On 04/26/2010 12:33 PM, Andrew Haley wrote: > On 04/26/2010 12:15 PM, Robert Lougher wrote: >> On 26 April 2010 11:23, Andrew Haley <aph@xxxxxxxxxx> wrote: >>> On 04/23/2010 06:26 PM, Andrew Haley wrote: >>>> Does anyone here have any idea how to turn on IPP logging in GNU Classpath? >>>> It's used like: >>>> >>>> logger.log(Component.IPP, "Attribute: Name: <" + jobUri.getCategory() >>>> .getName() + "> Value: <" + jobUri.toString() + ">"); >>>> >>>> It would be very useful to enable this, but I just can't figure it out. >>> >>> Is there really no-one understands how to use Classpath's system logger, >>> or is it that no-one reads this list any more? >>> >> >> I still read this list, but unfortunately I know nothing about logging >> in GNU Classpath, or even what IPP is! A quick google search did turn >> this up, but I expect you aready know this: >> >> Logger for tracing - enable by passing >> -Dgnu.classpath.debug.components=ipp to the vm. >> >> http://www.docjar.org/docs/api/gnu/javax/print/ipp/IppPrintService.html > > Hmm, that gives me a blank page. Never mind, that's the clue I needed. > > Thanks very much, Right, got it working. As above, plus java.util.logging.ConsoleHandler.level = FINEST There seems to be some bug (?) where simply setting .level = FINEST doesn't work, and this was stopping all output. Ta, Andrew.