Oh, great, I’m still having my incomplete patch locally for that Jira.
Abandoned a while ago, but I think I can come back to this possibly tomorrow.

Thanks for the heads up! :)

Andor



> On 2019. Nov 25., at 19:39, Daniel Chan <daniel.cw.c...@oracle.com> wrote:
> 
> Thanks Patrick and Tamas for the information.
> 
> Is there any ETA on https://issues.apache.org/jira/browse/ZOOKEEPER-3568?
> 
> We are currently running on 3.4.9 server and 3.4.6 client. If moving to 
> 3.5.6, should we upgrade the server or client first?
> 
> Thanks,
> Daniel
> 
> -----Original Message-----
> From: Patrick Hunt <ph...@apache.org> 
> Sent: Monday, November 25, 2019 9:55 AM
> To: UserZooKeeper <user@zookeeper.apache.org>
> Subject: Re: Does ZK 3.4.14 support Netty 4.1.42.Final?
> 
> This was discussed relatively recently:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.apache.org_thread.html_680038b345da49a3d5cb452de5d54d62f14d1df0747690980c218c1a-40-253Cdev.zookeeper.apache.org-253E&d=DwIBaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=JE3yjNS4hXa8nS9n2uFCwEqMvv18hzzEnqunUhCoEns&m=BbAVeHS1OYH8LyYFALpMB3Y_LWoECeuvBs41uJRNkAQ&s=pRvPNkgqtf35FPguSMVExKsUyE1EYZcI3trC9TpwszQ&e=
>  
> 
> Gist is that while the identified issue didn't affect us directly folks 
> should move to 3.5 (or don't use netty in 3.4) given 3.4 is using a version 
> of netty that's no longer supported and too difficult to upgrade.
> 
> Patrick
> 
> 
> On Sat, Nov 23, 2019 at 12:36 AM Tamas Penzes <tam...@cloudera.com.invalid>
> wrote:
> 
>> Hi Daniel,
>> 
>> I remember that the migration from Netty 3 to 4 wasn't a trivial task, 
>> so I would not expect it in any future ZK 3.4 release.
>> 
>> But we have ZK 3.5.5 and 3.5.6 and the migration to any of them is not 
>> really problematic since they are backward compatible. We have done it 
>> for many Hadoop component, without big code changes (if you use 
>> Curator, don't forget to use 4.2.0+ and exclude it's own beta ZK).
>> 
>> So the best is to try ZK 3.5.6.
>> 
>> Regards, Tamaas
>> 
>> On Sat, Nov 23, 2019, 00:52 Daniel Chan <daniel.cw.c...@oracle.com> wrote:
>> 
>>> Hi,
>>> 
>>> From
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__mvnrepository.c
>>> om_artifact_org.apache.zookeeper_zookeeper_3.4.14&d=DwIBaQ&c=RoP1Yum
>>> CXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=JE3yjNS4hXa8nS9n2uFCwEqMvv18h
>>> zzEnqunUhCoEns&m=BbAVeHS1OYH8LyYFALpMB3Y_LWoECeuvBs41uJRNkAQ&s=PL7JU
>>> eCo6BJ1AJDl7Egx5u7-xSEf3SnaECIWRnvMoGc&e=
>> ,
>>> Zookeeper depends on Netty 3.10.6.Final.
>>> 
>>> However, Netty has CVEs for versions prior to 4.1.42.Final as per 
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__nvd.nist.gov_vuln_detail_CVE-2D2019-2D16869&d=DwIBaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=JE3yjNS4hXa8nS9n2uFCwEqMvv18hzzEnqunUhCoEns&m=BbAVeHS1OYH8LyYFALpMB3Y_LWoECeuvBs41uJRNkAQ&s=K0DkivRX3n0O2CrM65WwY-BsIsqbeTQRjwL6hVTfjFg&e=
>>>  :
>>> Netty before 4.1.42.Final mishandles whitespace before the colon in 
>>> HTTP headers (such as a "Transfer-Encoding : chunked" line), which 
>>> leads to
>> HTTP
>>> request smuggling.
>>> 
>>> Will Zookeeper (both client and server) work if we use Netty 
>>> 4.1.42.Final or above instead?
>>> 
>>> Also what jars are needed for the Zookeeper Client?
>>> 
>>> Thanks,
>>> Daniel
>>> 
>> 

Reply via email to