fix bug in SimpleResultSet::beforeFirst()

needs to throw a SQLException not a DbException

h2/src/main/org/h2/tools/SimpleResultSet.java

@@ -30,7 +30,6 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Map;
 import java.util.UUID;
-
 import org.h2.api.ErrorCode;
 import org.h2.jdbc.JdbcResultSetBackwardsCompat;
 import org.h2.message.DbException;
@@ -243,7 +242,7 @@ public class SimpleResultSet implements ResultSet, ResultSetMetaData,
     @Override
     public void beforeFirst() throws SQLException {
         if (autoClose) {
-            throw DbException.get(ErrorCode.RESULT_SET_NOT_SCROLLABLE);
+            throw DbException.get(ErrorCode.RESULT_SET_NOT_SCROLLABLE).getSQLException();
         }
         rowId = -1;
         if (source != null) {