From user-return-12249-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Thu Oct 24 22:18:19 2019 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 [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id BAF4718065D for ; Fri, 25 Oct 2019 00:18:18 +0200 (CEST) Received: (qmail 47945 invoked by uid 500); 24 Oct 2019 22:18:16 -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 47933 invoked by uid 99); 24 Oct 2019 22:18:16 -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; Thu, 24 Oct 2019 22:18:16 +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 0B416C1431 for ; Thu, 24 Oct 2019 22:18:16 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=0 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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-ec2-va.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id jhS6bf7BZrFO for ; Thu, 24 Oct 2019 22:18:14 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=209.85.167.178; helo=mail-oi1-f178.google.com; envelope-from=eolivelli@gmail.com; receiver= Received: from mail-oi1-f178.google.com (mail-oi1-f178.google.com [209.85.167.178]) by mx1-ec2-va.apache.org (ASF Mail Server at mx1-ec2-va.apache.org) with ESMTPS id 4D29ABC5D5 for ; Thu, 24 Oct 2019 22:18:14 +0000 (UTC) Received: by mail-oi1-f178.google.com with SMTP id x3so45956oig.2 for ; Thu, 24 Oct 2019 15:18:14 -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=ETb2lAGVLXt6sNxOz7jJ/SYps/nBrTNV83lzlnhVjsE=; b=vBgRyXtKl1HEwca6sOh9y5yWJ+xtr7NozV9qJGOfANt+A7TInDbCruR/EO6b7ktDc1 PoWNFVTh4q9j4WxEtlBPMphnNKRS9siRibzMMvZ2wmN3j5BCnsG0+C0gu56Kkt+IQkFh s3Mdt5lYXbgVqdbnQDLF0mqc8V9Nv5E7rFn8KYqd9EP/Ve3RuOzMK2mW9odCFvC2H1wp JpSIAY6IpEQ9E27k6bHR2UzP+w0R5vQ1n7iPlGwl9L14oPSxG2w9YEbvo1L8pObFyHxu hcssu48wXxwueMDFfl0byRXhwg6Za72yNzjjju+d5g1ZX7djk88N2d1/QT/WxvJPJ47h gw8w== 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=ETb2lAGVLXt6sNxOz7jJ/SYps/nBrTNV83lzlnhVjsE=; b=t65Kjbzv+KlBeqY2Fhjq97dNjrHVIiul0Drfm4bIPcAzrodDdSVAOJDG3uq0H1sPQN LRZV3kEdXczz43DrnK3Pu8NFkc0ZYhwB5HUynqZCCx8goLucFNshcRIx911lXcMz/uuv BysbjiHxMIPuSA74PYiyHw0EDGxIttMrqwtal+rjvaI73pgD6z2+JzLfNcGFlWp3Gq46 jbQqol6lqZGHbIs5qa7g0/RQa6aQbJLU+M67OVUtrO3ESW9vMJ6u0w9dELUy4ZPssWIA 2MEgQGofSJXZe1pPKGN1AwmR4tSit/tlDJEwZj6icK1Y73OfKolXlW8AayLBkq5m+CuX Q1DA== X-Gm-Message-State: APjAAAWvuFGAFuEZ213Mcg9PjTKyi+QGo2U72QjgCqdERmkGrI0wg6TG iJB6ju7JLZgIIYGcBnlMkwYBCw27coo9nSklTonDV36+ X-Google-Smtp-Source: APXvYqzciuWrU/zC4hy/TO6T4vgLrc/cY0gHYXflj1wjjSytMw9fK5bI43AzCCD1rZArxiq24Yt9NfguFQE2OMAXNz4= X-Received: by 2002:a54:4797:: with SMTP id o23mr312645oic.50.1571955487030; Thu, 24 Oct 2019 15:18:07 -0700 (PDT) MIME-Version: 1.0 References: <6477e447-9aa3-b479-710c-bb36a548ec81@propellerhead.co.nz> In-Reply-To: <6477e447-9aa3-b479-710c-bb36a548ec81@propellerhead.co.nz> From: Enrico Olivelli Date: Fri, 25 Oct 2019 00:17:55 +0200 Message-ID: Subject: Re: Zookeeper 3.5.6 - Exception causing close of session 0x0: null To: UserZooKeeper Content-Type: multipart/alternative; boundary="0000000000006841a50595af6879" --0000000000006841a50595af6879 Content-Type: text/plain; charset="UTF-8" Sebastian This 'null' looks like a NullPointerException (this kind f exceptions tracks only the full stacktrace at the first occurrence usually) Can you find some full stacktrace of the error? Are you able to enable more detailed logging? Do you see errors on the client (kafka broker?) ? Maybe on oeg.apache.zookeeper.xxx logs Enrico Il ven 25 ott 2019, 00:05 Sebastian Schmitz < sebastian.schmitz@propellerhead.co.nz> ha scritto: > Hello, > > I did a rolling upgrade of the Zookeeper from 3.4.14 to 3.5.6 on 23rd in > my Test-Environment. It's zookeeping a three node Kafka-Cluster running > on 2.3.0. > > After the update I get spammed with these warnings: > > Oct 25 10:56:23 zookeeper_node_1: 2019-10-24 21:56:23,119 [myid:1] - > WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:23 zookeeper_node_2: 2019-10-24 21:56:23,478 [myid:2] - > WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:23 zookeeper_node_3: 2019-10-24 21:56:23,531 [myid:3] - > WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:23 zookeeper_node_1: 2019-10-24 21:56:23,776 [myid:1] - > WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:23 zookeeper_node_2: 2019-10-24 21:56:23,879 [myid:2] - > WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,086 [myid:3] - > WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_1: 2019-10-24 21:56:24,090 [myid:1] - > WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_2: 2019-10-24 21:56:24,497 [myid:2] - > WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,601 [myid:3] - > WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_1: 2019-10-24 21:56:24,798 [myid:1] - > WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,904 [myid:3] - > WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:25 zookeeper_node_2: 2019-10-24 21:56:25,007 [myid:2] - > WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:25 zookeeper_node_1: 2019-10-24 21:56:25,260 [myid:1] - > WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:25 zookeeper_node_3: 2019-10-24 21:56:25,467 [myid:3] - > WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:25 zookeeper_node_2: 2019-10-24 21:56:25,619 [myid:2] - > WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:25 zookeeper_node_1: 2019-10-24 21:56:25,666 [myid:1] - > WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:25,923 [myid:3] - > WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_2: 2019-10-24 21:56:26,178 [myid:2] - > WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_1: 2019-10-24 21:56:26,329 [myid:1] - > WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:26,484 [myid:3] - > WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_2: 2019-10-24 21:56:26,792 [myid:2] - > WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:26,890 [myid:3] - > WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:26 zookeeper_node_1: 2019-10-24 21:56:26,888 [myid:1] - > WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_2: 2019-10-24 21:56:27,347 [myid:2] - > WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_1: 2019-10-24 21:56:27,354 [myid:1] - > WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_3: 2019-10-24 21:56:27,662 [myid:3] - > WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_3: 2019-10-24 21:56:27,810 [myid:3] - > WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_1: 2019-10-24 21:56:27,811 [myid:1] - > WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:27 zookeeper_node_2: 2019-10-24 21:56:27,816 [myid:2] - > WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:28 zookeeper_node_2: 2019-10-24 21:56:28,366 [myid:2] - > WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > Oct 25 10:56:28 zookeeper_node_1: 2019-10-24 21:56:28,474 [myid:1] - > WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close of > session 0x0: null > > A quick search didn't return anything, but my guess is that it might > have to do with the upgrade from 3.4.14 and maybe old stuff remaining? > > So any idea for what to check or do would be greatly appreciated. > > Thanks > > Sebastian > > > -- > DISCLAIMER > This email contains information that is confidential and which > may be > legally privileged. If you have received this email in error please > > notify the sender immediately and delete the email. > This email is intended > solely for the use of the intended recipient and you may not use or > disclose this email in any way. > --0000000000006841a50595af6879--