I am getting this error when I am running SSRS report from service account. I am able to open the report manually as well I can connect to database also credential stored in reporting server.
C:\Program Files\Microsoft SQL Server\MSRS10.MSSQLSERVER\Reporting Services\LogFiles content are below:
processing!ReportServer_0-52!6a88!07/28/2020-06:17:09:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot create a connection to data source 'PPY_DS'., ;
Info: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot create a connection to data source 'PPY_DS'. ---> System.Exception: OCIEnvCreate failed with return code -1 but error message text was not available.
at System.Data.OracleClient.OciHandle..ctor(OciHandle parentHandle, HTYPE handleType, MODE ocimode, HANDLEFLAG handleflags)
at System.Data.OracleClient.OciEnvironmentHandle..ctor(MODE environmentMode, Boolean unicode)
at System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName)
at System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions)
at System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OracleClient.OracleConnection.Open()
at Microsoft.ReportingServices.DataExtensions.ConnectionExtension.Open()
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSource.OpenDataExtensionConnection(DataSource dataSourceObj, OnDemandProcessingContext pc, CreateDataExtensionInstance createDataExtensionInstance)
--- End of inner exception stack trace ---
processing!ReportServer_0-52!6a88!07/28/2020-06:17:09:: e ERROR: Data source 'PPY_DS': An error has occurred. Details: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot create a connection to data source 'PPY_DS'. ---> System.Exception:
OCIEnvCreate failed with return code -1 but error message text was not available.
processing!ReportServer_0-52!6a88!07/28/2020-06:17:09:: e ERROR: An exception has occurred in data source 'PPY_DS'. Details: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot create a connection to data source 'PPY_DS'. --->
System.Exception: OCIEnvCreate failed with return code -1 but error message text was not available.
processing!ReportServer_0-52!6a88!07/28/2020-06:17:09:: i INFO: DataPrefetch abort handler called for Report with ID=. Aborting data sources ...
processing!ReportServer_0-52!6a88!07/28/2020-06:17:09:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing., ;
Info: Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing. ---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot create a connection to data source 'PPY_DS'.
---> System.Exception: OCIEnvCreate failed with return code -1 but error message text was not available.
--- End of inner exception stack trace ---
chunks!ReportServer_0-52!6a88!07/28/2020-06:17:09:: w WARN: Rolling back shared chunk transaction for snapshot 'bc88e972-6a96-41cd-b134-02b39bdd7b63', Permanent=True.
Could you please help me with this error.
Thanks
Sandeep