-Re: getting the server version from a java client
Patrick Hunt 2012-01-30, 18:12
+1, that would be a good api addition.
On Mon, Jan 30, 2012 at 10:10 AM, Mahadev Konar <[EMAIL PROTECTED]> wrote:
> Right now there isnt anyway for the client to tell which version of
> server its talking to. You can probably hack something around the stat
> echo stat | nc hostname clientport to get the version, but other than
> that we dont have such an api. I think its probably worth having such
> an api implemented.
> Here is the output of stat on my laptop:
> Zookeeper version: 3.4.2--1, built on 01/30/2012 17:43 GMT
> Latency min/avg/max: 0/0/0
> Received: 1
> Sent: 0
> Outstanding: 0
> Zxid: 0x500000001
> Mode: follower
> Node count: 7
> On Mon, Jan 30, 2012 at 1:04 AM, N Keywal <[EMAIL PROTECTED]> wrote:
>> What's the recommended way for a client to get the version of the server
>> it's connected to?
>> I would like to write a (java) client that uses the "multi" function
>> available since 3.4.x, with a fall-back implementation if the server is a
>> 3.3. Or at the very least to check that the server is a 3.4+ before using
>> I looked at the java client API but I didn't find a way to get this info.
>> When the client uses "multi" when connected to a 3.3 server, it hangs (I
>> was hoping for something like KeeperException.UnimplementedException, but
>> it's not the case).
>> Thanks in advance for your help,
> Mahadev Konar
> Hortonworks Inc.