On Wed, 2008-03-26 at 14:15 +0000, João Aguiam wrote: > I haven't explain myself correctly. This method is in > DatagramSoctekImpl class. This class is abstract and java.net doesn't > provide a concretization. How can I solve this? > > thanks > joao If it's abstract, you have to provide your own implementation. I don't know if it's possible to get a TTL for a socket in pure java (I think you need OS support for that, but I may be wrong). You can give a look at PlainDatagramSocketImpl (and it's delegated implementation) to have an idea on how to implement this method. Cheers, Mario -- Mario Torre, Software Developer, http://www.jroller.com/neugens/ aicas Allerton Interworks Computer Automated Systems GmbH Haid-und-Neu-Straße 18 * D-76131 Karlsruhe * Germany http://www.aicas.com * Tel: +49-721-663 968-53 pgp key: http://subkeys.pgp.net/ PGP Key ID: 80F240CF Fingerprint: BA39 9666 94EC 8B73 27FA FC7C 4086 63E3 80F2 40CF USt-Id: DE216375633, Handelsregister HRB 109481, AG Mannheim Geschäftsführer: Dr. James J. Hunt Please, support open standards: http://opendocumentfellowship.org/petition/ http://www.nosoftwarepatents.com/