SAP Knowledge Base Article - Preview

2601445 - SAP Gateway hub returns STRING_SIZE_TOO_LARGE dump for OData request (when requesting large amount of data)

Symptom

OData request fails on the SAP Gateway hub system with XML format (?$format=xml) OData requests:

  • with the following error message in the response body:

Runtime Error: 'STRING_SIZE_TOO_LARGE'. The OData request processing has been abnormally terminated. If "Runtime Error" is not initial, launch transaction ST22 for details and analysis. Otherwise, launch transaction SM21 for system log analysis.

AND

  • STRING_SIZE_TOO_LARGE dump generated in transaction ST22:

Category: ABAP programming error
Runtime Errors: STRING_SIZE_TOO_LARGE
ABAP Program: /IWCOR/CL_DS_EP_WRITER_XML====CP
Application Component: OPU-FND-CCL

AND

  • No error is written in the Gateway Error Log (transaction /n/IWFND/ERROR_LOG)

(The same OData request might succeed for JSON format, when "?$format=json" is used instead of "?$format=xml".)


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Environment

SAP Gateway

Product

SAP Gateway all versions

Keywords

CONCATENATE ls_feed-entries lv_entry INTO ls_feed-entries., /IWCOR/CL_DS_EP_WRITER_XML, REST client, Fiori application, SAPUI5, large amount, huge, data , KBA , OPU-FND-CCL , Gateway Consumer Connectivity Layer , BC-MID-ICF , Internet Communication Framework , OPU-GW-COR , Gateway Framework , Problem

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