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Questions tagged [sap-gateway]

Use this tag when the question involves implementing OData-compliant REST APIs in SAP Gateway, and everything about SAP Gateway Foundation: OData service implementation, proxy classes for OData services, REST messages (GET, PUT, POST, DELETE), etc.. NOT to be confused with "SAP Gateway for Microsoft" [sap-gwm].

SAP Gateway (Formerly known as "SAP NetWeaver Gateway") is a technology that allows connecting different platforms and environments based on open standards like .

It provides tools and environment for development OData services for connecting SAP and non-SAP systems. SAP Gateway can be deployed either standalone or on top of ECC system by installing SAP_GWFND component.

Official community page: https://community.sap.com/topics/gateway

190 questions
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SEGW error Object components locked in different requests after releasing service class before extending entity

I am facing an annoying problem. During my development work I modified some methods of the *DPC_EXT classes of a Gateway service in SE24. After releasing the task containing these changes I realized one of this service's entities needed some extra…
Joshua Schroijen
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Error when calling multiple deletes: "Default changeset implementation allows only one operation"

The server is returning an exception when trying to delete multiple items. I put the OData call inside a for loop, but it returns the error below: { "code":"/IWBEP/CX_MGW_TECH_EXCEPTION", "message":"Default changeset implementation allows only…
Luiz Carlos Zanella Martins
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UI5-Application: Call to functionimport works ONLY in WebIDE but fails everywhere else

We are developing a custom UI5 application. It is developed in the WebIDE, and therefore deployed as a BSP. When we use the underlying model for calls ( currently 3, no CRUD ), we chose the path of using ONLY functionimports to communicate with the…
icbytes
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SAPUI5 - oDataService is called multiple times

We have an oDataService that receives a deep entity and with this information it creates a sales order in the SAP backend. Now the oDataService works fine but sometimes we have a strange behavior: The oDataService is called two times of the same…
Leon
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Odata File Download / get_stream method doesnt work

I have an oData service for File Download functionality. I have to include $value parameter to oData call to trigger GET_Stream at backend. I see with an external breakpoint on get_stream method, that the method is triggered. But the file download…
Kirve
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Sap Odata Problem, Data Provider class does not exist

i have a porblem with a odata service. The odata is already created by a former coworker. After a database update it still began not working. It is active but if I open the gateway client there pop up only a error windows. HTTP Receive failed:…
Kirve
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ABAP CDS view entities expression type IS_NULL not allowed in the BOOLEAN expression context

I would like to use the is null expression in where clause of a CDS view entity. It says that expression type IS_NULL is not allowed in the BOOLEAN expression context. I joined (left join) a table and want to assure that the joined result/fields are…
SAPDEV
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How Cloud Data Fusion connect to SAP NetWeaver Gateway and SAP BW/4HANA

I've been searching SAP NetWeaver Gateway and SAP BW/4HANA connector in Cloud Data Fusion "HUB" on the top right of console but I can't find any. How can I connect to those SAP NetWeaver Gateway and SAP BW/4HANA if it doesn't appear in the "HUB".
Pinyapat Amornrattanaroj
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POST call to server stuck

I have a very strange issue with one of our users: when he tries to save data (via ODataModel create method), there is a call to the service (like, /sap/opu/odata/sap/ZSERVICE_NAME_SRV/) which stays in status "pending" in the browser's "Network" tab…
keshet
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Can a SAP oData Navigation Property be used to get the Keys of the first entity into the Data Provider class of the related entity?

For example, there are two Entities, Parent and Child. There are 1..n Child Entities for any Parent Entities. Is there a way to set up a Service in SEGW so that when calling a Navigation Property from Parent to Child, the Data Provider Class of…
Retenor
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SAP oData Service - How to link two entity sets

In my first SAP fiori app I have created two entities in the odata Gateway in SAP backend. One for the main entity called 'Notification' and one for some value help field entity called 'Status'. Now I want to get the key of Notification when…
Missschaaa
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How to get URL of OData service from SAP Gateway for connecting it with Web IDE Personal Edition?

I'm trying to connect SAP Web IDE Personal Edition" (local Web IDE) following this tutorial: https://help.sap.com/viewer/825270ffffe74d9f988a0f0066ad59f0/CF/en-US/2cf47f37e34c428c97a51057733c0394.html But no connection happens. I guess the problem…
Mohamed S. Nasr
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Duplicate Messages in Message Manager

I'm getting duplicate messages in my frontend MessageManager. I know why I'm getting it (msg_code differs between outer and inner messages) but I have no idea how to fix this... It's one simple message returning, using $batch…
Fishrage_
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Why am I getting a date format error in 1 entity?

So I have a SAP Gateway server with some entities that are sent to the client side on request. All the entities currently only have getEntitySet redefined, and everything works fine except in 1 entity. One of the entities, when I try to do…
IsThisNacho
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Value list smart filter bar field of smart table not present despite being configured

I'm having trouble creating a value list for a field in the smart filter bar of a smart table. I have an entity set ApplicationsOverviewItemSet with the following entity type definition in SEGW: The smart table has to display this entity set's…
Joshua Schroijen
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