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Editorial Team
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Asked: 2026-06-13T08:09:25+00:00

I am trying to call a stored procedure whose one parameter is sqlstructure type

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I am trying to call a stored procedure whose one parameter is sqlstructure type of MS SQL.I have passed String[] array but it threw this exception

WARNING: #{reportingCharts.getGraphValuesOnLocationBasis}: org.springframework.jdbc.UncategorizedSQLException: PreparedStatementCallback; uncategorized SQLException for SQL [{CALL dbo.up_Chart_SelectPersonCountByRankLocation(?,?,?,?,?)}]; SQL state [null]; error code [0]; The conversion from UNKNOWN to UNKNOWN is unsupported.; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: The conversion from UNKNOWN to UNKNOWN is unsupported.
javax.faces.FacesException: #{reportingCharts.getGraphValuesOnLocationBasis}: org.springframework.jdbc.UncategorizedSQLException: PreparedStatementCallback; uncategorized SQLException for SQL [{CALL dbo.up_Chart_SelectPersonCountByRankLocation(?,?,?,?,?)}]; SQL state [null]; error code [0]; The conversion from UNKNOWN to UNKNOWN is unsupported.; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: The conversion from UNKNOWN to UNKNOWN is unsupported.

So I think it is not accepting the array as a parameter for structure.
Unfortunately nowhere I can find an example about how to use it in java.
How can i pass my this array/list to this stored procedure? OR what would be the alternate for c# SqlDbType.Structured in java?

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  1. Editorial Team

    Refer to Microsoft JDBC Driver Team Blog , the JDBC driver supported by TVP has not been released yet. There is a workaround :packing the values in a binary form ,cracking it on the server and passing it to a table valued function. For JDBC driver this argument has to be passed as binary.
    See this link you will find all the MSsql datatypes for java.

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