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Include code to return more information about the NullReferenceException seen in 

http://opensimulator.org/mantis/view.php?id=5403 prior to doing something about it.
bulletsim
Justin Clark-Casey (justincc) 2011-04-11 23:07:56 +01:00
parent 64dc7e9f14
commit 49d80f5711
1 changed files with 13 additions and 2 deletions
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15
OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
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@ -39,6 +39,8 @@ namespace OpenSim.Data.MySQL
{
public class MySQLGenericTableHandler<T> : MySqlFramework where T: class, new()
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected Dictionary<string, FieldInfo> m_Fields =
new Dictionary<string, FieldInfo>();
@ -217,7 +219,6 @@ namespace OpenSim.Data.MySQL
{
using (MySqlCommand cmd = new MySqlCommand())
{
string query = "";
List<String> names = new List<String>();
List<String> values = new List<String>();
@ -226,6 +227,16 @@ namespace OpenSim.Data.MySQL
{
names.Add(fi.Name);
values.Add("?" + fi.Name);
// Temporarily return more information about what field is unexpectedly null for
// http://opensimulator.org/mantis/view.php?id=5403. This might be due to a bug in the
// InventoryTransferModule or we may be required to substitute a DBNull here.
if (fi.GetValue(row) == null)
throw new NullReferenceException(
string.Format(
"[MYSQL GENERIC TABLE HANDLER]: Trying to store field {0} for {1} which is unexpectedly null",
fi.Name, row));
cmd.Parameters.AddWithValue(fi.Name, fi.GetValue(row).ToString());
}
@ -268,4 +279,4 @@ namespace OpenSim.Data.MySQL
}
}
}
}
}