From users-return-50740-archive-asf-public=cust-asf.ponee.io@activemq.apache.org Fri Nov 30 21:24:35 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 5E656180671 for ; Fri, 30 Nov 2018 21:24:35 +0100 (CET) Received: (qmail 36778 invoked by uid 500); 30 Nov 2018 20:24:34 -0000 Mailing-List: contact users-help@activemq.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@activemq.apache.org Delivered-To: mailing list users@activemq.apache.org Received: (qmail 36765 invoked by uid 99); 30 Nov 2018 20:24:33 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 30 Nov 2018 20:24:33 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 3C162181677 for ; Fri, 30 Nov 2018 20:24:33 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 4.026 X-Spam-Level: **** X-Spam-Status: No, score=4.026 tagged_above=-999 required=6.31 tests=[FREEMAIL_ENVFROM_END_DIGIT=0.25, HEADER_FROM_DIFFERENT_DOMAINS=0.001, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URI_HEX=1.313, URI_TRY_3LD=0.463] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id jkXkCZDEhQ4o for ; Fri, 30 Nov 2018 20:24:31 +0000 (UTC) Received: from mail-lf1-f43.google.com (mail-lf1-f43.google.com [209.85.167.43]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 4D2405F1E3 for ; Fri, 30 Nov 2018 20:24:31 +0000 (UTC) Received: by mail-lf1-f43.google.com with SMTP id v5so5013810lfe.7 for ; Fri, 30 Nov 2018 12:24:31 -0800 (PST) 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=asvLPv65wYgB47SDa50T6fPUjA936LFn+qz0wiunOuY=; b=IdlUIcMA9E7rK5pjpNqh9DZIVhLlc5e2uUtrAc9e1aOmbujG7D/onotItSvya1XVOR c3ZlG3CujCSkLBoahVsFriY+fD8dDeioFGU5IVSvuDOBTG2rj7aSFO98xoRATkJeLxus lp8PlmQWHWpZQ2Qi6pd3mJ9tbPEKUG6MOYN0D79jL+ql8ps+S1c/8LU0/9AFrAaAaq67 pIHc33qIYa/Dvlj9XMndi1wguyRRIexopXN73YERTtqdWbd9zlzDEIg/EBo+c3rGZ8GS Jlrq2cX/MC4+CakbrYmiqhCmIJxFExw8etkrGvlGbBl3fBODpFYC0Y9RBBmibDrA5v1p mDjQ== X-Gm-Message-State: AA+aEWZl3Y4IT6UZMfukV9DZ+jDsFahCY3yij7B2lZ5xjxqTv0KXF5wi H7+Bk6xrZv5N29nIg/zmvPM4j1eE1MPDFdr0gAS1nA== X-Google-Smtp-Source: AFSGD/WwXLNdMhyHTT/K5Qtm0PW1cZoxp0IIUOcIfg/D58fkeMLtFAfokLovw51Ch9oZcCP/49LxQL1nagnUMGqc/Gc= X-Received: by 2002:a19:e601:: with SMTP id d1mr4645120lfh.71.1543609469460; Fri, 30 Nov 2018 12:24:29 -0800 (PST) MIME-Version: 1.0 References: <1543604107513-0.post@n4.nabble.com> In-Reply-To: <1543604107513-0.post@n4.nabble.com> From: Tim Bain Date: Fri, 30 Nov 2018 13:24:18 -0700 Message-ID: Subject: Re: ActiveMQ Failed to restart To: ActiveMQ Users Content-Type: multipart/alternative; boundary="00000000000019699b057be796b6" --00000000000019699b057be796b6 Content-Type: text/plain; charset="UTF-8" Replicated LevelDB is not supported, primarily because there weren't people who knew the code who were willing to maintain the code (and provide support on this mailing list), and it's been years since I've seen anyone answer a meaningful question about replicated LevelDB here. Although it's possible that someone will answer your question, if you want to use LevelDB you should be prepared to debug the code yourself. If you're not, you should consider switching to KahaDB. Tim On Fri, Nov 30, 2018, 11:55 AM sandeepatmca Hi > > We have Active MQ and Zookeeper ensemble on 3 nodes. We observed that > ActiveMQ goes down for some reason ,which didn't reflected in the log,since > log is in debug mode & at it automatically attempts to start itself after > some time but fails to do due to below error.Can any one suggest why its > happening so . > > 1767 2018-11-27 14:53:46,423 | DEBUG | > [/activemq/leveldb-stores/00000000040] [ZooKeeperTreeTracker@3cda58e0] > [Thread[main,5,main]] start tracking leaf node zkTxId=5 1539607591 | > org.linkedin.zookeeper.tracker.ZooKeeperTreeTracker | main > 2018-11-27 14:53:46,424 | DEBUG | [/activemq/leveldb-stores] > [ZooKeeperTreeTracker@3cda58e0] [Thread[main,5,main]] start tracking node > zkTxId=51539607590 | org. > linkedin.zookeeper.tracker.ZooKeeperTreeTracker | main > 1769 2018-11-27 14:53:46,424 | ERROR | Failed to start Apache ActiveMQ > (localhost, null) | org.apache.activemq.broker.BrokerService | main > 1770 java.lang.NullPointerException > 1771 at > > org.linkedin.zookeeper.tracker.ZooKeeperTreeTracker.raiseEvents(ZooKeeperTreeTracker.java:402)[org.linkedin.zookeeper-impl-1.4.0.jar:] > 1772 at > > org.linkedin.zookeeper.tracker.ZooKeeperTreeTracker.track(ZooKeeperTreeTracker.java:240)[org.linkedin.zookeeper-impl-1.4.0.jar:] > > > > > -- > Sent from: > http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html > --00000000000019699b057be796b6--