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 BF6FF200BD8 for ; Wed, 23 Nov 2016 05:03:39 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id BDE25160B1C; Wed, 23 Nov 2016 04:03:39 +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 8FDA3160B0C for ; Wed, 23 Nov 2016 05:03:38 +0100 (CET) Received: (qmail 49519 invoked by uid 500); 23 Nov 2016 04:03:37 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 49506 invoked by uid 99); 23 Nov 2016 04:03:36 -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; Wed, 23 Nov 2016 04:03:36 +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 F22A518051E for ; Wed, 23 Nov 2016 04:03:35 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 3.881 X-Spam-Level: *** X-Spam-Status: No, score=3.881 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, KAM_BADIPHTTP=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, WEIRD_PORT=0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id MNeq_pjGtlR0 for ; Wed, 23 Nov 2016 04:03:30 +0000 (UTC) Received: from mail-yw0-f181.google.com (mail-yw0-f181.google.com [209.85.161.181]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 2F3C55FB4B for ; Wed, 23 Nov 2016 04:03:24 +0000 (UTC) Received: by mail-yw0-f181.google.com with SMTP id a10so1286016ywa.3 for ; Tue, 22 Nov 2016 20:03:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=mnq2X0732ne0DgX6phocaGPvNzLqIAp0yPPZ285mrXs=; b=zwKTQaoBJzAZcm7jkkTi6SxtK3UXsrGxOmnWn9pcMR9u3hJtQ7+m8z38rl0cVuMFD8 Cr7zo7uLxe2E9XVxVL9t2BApH/lbIQjEV3JF7+KP5+CZ4hnOnXROCc6YXWv1tq09shY3 SatZLicMr2rE76CdFMP82pEq8LDj+/2NjhkeMjTvxNXoUlwgSyPokXqERKU7cBMDy28p IfsNN0hS7TD2u/kd5SmRcH4EYTZrSbsOR8xtaoXXZiedsuNZ8LfjIZxasGWeRV42Oec0 DNh0BytayA8qSDJBJDP9ph6fzt1CCImrhCyhXxU3ISEHPC9SI0EijJsJC90bDAWiOxLW W8UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=mnq2X0732ne0DgX6phocaGPvNzLqIAp0yPPZ285mrXs=; b=XIGCO3Ypo0yDOAUZEQY8QV/X4v+ZpEVCv9H6VlcmEptYJoR5TgWbnPWpZTUkTZVYyZ qTIv1X1bcy+GqOt4Il0RkGoH88LF4JzpKWMr9Sq6XraxBeJcnVaTMKys+TVVq0fY3IvM mY2mhy8GpYh+bcV1uVDcZV3eaAFP/CVd4HcXcxemeRYfYwf1MJe/AEKsPD9GyEV1gEl+ 6aqp9VQdEon57AI/81SFPG5XnnEpV/xKuB5k+THR0J89tZIl67ywHibokgM14SedVEnn k+be2Rw3aNNRRevUG2jA1i8ACrLPqsjW2xRFSu5qZycyvXx0uvkJ10Y5WmNCiDOy3n2V syCA== X-Gm-Message-State: AKaTC00+KUy+0cQ6O9g/4xrx86AI5Dno9FC7BccB6K1Hpd3N5uYU/jFC8yLfz64Dhj6ToeK2/3QzgRE8V/FHRQ== X-Received: by 10.129.179.8 with SMTP id r8mr1065610ywh.156.1479873791890; Tue, 22 Nov 2016 20:03:11 -0800 (PST) MIME-Version: 1.0 Received: by 10.37.15.7 with HTTP; Tue, 22 Nov 2016 20:03:11 -0800 (PST) In-Reply-To: <460E1A006BEC0540B1D3559ED5F0789F0FC59A9E@cnshjmbx02> References: <460E1A006BEC0540B1D3559ED5F0789F0FC56C15@cnshjmbx02> <460E1A006BEC0540B1D3559ED5F0789F0FC56C75@cnshjmbx02> <460E1A006BEC0540B1D3559ED5F0789F0FC57F29@cnshjmbx02> <460E1A006BEC0540B1D3559ED5F0789F0FC5894C@cnshjmbx02> <460E1A006BEC0540B1D3559ED5F0789F0FC59A9E@cnshjmbx02> From: Ted Yu Date: Tue, 22 Nov 2016 20:03:11 -0800 Message-ID: Subject: Re: problem in launching HBase To: "user@hbase.apache.org" Content-Type: multipart/alternative; boundary=94eb2c14665aad9d850541eff7ca archived-at: Wed, 23 Nov 2016 04:03:39 -0000 --94eb2c14665aad9d850541eff7ca Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable bq. Unable to create data dir /home/testuser/zookeeper Can you check why the above directory couldn't be created ? The attachment didn't come through. Consider using pastebin. Cheers On Tue, Nov 22, 2016 at 7:51 PM, QI Congyun wrote: > > It's confirmed. Actually. The attached files are including my /etc/hosts > and /hbase/conf/regionservers configuration. I try to modify the > regionservers and restart hbase, the problem appear again. > ............................................................ > ................................................................ > [hadoop@hadoop2 hbase-1.2.3]$ bin/start-hbase.sh > localhost: starting zookeeper, logging to /home/hadoop/hbase-1.2.3/bin/. > ./logs/hbase-hadoop-zookeeper-hadoop2.out > localhost: java.io.IOException: Unable to create data dir > /home/testuser/zookeeper > localhost: at org.apache.hadoop.hbase.zookeeper.HQuorumPeer. > writeMyID(HQuorumPeer.java:157) > localhost: at org.apache.hadoop.hbase.zookeeper.HQuorumPeer.main( > HQuorumPeer.java:70) > starting master, logging to /home/hadoop/hbase-1.2.3/logs/ > hbase-hadoop-master-hadoop2.out > hadoop2: starting regionserver, logging to /home/hadoop/hbase-1.2.3/bin/. > ./logs/hbase-hadoop-regionserver-hadoop2.out > ............................................................ > ................................................................ > > -----Original Message----- > From: Sen [mailto:besenthil@gmail.com] > Sent: Tuesday, November 22, 2016 11:55 PM > To: user@hbase.apache.org > Subject: Re: problem in launching HBase > > Did you ensure your etc/hosts file has the IP addresses of the Hbase > server? > > On Tue, Nov 22, 2016 at 8:39 PM, Ted Yu wrote: > > > I think hbase 1.2.3 should run fine with Hadoop 2.7.3 > > > > Can you replace localhost in your hbase-site.xml and try again > > (remember to set corresponding entry in /etc/hosts) ? > > > > BTW I would be out of office starting tomorrow morning. > > > > On Tue, Nov 22, 2016 at 12:44 AM, QI Congyun < > > Congyun.Qi@alcatel-sbell.com.cn> wrote: > > > > > Hello Ted, > > > > > > I try to remove the folder of Hbase and re-install it many times, > > > the > > same > > > faults below happened. > > > I doubt whether the version of HBase1.2.3 is incompatible with the > > version > > > of Hadoop2.7.3? I search out the similar issues via the internet, > > > the similar issue happened very few. > > > I'm very bewildered, could you help to find the reasons? > > > > > > Thanks. > > > > > > > > > -----Original Message----- > > > From: Ted Yu [mailto:yuzhihong@gmail.com] > > > Sent: Wednesday, November 16, 2016 11:13 AM > > > To: user@hbase.apache.org > > > Subject: Re: problem in launching HBase > > > > > > 2016-10-31 15:49:57,503 INFO > > > [master/localhost/127.0.0.1:16000-SendThread(localhost:2181)] > > > zookeeper.ClientCnxn: Opening socket connection to server > > > localhost/0:0:0:0:0:0:0:1: 2181. Will not attempt to authenticate > > > using SASL (unknown error) > > > > > > Is your machine running IPv6 ? > > > > > > I don't have much experience with IPv6. > > > > > > Cheers > > > > > > On Tue, Nov 15, 2016 at 6:59 PM, QI Congyun < > > Congyun.Qi@alcatel-sbell.com. > > > cn > > > > wrote: > > > > > > > Hi, Ted, > > > > > > > > Do you feel what I make some incorrect configuration lead to my > > > > encountering issues? > > > > Thanks. > > > > > > > > > > > > -----Original Message----- > > > > From: QI Congyun > > > > Sent: Tuesday, November 15, 2016 1:29 PM > > > > To: user@hbase.apache.org > > > > Subject: RE: problem in launching HBase > > > > > > > > > > > > I'm so sorry that I make a mistake. The Hadoop configuration files > > > > are attached in the previous e-mail. > > > > > > > > The hbase-site.xml are attached, pls check it. > > > > > > > > > > > > > > > > -----Original Message----- > > > > From: Ted Yu [mailto:yuzhihong@gmail.com] > > > > Sent: Tuesday, November 15, 2016 1:25 PM > > > > To: user@hbase.apache.org > > > > Subject: Re: problem in launching HBase > > > > > > > > I don't see hbase-site.xml attached. > > > > > > > > Consider using pastebin. > > > > > > > > On Mon, Nov 14, 2016 at 9:19 PM, QI Congyun < > > > Congyun.Qi@alcatel-sbell.com. > > > > cn > > > > > wrote: > > > > > > > > > > > > > > The name node and data node are running normally, such as the > > > > > following process. The file "hbase-site.xml" and other > > > > > associated files > > > > are enclosed. > > > > > Thanks. > > > > > > > > > > ------------------------------------------------------------ > > > > > ---------------------------------------------------------------- > > > > > --- > > > > > [hadoop@hadoop2 conf]$ jps > > > > > 11805 SecondaryNameNode > > > > > 32314 Jps > > > > > 11614 DataNode > > > > > 507 NodeManager > > > > > 385 ResourceManager > > > > > 11379 NameNode > > > > > ------------------------------------------------------------ > > > > > ---------------------------------------------------------------- > > > > > ---- > > > > > -- > > > > > -- > > > > > [hadoop@hadoop2 hadoop-2.7.3]$ bin/hdfs dfsadmin -report > > > > > Configured > > > > > Capacity: 154684043264 (144.06 GB) Present Capacity: > > > > > 133174730752 > > > > > (124.03 GB) DFS Remaining: 128144982016 (119.34 GB) DFS Used: > > > > > 5029748736 (4.68 GB) DFS Used%: 3.78% Under replicated blocks: 0 > > > > > Blocks with corrupt replicas: 0 Missing blocks: 0 Missing blocks > > > > > (with replication factor 1): 0 > > > > > > > > > > ------------------------------------------------- > > > > > > > > > > Live datanodes (1): > > > > > > > > > > Name: 127.0.0.1:9866 (localhost) > > > > > Hostname: localhost > > > > > Decommission Status : Normal > > > > > Configured Capacity: 154684043264 (144.06 GB) DFS Used: > > > > > 5029748736 > > > > > (4.68 GB) Non DFS Used: 21509312512 (20.03 GB) DFS Remaining: > > > > > 128144982016 (119.34 GB) DFS Used%: 3.25% DFS Remaining%: 82.84% > > > > > Configured Cache Capacity: 0 (0 B) Cache Used: 0 (0 B) Cache > > > > > Remaining: 0 (0 B) Cache Used%: 100.00% Cache Remaining%: 0.00% > > > > > Xceivers: 1 > > > > > Last contact: Tue Nov 15 13:17:01 CST 2016 > > > > > ..................................................... > > > > > ............................................................ > > > > > .................................. > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: Ted Yu [mailto:yuzhihong@gmail.com] > > > > > Sent: Tuesday, November 15, 2016 11:50 AM > > > > > To: user@hbase.apache.org > > > > > Subject: Re: problem in launching HBase > > > > > > > > > > 2016-10-31 15:49:57,528 FATAL > > > > > [localhost:16000.activeMasterManager] > > > > > master.HMaster: Failed to become active master > > > > > java.net.ConnectException: Call From hadoop2/127.0.0.1 to > > > > > localhost:8020 failed on connection exception: > > > > > java.net.ConnectException: Connection refused; For more details > see: > > > > > http://wiki.apache.org/hadoop/ConnectionRefused > > > > > at > > > > > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > > > > Method) > > > > > at > > > > > sun.reflect.NativeConstructorAccessorImpl.newInstance( > > > > > NativeConstructorAccessorImpl.java:57) > > > > > ... > > > > > at org.apache.hadoop.hdfs.DFSClient.setSafeMode( > > DFSClient.java:2264) > > > > > at > > > > > org.apache.hadoop.hdfs.DistributedFileSystem.setSafeMode( > > > > > DistributedFileSystem.java:986) > > > > > at > > > > > org.apache.hadoop.hdfs.DistributedFileSystem.setSafeMode( > > > > > DistributedFileSystem.java:970) > > > > > at org.apache.hadoop.hbase.util.FSUtils.isInSafeMode(FSUtils. > > > java:525) > > > > > at > > > > > org.apache.hadoop.hbase.util.FSUtils.waitOnSafeMode(FSUtils.java > > > > > :971 > > > > > ) > > > > > > > > > > Was the namenode running fine on localhost ? > > > > > > > > > > Can you pastebin the contents of hbase-site.xml ? > > > > > > > > > > On Mon, Nov 14, 2016 at 7:40 PM, QI Congyun < > > > > Congyun.Qi@alcatel-sbell.com. > > > > > cn > > > > > > wrote: > > > > > > > > > > > Dear Ted, > > > > > > > > > > > > I had learn the HBase quick-start cookbook although I have not > > > > > > yet read all of the document, I have known how to configure > > > > > > the HBase primary parameters and basic operation. > > > > > > > > > > > > I had ever tried to both make HBase control to use zookeeper > > > > > > and cancel HBase to start zookeeper server via set up the > > > > > > export HBASE_MANAGES_ZK=3Dtrue/false in the file--hbase-env.sh. > > > > > > Whatever zookeeper is launched by HBase automatically or > > > > > > started manually, the same problems and logs are encountered > > > > > > as follows you > > submitted. > > > > > > I don't understand why zookeeper authentication SASL failed. > > > > > > > > > > > > Actually when do the command "start-hbase.sh", the master > > > > > > process was opened at the beginning, afterwards it's closed by > > > > > > itself, meanwhile the zookeeper quorum process is always > > > > > > running until kill it > > > > manually. > > > > > > I had do the command "JPS" to observe the process. > > > > > > > > > > > > Thanks. > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: Ted Yu [mailto:yuzhihong@gmail.com] > > > > > > Sent: Tuesday, November 15, 2016 11:01 AM > > > > > > To: user@hbase.apache.org > > > > > > Subject: problem in launching HBase > > > > > > > > > > > > 2016-11-10 11:25:14,177 INFO > > > > > > [main-SendThread(localhost:2181)] > > > > > > zookeeper.ClientCnxn: Opening socket connection to server > > localhost/ > > > > > > *127.0.0.1*:2181. Will not attempt to authenticate > using > > > SASL > > > > > > (unknown error) > > > > > > > > > > > > Was the zookeeper quorum running on the localhost ? > > > > > > > > > > > > In the future, use pastebin for passing config / log files - > > > > > > attachment would be stripped by mailing list. > > > > > > > > > > > > Have you read this ? > > > > > > > > > > > > http://hbase.apache.org/book.html#quickstart_fully_distributed > > > > > > > > > > > > On Mon, Nov 14, 2016 at 6:26 PM, QI Congyun < > > > > > Congyun.Qi@alcatel-sbell.com. > > > > > > cn > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > My previous e-mail is attached, pls check if the relative > > > > > > > traces are enough to investigate or not? > > > > > > > My node configuration are also enclosed. > > > > > > > > > > > > > > Thanks a lot. > > > > > > > > > > > > > > > > > > > > > ---------- Forwarded message ---------- > > > > > > > From: QI Congyun > > > > > > > To: "user-info@hbase.apache.org" > > > > > > > > > > > > > > Cc: > > > > > > > Date: Mon, 14 Nov 2016 08:20:11 +0000 > > > > > > > Subject: my questions about launching HBase > > > > > > > > > > > > > > Hi, Specialist, > > > > > > > > > > > > > > > > > > > > > > > > > > > > I try to set up a HBase database, but the HBase is always > > > > > > > raised some errors. I had ever sent the e-mail to one of > > > > > > > hbase mail-list, the e-mail is refused some times, then I > > > > > > > try to submit my questions to the new mail-box, hope to > > > > > > > receive your > > > response. > > > > > > > > > > > > > > Thanks a lot. > > > > > > > > > > > > > > > > > > > > > > > > > > > > my hadoop version is Hadoop-2.7.3, > > > > > > > > > > > > > > my OS is: CEOS linux6.4. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ---------- Forwarded message ---------- > > > > > > > From: QI Congyun > > > > > > > To: "hbase-dev@lists.apache.org" > > > > > > > > > > > > > > Cc: > > > > > > > Date: Fri, 11 Nov 2016 02:01:58 +0000 > > > > > > > Subject: FW: my questions are always not resolved about > > > > > > > hbase > > > > > > > > > > > > > > > > > > > > > > > > > > > > The E-mail can=E2=80=99t be sent to the destination e-mail bo= x, > > > > > > > resent it > > > > > again. > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks. > > > > > > > > > > > > > > > > > > > > > > > > > > > > *From:* QI Congyun > > > > > > > *Sent:* Thursday, November 10, 2016 11:53 AM > > > > > > > *To:* 'hbase-dev@lists.apache.org' > > > > > > > *Subject:* my questions are always not resolved about hbase > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hello sir, > > > > > > > > > > > > > > > > > > > > > > > > > > > > So sorry to bather you, I=E2=80=99m interested in the Hadoop = system, > > > > > > > and attempted to use Hadoop and Hbase, but the Hbase issue > > > > > > > can=E2=80=99t be resolved, could you help me? Thanks in advan= ce. > > > > > > > > > > > > > > > > > > > > > > > > > > > > 1. I=E2=80=99m very bewildered why the same issue is al= ways > > > encountered > > > > > > > when launching hbase each time, the raised information is > > > > > > > attached as > > > > > > > follows: > > > > > > > > > > > > > > > > > > > > > > > > > > > > *[hadoop@hadoop2 hbase-1.2.3]$ * > > > > > > > > > > > > > > *[hadoop@hadoop2 hbase-1.2.3]$ bin/start-hbase.sh * > > > > > > > > > > > > > > *localhost: starting zookeeper, logging to > > > > > > > /home/hadoop/hbase-1.2.3/bin/../logs/hbase-hadoop-zookeeper- > > > hadoop2. > > > > > > > ou > > > > > > > t* > > > > > > > > > > > > > > *localhost: java.io.IOException: Unable to create data dir > > > > > > > /home/testuser/zookeeper* > > > > > > > > > > > > > > *localhost: at > > > > > > > org.apache.hadoop.hbase.zookeeper.HQuorumPeer. > > > writeMyID(HQuorumPeer. > > > > > > > ja > > > > > > > va:157)* > > > > > > > > > > > > > > *localhost: at > > > > > > > org.apache.hadoop.hbase.zookeeper.HQuorumPeer.main( > > > HQuorumPeer.java: > > > > > > > 70 > > > > > > > )* > > > > > > > > > > > > > > *starting master, logging to > > > > > > > /home/hadoop/hbase-1.2.3/logs/hbase-hadoop-master-hadoop2.ou > > > > > > > t* > > > > > > > > > > > > > > *starting regionserver, logging to > > > > > > > /home/hadoop/hbase-1.2.3/logs/hbase-hadoop-1-regionserver- > > hadoop2. > > > > > > > ou > > > > > > > t* > > > > > > > > > > > > > > =E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6 > > > > > > > > > > > > > > *[hadoop@hadoop2 hbase-1.2.3]$ jps* > > > > > > > > > > > > > > *11805 SecondaryNameNode* > > > > > > > > > > > > > > *11614 DataNode* > > > > > > > > > > > > > > *507 NodeManager* > > > > > > > > > > > > > > *30687 HRegionServer* > > > > > > > > > > > > > > *385 ResourceManager* > > > > > > > > > > > > > > *11379 NameNode* > > > > > > > > > > > > > > *30899 Jps* > > > > > > > > > > > > > > *=E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6=E2=80=A6=E2=80= =A6=E2=80=A6..* > > > > > > > > > > > > > > *[hadoop@hadoop2 hbase-1.2.3]$ bin/stop-hbase.sh * > > > > > > > > > > > > > > *stopping hbasecat: /tmp/hbase-hadoop-master.pid: No such > > > > > > > file or > > > > > > > directory* > > > > > > > > > > > > > > > > > > > > > > > > > > > > *localhost: no zookeeper to stop because no pid file > > > > > > > /tmp/hbase-hadoop-zookeeper.pid* > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2. When I check the logs, and a fatal errors are raised > > once > > > > > again, > > > > > > > but I don=E2=80=99t know why. > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2016-11-10 11:25:14,177 INFO > > > > > > > [main-SendThread(localhost:2181)] > > > > > > > zookeeper.ClientCnxn: Opening socket connection to server > > > > > > > localhost/ 127.0.0.1:2181. Will not attempt to authenticate > > > > > > > using SASL (unknown > > > > > > > error) > > > > > > > > > > > > > > 2016-11-10 11:25:14,181 WARN > > > > > > > [main-SendThread(localhost:2181)] > > > > > > > zookeeper.ClientCnxn: Session 0x0 for server null, > > > > > > > unexpected error, closing socket connection and attempting > > > > > > > reconnect > > > > > > > > > > > > > > java.net.ConnectException: Connection refused > > > > > > > > > > > > > > at > > > > > > > sun.nio.ch.SocketChannelImpl.checkConnect(Native > > > > > > > Method) > > > > > > > > > > > > > > at sun.nio.ch.SocketChannelImpl.finishConnect( > > > > > > > SocketChannelImpl.java:739) > > > > > > > > > > > > > > at > > > > > > > org.apache.zookeeper.ClientCnxnSocketNIO.doTransport( > > > > > > > ClientCnxnSocketNIO.java:361) > > > > > > > > > > > > > > at > > > > > > > org.apache.zookeeper.ClientCnxn$SendThread.run( > > > > > > > ClientCnxn.java:1081) > > > > > > > > > > > > > > 2016-11-10 11:25:14,291 INFO > > > > > > > [main-SendThread(localhost:2181)] > > > > > > > zookeeper.ClientCnxn: Opening socket connection to server > > > > > > > localhost/0:0:0:0:0:0:0:1:2181. Will not attempt to > > > > > > > authenticate using SASL (unknown error) > > > > > > > > > > > > > > 2016-11-10 11:25:14,294 WARN > > > > > > > [main-SendThread(localhost:2181)] > > > > > > > zookeeper.ClientCnxn: Session 0x0 for server null, > > > > > > > unexpected error, closing socket connection and attempting > > > > > > > reconnect > > > > > > > > > > > > > > java.net.ConnectException: Connection refused > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > Regards, > Senthil > --94eb2c14665aad9d850541eff7ca--