Symptom
- Dynamic datasource sent by the application is shown in Database Logon but does not take effect.
- Report run fails when the embedded PostgreSQL datasource in the RPT differs from the runtime datasource.
- Error message: "Failed to open the connection. ~tmp190cd848527a7d0.rpt"
- Error code: 31837 ("Failed to open the connection") observed in logs.
- Report runs successfully only when the RPT’s embedded datasource already matches the target runtime datasource.
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Environment
- businessobjects business intelligence platform 2025 patch 10 (14.4.0.5665)
- crystal reports using command objects with parameters
- bo on windows; application on linux containers; database: postgresql
- BI platform search
Keywords
crystal reports, command object, runtime datasource override, failed to open the connection, error 31837, database logon, bo 2025, businessobjects, postgresql jdbc, custom data source, cmc database configuration, sdk override, rpt datasource, dynamic data source, cannot override , KBA , BI-BIP-SCH , BI platform search , Problem
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