Thanks that you try to help me, but i still get error message InvalidRequestException(why:TimeUUID should be 16 or 0 bytes (3)) This code UUID timeUUID = getTimeUUID(); doesn't solve my problem.
9 квітня 2011 р. 01:16 Ed Anuff <e...@anuff.com> написав: > Oops, I should have been more clear. You have this code: > > UUID timeUUID = getTimeUUID().randomUUID(); > > what you need is this code: > > UUID timeUUID = getTimeUUID(); > > What I meant by not understanding the error message was that I thought > the TimeUUIDType gave a different error message than the one your're > seeing when you put a random UUID into a time UUID CF. Try the above > fix and see if it makes the problem go away. > > Ed > > 2011/4/8 Patrick Julien <pjul...@gmail.com>: > > I think this is what you're looking for > > > > http://wiki.apache.org/cassandra/FAQ#working_with_timeuuid_in_java > > > > 2011/4/8 Олександр Силка <sylkaa...@gmail.com>: > >> > >> Then how i can generate correct time UUID key in java ? > >> > >> 8 квітня 2011 р. 22:58 Ed Anuff <e...@anuff.com> написав: > >>> > >>> Hmm, if you're really doing this, you're not getting a time uuid: > >>> > >>> UUID timeUUID = getTimeUUID().randomUUID(); > >>> > >>> That call to randomUUID() is invoking the static randomUUID() method > >>> in java.util.UUID which is generating a non-time random uuid. I'm not > >>> sure why you're getting that error message though. > >>> > >>> Ed > >>> > >>> 2011/4/8 Олександр Силка <sylkaa...@gmail.com>: > >>> > Hi everyone, > >>> > I have column family called site sorted > >>> > by org.apache.cassandra.db.marshal.TimeUUIDType. > >>> > When I try to save some data using hector i get next > >>> > message InvalidRequestException(why:TimeUUID should be 16 or 0 bytes > >>> > (3)). > >>> > My Cassandra version 0.7.0 > >>> > > >>> > This is snippets of my code: > >>> > public static java.util.UUID getTimeUUID() { > >>> > return java.util.UUID.fromString(new > com.eaio.uuid.UUID().toString()); > >>> > } > >>> > UUID timeUUID = getTimeUUID().randomUUID(); > >>> > List<HColumn<String, String>> columns = > DaoHelper.getStringCols(site); > >>> > Mutator<UUID> mutator = HFactory.createMutator(keyspace, > >>> > UUIDSerializer.get()); > >>> > for (HColumn<?, ?> column : columns) { > >>> > mutator.addInsertion(timeUUID, columnFamilyName, column); > >>> > } > >>> > I am new in Cassandra and i really want to understand how it works.So > >>> > please > >>> > help me. > >> > >> > > >
