Travis Crawford commented on ZOOKEEPER-790:

Just to double-check, I'm really really sure the running jar was freshly built. 
For example, lsof says:

java    4473 root  mem    REG              104,1  1012397  10092999 

Yes, the version number is 3.3.2, but this was built from the 3.3.1 release.

Looking in the log we see:

2010-07-20 23:52:15,893 - INFO  
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:environm...@97] - Server 
environment:zookeeper.version=3.3.1-942149, built on 05/07/2010 17:14 GMT

Should that say built this afternoon? I've double & tripled checked and believe 
this is a newly built jar. Looking in the tarball we don't see 
zookeeper-3.3.2-dev.jar until after building.

> Last processed zxid set prematurely while establishing leadership
> -----------------------------------------------------------------
>                 Key: ZOOKEEPER-790
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-790
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: quorum
>    Affects Versions: 3.3.1
>            Reporter: Flavio Paiva Junqueira
>            Assignee: Flavio Paiva Junqueira
>            Priority: Blocker
>             Fix For: 3.3.2, 3.4.0
>         Attachments: ZOOKEEPER-790-3.3.patch, ZOOKEEPER-790.patch, 
> ZOOKEEPER-790.patch, ZOOKEEPER-790.patch, ZOOKEEPER-790.travis.log.bz2
> The leader code is setting the last processed zxid to the first of the new 
> epoch even before connecting to a quorum of followers. Because the leader 
> code sets this value before connecting to a quorum of followers 
> (Leader.java:281) and the follower code throws an IOException 
> (Follower.java:73) if the leader epoch is smaller, we have that when the 
> false leader drops leadership and becomes a follower, it finds a smaller 
> epoch and kills itself.

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