Update(Put) No Response Data

[former_member203215]

I Created a Gateway Service for Read,Create and Update . In Read(Get),Create(Post) I'm getting Response Data But for

Update(Put) I'm not getting any Response data as shown below

Thanks ...

[AshwinDutt · Accepted solution]

Hello

Successfull update will always shows 204 and no content is retuned.

So u need to raise an exception when ur update fails with the error messages.

When no error are encountered during update and if its success then u can decide update is successful based on 204 status.

U can also set ur custom messages as well like Syam suggested with appropriate success message returned by ur backend logic.

Regards

Ashwin

[AshwinDutt]

Hello Ravi,

Please have a look at this :

Regards,

Ashwin

[former_member203215]

Thanks All,

Can anybody please provide me a sample code how to raise an exception from the update method.

[sreehari_vpillai]

Open the UPDATE_ENTITY method in *_DPC class. There you can find the "RAISE EXCEPTION" clause generated by sap. You can follow the same.

Sree

[kammaje_cis]

Here it is.

/IWBEP/CX_MGW_BUSI_EXCEPTION - SAP NetWeaver Gateway Foundation (SAP_GWFND) - SAP Library

[kammaje_cis]

Sending error messages (with return code 204) for an Update operation in Response Header is a workaround and not really  OData compliant. You need to raise an exception if you need to get error messages as others suggested.

[sreehari_vpillai]

Ravi,

"When processing a PUT request servers return status 204 (No Content) to indicate success, no response body is needed"

Sreehari

[former_member203215]

Thanks for your reply.

But while updating in crm we get return message like email is not provide etc...

so I want to display messsage which returned from function modulee....

[SyambabuAllu]

Hi Ravi,

If you want to display messages in Update and Delete operations, you can use below code. the messages you can see in response headers.

DATA ls_header  TYPE ihttpnvp.

IF lv_message IS NOT INITIAL.
ls_header-name = 'STATUS' .
ls_header-value = lv_message.
/iwbep/if_mgw_conv_srv_runtime~set_header( ls_header ).
else.
ls_header-name = 'STATUS' .
ls_header-value = 'FAIL'."lv_message.
/iwbep/if_mgw_conv_srv_runtime~set_header( ls_header ).

Thanks

Syam

[sreehari_vpillai]

Raise proper exceptions . Remember, OData is a protocol with defined rules . It does not support return data on success PUT. As a work around, you can manipulate it with POST operation . Wait a minute, do you really want to try that ? NO. Raise exceptions properly

Sree