Re: Using XML for audit trail

Hi Mont,

The example system I had in mind was log4net
<http://logging.apache.org/log4net/>which has an XML Layout
class<%20http://logging.apache.org/log4net/release/sdk/log4net.Layout.XmlLayout.html>.
I've only used its log4j cousin to log Java activity with no problems. The
reason is that it functions very much like John's structured text logging
only XML records with no surrounding "root" tag. CSV or XML, they will both
require some massaging to convert into a single XML log document instead of
a collection of records.

Hope that helps!

Sam



On Fri, Feb 27, 2009 at 12:22 PM, Mont Rothstein
<[email protected]>wrote:

> Sam,
>
> Do you have any insight into the size and volume of the logs in these
> systems.  John indicated that they had failures using XML for logging.
>  Have
> you seen this?
>
> Thanks,
> -Mont
>
>
> On Fri, Feb 27, 2009 at 7:38 AM, Sam Baskinger <[email protected]
> >wrote:
>
> > FWIW, other systems use many small XML documents (xml records) that are
> > appended to a file. Reading the log is then reading many XML documents in
> a
> > row.
> >
> > Sam
> >
> > On Fri, Feb 27, 2009 at 2:31 AM, Ryan Heath <[email protected]>
> > wrote:
> >
> > > You may want to read xml fragments.
> > > See [0] for a good example.
> > >
> > > HTH
> > > // Ryan
> > >
> > > [0]
> > >
> http://www.clariusconsulting.net/blogs/kzu/archive/2007/08/03/29281.aspx
> > >
> > >
> > > On Fri, Feb 27, 2009 at 1:35 AM, Mont Rothstein
> > > <[email protected]> wrote:
> > > > I want to use XML for an audit trail.  The problem I am having is
> that
> > I
> > > > would like to only use append operations to write to the file.
> > > >
> > > > My thought had been to write an element to each line, with
> sub-elements
> > > and
> > > > the end on the same line.  I could then parse each line when reading
> > the
> > > > file.  The problem is I can't figure out how to get the XML for a
> > > > node/element/document, and all of the sub-elements, to write out as a
> > > single
> > > > line.
> > > >
> > > > Alternatively  I could use some other mechanism to parse the file and
> > > read
> > > > each audit entry (xml element with sub-elements) in sequence.
> > > >
> > > > Any suggestions on how to either write the XML as a single line or a
> > > > preferred method for parsing elements in a file one at a time?
> > > >
> > > > Thanks,
> > > > -Mont
> > > >
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