I was having the same problem.
I entered the data with milliseconds into sql server directly and it worked
fine.
(As it should - the datetime datatype is valid within 3.3 milliseconds)
That told me is was NOT a SQL issue.
I changed the ,fff to .fff and it worked fine.
I'm trying to
get filtering working so that a given appender only accepts messages from a
given thread.
I'm creating the appenders
at runtime based on an external event. I would like that appender to then
only accept messages from the thread it was created on.
Is this possible without