FIX: The "getSQLState" method returns an incorrect SQL state code value of an exception in Microsoft SQL Server JDBC Driver 3.0

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

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How to reproduce this issue

To reproduce this issue, follow these steps:

1. Run the following statement in SQL Server Management Studio. This statement creates a table.CREATE TABLE [dbo].[Tbl1](
   [Col1] [nvarchar](50) NULL
   ) ON [PRIMARY]
   GO

2. Run the following statement in SQL Server Management Studio. This statement creates a unique clustered index.CREATE UNIQUE CLUSTERED INDEX [IDX_COL1] ON [dbo].[Tbl1]
   (
   [Col1] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   GO

3. Run the following statement in SQL Server Management Studio. This statement inserts a record into the table.insert [dbo].[Tbl1] (col1) values ('aaa')

4. Create a Java-based application that includes the following code, and then run the application. This code inserts a duplicate record. try {
   //logger.log(Level.FINE, "starting log");
   Class.forName ("com.microsoft.sqlserver.jdbc.SQLServerDriver");
   String connectionUrl = "jdbc:sqlserver://<SQL Server Name>;database=<database name>;user=<Login Name>;password=<Login Password>;XOpenStates=true";
   Connection con = DriverManager.getConnection(connectionUrl);
   
   Statement stat = con.createStatement();
   
   stat.execute("insert into Tbl1 values ('aaa')");
   
   con.close();
   
   }
   
   catch(SQLException ex)
   {
   //logger.log(Level.FINE,"exception");
   
   System.out.println("SQL Error Message= " + ex.getMessage());
   String sqlState = ex.getSQLState();
   
   System.out.println("SQLState="+sqlState);
   
   System.out.println("SQL Error Code=" +ex.getErrorCode());
   
   }