Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 7C210200B2B for ; Tue, 28 Jun 2016 20:14:13 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 7AC6A160A56; Tue, 28 Jun 2016 18:14:13 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id C4EEC160A28 for ; Tue, 28 Jun 2016 20:14:12 +0200 (CEST) Received: (qmail 71498 invoked by uid 500); 28 Jun 2016 18:14:11 -0000 Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@zookeeper.apache.org Delivered-To: mailing list user@zookeeper.apache.org Received: (qmail 71487 invoked by uid 99); 28 Jun 2016 18:14:11 -0000 Received: from mail-relay.apache.org (HELO mail-relay.apache.org) (140.211.11.15) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 28 Jun 2016 18:14:11 +0000 Received: from mail-lf0-f51.google.com (mail-lf0-f51.google.com [209.85.215.51]) by mail-relay.apache.org (ASF Mail Server at mail-relay.apache.org) with ESMTPSA id 31E4F1A0044 for ; Tue, 28 Jun 2016 18:14:11 +0000 (UTC) Received: by mail-lf0-f51.google.com with SMTP id l188so17129387lfe.2 for ; Tue, 28 Jun 2016 11:14:11 -0700 (PDT) X-Gm-Message-State: ALyK8tJUesziGTm9/K6Fm8cDLxf8hLG93Ci3CqJhMQN//sjC997krV1HSZVmNG/4DjsmeBmWc+vVLukgwSN3gw== X-Received: by 10.25.127.4 with SMTP id a4mr1764063lfd.111.1467137649713; Tue, 28 Jun 2016 11:14:09 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.26.68 with HTTP; Tue, 28 Jun 2016 11:13:30 -0700 (PDT) In-Reply-To: References: From: Patrick Hunt Date: Tue, 28 Jun 2016 11:13:30 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: The current epoch, 1, is older than the last zxid, 8589935882 To: UserZooKeeper Content-Type: multipart/alternative; boundary=001a113eb6e872ab2205365a9ae4 archived-at: Tue, 28 Jun 2016 18:14:13 -0000 --001a113eb6e872ab2205365a9ae4 Content-Type: text/plain; charset=UTF-8 On Thu, Jun 23, 2016 at 10:36 AM, Benjamin Jaton wrote: > Hello, I am running 3.5.0-alpha (1 node) and I sometimes have those: > > 2016-06-23T00:12:23,642 [myid:1] - FATAL > [Thread-2:ZooKeeperServerWrapper$2@271] - ZK server thread has exited with > an exception > java.lang.RuntimeException: Unable to run quorum server > at > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:769) > ~[zookeeper-3.5.0-alpha.jar:?] > at > org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:718) > ~[zookeeper-3.5.0-alpha.jar:?] > at > > org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:183) > ~[zookeeper-3.5.0-alpha.jar:?] > at > > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:120) > ~[zookeeper-3.5.0-alpha.jar:?] > at > > org.apache.zookeeper.server.quorum.RLIQuorumPeerMain.main(RLIQuorumPeerMain.java:20) > ~[rli_shared.jar:?] > Caused by: java.io.IOException: The current epoch, 1, is older than the > last zxid, 8589935882 > at > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:750) > ~[zookeeper-3.5.0-alpha.jar:?] > ... 5 more > > I think it happens after a restart of the machine. > > I have noticed > https://issues.apache.org/jira/browse/ZOOKEEPER-1653 > https://issues.apache.org/jira/browse/ZOOKEEPER-1747 > but those are for 3.4 > > Then I see this one: > https://issues.apache.org/jira/browse/ZOOKEEPER-1549 > which seems to be for the 3.5 branch. > > Is it correct that ZOOKEEPER-1549 this can happen with a single node? I don't believe so, 1549 is only when the ensemble size is larger than 1. Are you only seeing this with 3.5.x? Not with 3.4.x I mean. Patrick --001a113eb6e872ab2205365a9ae4--