashika WijesingheSoftware Engineer - QA Team* Mobile : +94 (0) 774537487 sash...@wso2.com
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