From user-return-11537-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Wed Jul 4 17:04:50 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id ED268180608 for ; Wed, 4 Jul 2018 17:04:48 +0200 (CEST) Received: (qmail 77535 invoked by uid 500); 4 Jul 2018 15:04:47 -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 77511 invoked by uid 99); 4 Jul 2018 15:04:46 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Jul 2018 15:04:46 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 80541C00B1 for ; Wed, 4 Jul 2018 15:04:46 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.891 X-Spam-Level: * X-Spam-Status: No, score=1.891 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, NORMAL_HTTP_TO_IP=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01, WEIRD_PORT=0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id TF_Z0I3TmpTg for ; Wed, 4 Jul 2018 15:04:37 +0000 (UTC) Received: from mail-lj1-f182.google.com (mail-lj1-f182.google.com [209.85.208.182]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 8E0615F30E for ; Wed, 4 Jul 2018 15:04:36 +0000 (UTC) Received: by mail-lj1-f182.google.com with SMTP id a6-v6so4537829ljj.7 for ; Wed, 04 Jul 2018 08:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=rePcA+4RD5s9igzBQUHlvIwuSUbDIYpYRw8tRdlAZRI=; b=GuODMoukAM+4t5c32Bl7y9lvROWfioP5/tTrpmvtX9xvVSmFfi8JS4YsKUljl0gVvw zBs3P7sVwnYL9q5YxUBkXKFkTDwEAM0eHpcsqcakhQiwElfqn1xfm1MYigtJsLaMTqk7 wzmSamZftpj+TKAWM0hY4WUQAiBw4+rCLjt0x3wKwabj7qpmhaX8Ln8+fbLadSmPlsLJ 5uhLX9Eg2A1vkZCP3mG5Te74A/cZvJVFORpo1MxPFTNzyH8AJrA8cjZUjcYjQ5ccl8ro xllgM/QTS2M2k4MzKTX6Zzt6O88XDMqdUaPUU9u3HpaBfV1ILT0a5sEhKWhW8FLmE/Hi nQcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=rePcA+4RD5s9igzBQUHlvIwuSUbDIYpYRw8tRdlAZRI=; b=MV5V6kfIbOfvKvEC/mOCzw32tB9iWM7hx/W71je9C1iFfFrAQQPBQxVvwiLXNRytNr afA1wpZ4Zg3k2j2vRwnb3wqXTMqcecS8z2Esd5IpAUwA7XNczjXhLCsYKDX69L93BZxP xh6EO6mn2DfhX6a7bXJ9M0NsPJY84lGMabldJ9C+eQbXY6GRpsE8JJck22eJ1LM9Zb/U mJxG7ohVlS1jSrvL2BlBxkTdMIA/3cUYQzwxISZ/gGQ01MXh3DZrK5qg0Xac7+KzFZSd hoZ3CUc2PbdjwPdtRVR839yKwSKBoZaw2kU2AyDXwByKa658HoqAXag+2LjkCzKzO3fL RLdQ== X-Gm-Message-State: APt69E38MGMtjK+eeAox38STusc39bPdVPR+qyZ3yEp78+Ek4tzdqq4k kEGF+SJ+ubwwqoHa36o4ifzjsmLuY6moy5Fyd4yCIA== X-Google-Smtp-Source: AAOMgpe16IRqC+pKvIcFXDLbObYQ3WzRxjIH2xOzXjXwnR+TqwXR1XXxlYH2qmFRPkICd0nDQ4bCdTLeDe5JqvKx7mQ= X-Received: by 2002:a2e:6a04:: with SMTP id f4-v6mr1735135ljc.109.1530716674624; Wed, 04 Jul 2018 08:04:34 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Benjamin Jaton Date: Wed, 4 Jul 2018 08:04:23 -0700 Message-ID: Subject: Re: Follower never recovers and keeps saying ZooKeeperServer not running To: user@zookeeper.apache.org Content-Type: multipart/alternative; boundary="000000000000a491e505702dbfd5" --000000000000a491e505702dbfd5 Content-Type: text/plain; charset="UTF-8" Ah interestingly we did increase the znode size to ~ 40m. Think this can be linked? On Tue, Jul 3, 2018 at 10:55 PM Steph van Schalkwyk wrote: > I've seen this bur can't remember what caused it. > What's your zNode size? > steph > > On Tue, Jul 3, 2018, 9:17 PM Benjamin Jaton > wrote: > > > Hello, > > > > I'm wondering what can cause a ZK follower to check out like this: > > > > 2018-07-03T13:43:28,814 [myid:] - ERROR [LearnerHandler-/ > 10.0.0.248:40282 > > :LearnerHandler@620] - Unexpected exception causing shutdown while sock > > still open > > java.io.EOFException: null > > at java.io.DataInputStream.readInt(DataInputStream.java:392) > > ~[?:1.8.0_171] > > at > > org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63) > > ~[zookeeper-3.5.0-alpha.jar:3.5.2-alpha-SNAPSHOT-1702518] > > at > > > > > org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:99) > > ~[zookeeper-3.5.0-alpha.jar:3.5.2-alpha-SNAPSHOT-1702518] > > at > > > > > org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:514) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T13:43:28,814 [myid:] - WARN [LearnerHandler-/ > 10.0.0.248:40282 > > :LearnerHandler@635] - ******* GOODBYE /10.0.0.248:40282 ******** > > 2018-07-03T13:43:28,814 [myid:] - ERROR [LearnerHandler-/ > 10.0.0.237:54408 > > :LearnerHandler@620] - Unexpected exception causing shutdown while sock > > still open > > java.io.EOFException: null > > at java.io.DataInputStream.readInt(DataInputStream.java:392) > > ~[?:1.8.0_171] > > at > > org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63) > > ~[zookeeper-3.5.0-alpha.jar:3.5.2-alpha-SNAPSHOT-1702518] > > at > > > > > org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:99) > > ~[zookeeper-3.5.0-alpha.jar:3.5.2-alpha-SNAPSHOT-1702518] > > at > > > > > org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:514) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T13:43:28,814 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46754 > > 2018-07-03T13:43:28,814 [myid:] - WARN [LearnerHandler-/ > 10.0.0.237:54408 > > :LearnerHandler@635] - ******* GOODBYE /10.0.0.237:54408 ******** > > 2018-07-03T13:43:28,814 [myid:] - INFO > > [ConnnectionExpirer:MBeanRegistry@128] - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Leader,name3=Connections,name4=10.0.0.111,name5=0x200005f37660000] > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33198 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46780 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33268 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [ConnnectionExpirer:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.111:39162 which had sessionid 0x200005f37660000 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46810 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46824 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46826 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):Leader@613 > > ] > > - Shutting down > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33316 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33548 > > 2018-07-03T13:43:28,815 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):Leader@619 > > ] > > - Shutdown called > > java.lang.Exception: shutdown Leader! reason: Not sufficient followers > > synced, only synced with sids: [ [2] ] > > at > > org.apache.zookeeper.server.quorum.Leader.shutdown(Leader.java:619) > > [zookeeper-3.5.0-alpha.jar:?] > > at > org.apache.zookeeper.server.quorum.Leader.lead(Leader.java:590) > > [zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1077) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T13:43:28,815 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:33198 (no session > > established for client) > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Leader,name3=Connections,name4=10.0.0.237,name5=0x20000629130001b] > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [WorkerReceiver[myid=2]:FastLeaderElection@688] - Notification: 2 > (message > > format version), 3 (n.leader), 0x9000001cb (n.zxid), 0x0 (n.round), > LOOKING > > (n.state), 3 (n.sid), 0x9 (n.peerEPoch), LEADING (my state)300000066 > > (n.config version) > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.237:45602 which had > > sessionid > > 0x20000629130001b > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Leader,name3=Connections,name4=10.0.0.248,name5=0x2000005cf2a0008] > > 2018-07-03T13:43:28,816 [myid:] - INFO > > [WorkerReceiver[myid=2]:FastLeaderElection@688] - Notification: 2 > (message > > format version), 3 (n.leader), 0x9000001cb (n.zxid), 0x7 (n.round), > LOOKING > > (n.state), 3 (n.sid), 0x9 (n.peerEPoch), LEADING (my state)300000066 > > (n.config version) > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:53764 which had > > sessionid > > 0x2000005cf2a0008 > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:33268 (no session > > established for client) > > 2018-07-03T13:43:28,816 [myid:] - WARN > > [NIOWorkerThread-20:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Leader,name3=Connections,name4=10.0.0.248,name5=0x2000005cf2a000a] > > 2018-07-03T13:43:28,816 [myid:] - INFO > > [NIOWorkerThread-20:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.237:46826 (no session established for client) > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:53758 which had > > sessionid > > 0x2000005cf2a000a > > 2018-07-03T13:43:28,816 [myid:] - INFO > > [LearnerCnxAcceptor-0.0.0.0/0.0.0.0:2888:Leader$LearnerCnxAcceptor@373] > - > > exception while shutting down acceptor: java.net.SocketException: Socket > > closed > > 2018-07-03T13:43:28,816 [myid:] - WARN > > [NIOWorkerThread-20:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,816 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Leader,name3=Connections,name4=10.0.0.248,name5=0x30000209a080002] > > 2018-07-03T13:43:28,816 [myid:] - INFO > > [NIOWorkerThread-20:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.237:46810 (no session established for client) > > 2018-07-03T13:43:28,817 [myid:] - WARN > > [NIOWorkerThread-6:NIOServerCnxn@369] > > - Exception causing close of session 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:53760 which had > > sessionid > > 0x30000209a080002 > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [NIOWorkerThread-6:NIOServerCnxn@606] > > - Closed socket connection for client /10.0.0.237:46780 (no session > > established for client) > > 2018-07-03T13:43:28,817 [myid:] - WARN > > [NIOWorkerThread-4:NIOServerCnxn@369] > > - Exception causing close of session 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,817 [myid:] - INFO > [SessionTracker:ZooKeeperServer@384 > > ] > > - Expiring session 0x300006dbd91000b, timeout of 15000ms exceeded > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):ZooKeeperServer@498 > > ] > > - shutting down > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [NIOWorkerThread-4:NIOServerCnxn@606] > > - Closed socket connection for client /10.0.0.248:33548 (no session > > established for client) > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):SessionTrackerImpl@232 > > ] > > - Shutting down > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [SessionTracker:QuorumZooKeeperServer@132] - Submitting global > > closeSession > > request for session 0x300006dbd91000b > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):LeaderRequestProcessor@77 > > ] > > - Shutting down > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):PrepRequestProcessor@967 > > ] > > - Shutting down > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [SessionTracker:SessionTrackerImpl@158] - SessionTrackerImpl exited > loop! > > 2018-07-03T13:43:28,817 [myid:] - INFO [ProcessThread(sid:2 > > cport:-1)::PrepRequestProcessor@154] - PrepRequestProcessor exited loop! > > 2018-07-03T13:43:28,815 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46908 > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33786 > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:46954 > > 2018-07-03T13:43:28,817 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33992 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47010 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34240 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47084 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47142 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47248 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34532 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47314 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47342 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47384 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34706 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47452 > > 2018-07-03T13:43:28,818 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47496 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47512 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34878 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47580 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47620 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35086 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47700 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47748 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47772 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47886 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47894 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47920 > > 2018-07-03T13:43:28,819 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:47998 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48018 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48020 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48136 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48138 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48140 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48172 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35898 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48294 > > 2018-07-03T13:43:28,820 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48296 > > 2018-07-03T13:43:28,817 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):ProposalRequestProcessor@88 > > ] > > - Shutting down > > 2018-07-03T13:43:28,816 [myid:] - INFO > > [WorkerReceiver[myid=2]:FastLeaderElection@688] - Notification: 2 > (message > > format version), 1 (n.leader), 0x9000001cb (n.zxid), 0x7 (n.round), > LOOKING > > (n.state), 1 (n.sid), 0x9 (n.peerEPoch), LEADING (my state)300000066 > > (n.config version) > > 2018-07-03T13:43:28,817 [myid:] - WARN > > [NIOWorkerThread-20:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,821 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48298 > > 2018-07-03T13:43:28,821 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):CommitProcessor@358 > > ] > > - Shutting down > > 2018-07-03T13:43:28,821 [myid:] - INFO > > [NIOWorkerThread-20:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.237:46754 (no session established for client) > > 2018-07-03T13:43:28,821 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:48334 > > 2018-07-03T13:43:28,821 [myid:] - INFO > > [CommitProcessor:2:CommitProcessor@193] - CommitProcessor exited loop! > > 2018-07-03T13:43:28,821 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:36162 > > 2018-07-03T13:43:28,821 [myid:] - WARN > > [NIOWorkerThread-20:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,821 [myid:] - WARN > > [NIOWorkerThread-16:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,821 [myid:] - WARN > > [NIOWorkerThread-31:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T13:43:28,821 [myid:] - WARN > > [NIOWorkerThread-11:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > > > The rest are more failed clients connections attempts and > "ZooKeeperServer > > not running" messages for hours. > > > > > > There was an event before that that could be linked: > > > > 2018-07-03T12:42:27,639 [myid:] - INFO > > [NIOWorkerThread-7:NIOServerCnxn@606] > > - Closed socket connection for client /10.0.0.237:35536 (no session > > established for client) > > 2018-07-03T12:47:28,864 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33256 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35568 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33544 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35672 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:33788 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35756 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34014 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35840 > > 2018-07-03T12:47:28,865 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34244 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35924 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34466 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:35994 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34730 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36086 > > 2018-07-03T12:47:28,866 [myid:] - WARN > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):Follower@93 > > ] > > - Exception when following the leader > > java.net.SocketException: Broken pipe (Write failed) > > at java.net.SocketOutputStream.socketWrite0(Native Method) > > ~[?:1.8.0_171] > > at > > java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111) > > ~[?:1.8.0_171] > > at java.net.SocketOutputStream.write(SocketOutputStream.java:155) > > ~[?:1.8.0_171] > > at > > java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) > > ~[?:1.8.0_171] > > at > > java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) > > ~[?:1.8.0_171] > > at > > org.apache.zookeeper.server.quorum.Learner.writePacket(Learner.java:141) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.zookeeper.server.quorum.Learner.ping(Learner.java:609) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > > > > org.apache.zookeeper.server.quorum.Follower.processPacket(Follower.java:116) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > > org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:90) > > [zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1064) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34944 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36166 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Follower] > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:34952 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36172 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):Follower@198 > > ] > > - shutdown called > > java.lang.Exception: shutdown Follower > > at > > org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:198) > > [zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1068) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35178 > > 2018-07-03T12:47:28,866 [myid:] - INFO > > [NIOWorkerThread-14:ZooKeeperServer@969] - Client attempting to > establish > > new session at /10.0.0.248:33256 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36262 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35244 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36276 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35396 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36334 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35472 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36368 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35708 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36446 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:35930 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36530 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:36150 > > 2018-07-03T12:47:28,867 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:33544 (no session > > established for client) > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36608 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):NIOServerCnxn@606 > > ] > > - Closed socket connection for client /10.0.0.248:33256 which had > > sessionid > > 0x200003aa13c0010 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36692 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):LearnerZooKeeperServer@167 > > ] > > - Shutting down > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.248:36418 > > 2018-07-03T12:47:28,868 [myid:] - ERROR > > [FollowerRequestProcessor:2:ZooKeeperCriticalThread@48] - Severe > > unrecoverable error, from thread : FollowerRequestProcessor:2 > > java.net.SocketException: Socket closed > > at > > java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:118) > > ~[?:1.8.0_171] > > at java.net.SocketOutputStream.write(SocketOutputStream.java:155) > > ~[?:1.8.0_171] > > at > > java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) > > ~[?:1.8.0_171] > > at > > java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) > > ~[?:1.8.0_171] > > at > > org.apache.zookeeper.server.quorum.Learner.writePacket(Learner.java:141) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > org.apache.zookeeper.server.quorum.Learner.request(Learner.java:190) > > ~[zookeeper-3.5.0-alpha.jar:?] > > at > > > > > org.apache.zookeeper.server.quorum.FollowerRequestProcessor.run(FollowerRequestProcessor.java:101) > > [zookeeper-3.5.0-alpha.jar:?] > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):ZooKeeperServer@498 > > ] > > - shutting down > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):FollowerRequestProcessor@138 > > ] > > - Shutting down > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > [FollowerRequestProcessor:2:ZooKeeperServer$ZooKeeperServerListenerImpl@475 > > ] > > - Thread FollowerRequestProcessor:2 exits, error code 1 > > 2018-07-03T12:47:28,868 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):CommitProcessor@358 > > ] > > - Shutting down > > 2018-07-03T12:47:28,869 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):FinalRequestProcessor@492 > > ] > > - shutdown of request processor complete > > 2018-07-03T12:47:28,869 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):MBeanRegistry@128 > > ] > > - Unregister MBean > > > > > [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name1=replica.2,name2=Follower,name3=InMemoryDataTree] > > 2018-07-03T12:47:28,870 [myid:] - INFO > > > > > [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2181)(secure=disabled):SyncRequestProcessor@191 > > ] > > - Shutting down > > 2018-07-03T12:47:28,870 [myid:] - WARN > > [NIOWorkerThread-17:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,870 [myid:] - INFO > > [NIOWorkerThread-17:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.248:34952 (no session established for client) > > 2018-07-03T12:47:28,870 [myid:] - WARN > > [NIOWorkerThread-17:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,870 [myid:] - INFO > > [NIOWorkerThread-17:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.248:34014 (no session established for client) > > 2018-07-03T12:47:28,870 [myid:] - WARN > > [NIOWorkerThread-32:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,868 [myid:] - INFO > > [NIOServerCxnFactory.AcceptThread:/0.0.0.0:2181 > > :NIOServerCnxnFactory$AcceptThread@296] - Accepted socket connection > from > > / > > 10.0.0.237:36766 > > 2018-07-03T12:47:28,871 [myid:] - INFO > > [NIOWorkerThread-32:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.248:36150 (no session established for client) > > 2018-07-03T12:47:28,871 [myid:] - WARN > > [NIOWorkerThread-32:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,871 [myid:] - WARN > > [NIOWorkerThread-17:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,871 [myid:] - INFO > > [NIOWorkerThread-32:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.248:33788 (no session established for client) > > 2018-07-03T12:47:28,871 [myid:] - INFO > > [NIOWorkerThread-17:NIOServerCnxn@606] - Closed socket connection for > > client /10.0.0.248:35930 (no session established for client) > > 2018-07-03T12:47:28,871 [myid:] - WARN > > [NIOWorkerThread-32:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,871 [myid:] - WARN > > [NIOWorkerThread-17:NIOServerCnxn@369] - Exception causing close of > > session > > 0x0: ZooKeeperServer not running > > 2018-07-03T12:47:28,871 [myid:] - INFO > > [CommitProcessor:2:CommitProcessor@193] - CommitProcessor exited loop! > > > > In particular I don't like the sound of this "Severe unrecoverable error, > > from thread : FollowerRequestProcessor" from "ZooKeeperCriticalThread". > > > > Is this a fatal event for the whole ZK server? > > > > Thanks > > Benjamin > > > --000000000000a491e505702dbfd5--