Re: Update usage?

[Ian K. <spi...@gm...>]

OK, thanks for the usage example with update, that helped. I have code
now that runs and passes its tests. A peculiar thing seems evident
from my experience with this, the dnsjava 2.0.0 classes appear to be
sensitive to how the classes are loaded. I found this when the
simplest thing worked in a command line class (in public static void
main), worked from the command line invoked by a JUnit TestCase but
failed with NullPointerExceptions when the same TestCase was run by
the the maven (v1.0.2) build system I had. A typical stacktrace would
look like this:

    [junit] java.lang.NullPointerException
    [junit]     at org.xbill.DNS.Record.getTypedObject(Record.java:64)
    [junit]     at org.xbill.DNS.Record.getEmptyRecord(Record.java:87)
    [junit]     at org.xbill.DNS.Record.fromString(Record.java:503)
    [junit]     at org.xbill.DNS.Record.fromString(Record.java:527)
    [junit]     at org.xbill.DNS.Update.add(Update.java:136)
    [junit]     at org.xbill.DNS.Update.replace(Update.java:253)

Anway, I worked around it by throwing together an ant build system for
my project and everything worked. Weird.
-Ian

On 11/29/05, Brian Wellington <bwe...@no...> wrote:
> On Tue, 29 Nov 2005, Ian Kallen wrote:
>
> > I've been trying to use org.xbill.DNS.Update (using various
> > permutations, with/without TSIG, TCP, etc) with 2.0.0 and I just get
> > silent failure (I got NullPointerExceptions with 1.6.6, so maybe
> > that's a a step up :).
> > The BIND installation is the one that comes with Mac OS 10.4 (Tiger),
> > I have a zone "rbl" that is configured to accept updates from
> > localhost (also tried with a TSIG key).
> >
> > My test does a query (expecting there to be no record), does an update
> > and then runs the query again. Running BIND with logging set to
> > "dynamic", I get the following:
>
> Unfortunately, BIND's logging is verbose but not useful.
>
> > Any idea what the "request failed: end of file" means and how to deal
> > with this?
>
> No clue.
>
> > The dynamic update example at
> > http://www.xbill.org/dnsjava/examples.html didn't work. The
> > update.java in the distribution... it's not clear how to use it and
> > anyway, it's pretty complicated; I just need to send single short TTL
> > updates to a BIND server. Any pointers to working code that uses
> > org.xbill.DNS.Update would be appreciated.
>
> Other than a minor typo (should be args[0] instead of args[1]), the updat=
e
> example works for me, assuming the server is properly configured with the
> zone and TSIG key in the program.
>
> I'm not sure what's confusing about the update program.  It has pretty
> complete help for all of the commands, and the usage to add a single
> record would be something like:
>
> > server <ip address of server>
> > zone <zone name>
> > add <name> <ttl> <type> <data>
> > send
>
> or, as an example:
>
> > server 127.0.0.1
> > zone example
> > add foo 3600 A 1.2.3.4
> > send
>
> If you fix the one character typo in the example, it is working code.
>
> Brian
>