Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E6D42100EB for ; Sun, 19 Apr 2015 17:11:04 +0000 (UTC) Received: (qmail 82350 invoked by uid 500); 19 Apr 2015 17:10:53 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 82218 invoked by uid 500); 19 Apr 2015 17:10:53 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 82208 invoked by uid 99); 19 Apr 2015 17:10:53 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 19 Apr 2015 17:10:53 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE X-Spam-Check-By: apache.org Received-SPF: error (nike.apache.org: local policy) Received: from [54.76.25.247] (HELO mx1-eu-west.apache.org) (54.76.25.247) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 19 Apr 2015 17:10:23 +0000 Received: from sulu.netzoomi.net (sulu.netzoomi.net [83.138.144.103]) by mx1-eu-west.apache.org (ASF Mail Server at mx1-eu-west.apache.org) with ESMTP id 88C9024A39 for ; Sun, 19 Apr 2015 17:10:01 +0000 (UTC) Received: from vulcan.netzoomi.net (unknown [212.100.249.54]) by sulu.netzoomi.net (Postfix) with ESMTP id 35AD36A4DA0 for ; Sun, 19 Apr 2015 18:09:13 +0100 (BST) X-Envelope-From: Received: from vista (cpc7-seve18-2-0-cust228.13-3.cable.virginm.net [86.19.240.229]) by vulcan.netzoomi.net (Postfix) with ESMTPA id 038361248B96 for ; Sun, 19 Apr 2015 18:09:12 +0100 (BST) From: "Mich Talebzadeh" To: References: <391515785.6050813.1429258932549.JavaMail.yahoo@mail.yahoo.com> In-Reply-To: Subject: RE: ipc.Client: Retrying connect to server Date: Sun, 19 Apr 2015 18:09:05 +0100 Message-ID: <00e801d07ac3$8ac51e90$a04f5bb0$@co.uk> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E9_01D07ACB.EC898690" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdB6wXOSOOIEGwpMQ1SvbJBSyn2NnQAARsFQ Content-Language: en-gb X-domainnameshop-MailScanner-Information: Please contact the ISP for more information X-domainnameshop-MailScanner-ID: 35AD36A4DA0.A2B66 X-domainnameshop-MailScanner: Found to be clean X-domainnameshop-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=1.352, required 5, autolearn=disabled, HTML_MESSAGE 0.00, RDNS_NONE 1.27, TW_JP 0.08) X-domainnameshop-MailScanner-SpamScore: 1 X-domainnameshop-MailScanner-From: mich@peridale.co.uk X-domainnameshop-MailScanner-Watermark: 1430068153.77502@0xMFkiqYZ7QKfCmEDTkreg X-Virus-Checked: Checked by ClamAV on apache.org X-Old-Spam-Status: No This is a multi-part message in MIME format. ------=_NextPart_000_00E9_01D07ACB.EC898690 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi, In addition, perhaps an easier approach would be a telnet to test quickly if server is started on a given port Mine runs on port 9000 so if it works the telnet opening will be successful. netstat -plten|grep java tcp 0 0 0.0.0.0:10020 0.0.0.0:* LISTEN 1009 19471 6898/java tcp 0 0 0.0.0.0:50020 0.0.0.0:* LISTEN 1009 15758 6213/java tcp 0 0 50.140.197.217:9000 0.0.0.0:* LISTEN 1009 15711 6113/java tcp 0 0 0.0.0.0:50090 0.0.0.0:* LISTEN 1009 15972 6405/java tcp 0 0 0.0.0.0:19888 0.0.0.0:* LISTEN 1009 18565 6898/java tcp 0 0 0.0.0.0:10033 0.0.0.0:* LISTEN 1009 18343 6898/java tcp 0 0 0.0.0.0:50070 0.0.0.0:* LISTEN 1009 15502 6113/java tcp 0 0 0.0.0.0:10010 0.0.0.0:* LISTEN 1009 21433 7335/java tcp 0 0 0.0.0.0:50010 0.0.0.0:* LISTEN 1009 15745 6213/java tcp 0 0 0.0.0.0:9083 0.0.0.0:* LISTEN 1009 19481 7110/java tcp 0 0 0.0.0.0:50075 0.0.0.0:* LISTEN 1009 15750 6213/java hduser@rhes564::/home/hduser/dba/bin> telnet rhes564 9000 Trying 50.140.197.217... Connected to rhes564. Escape character is '^]'. HTH Mich Talebzadeh http://talebzadehmich.wordpress.com Author of the books "A Practitioner's Guide to Upgrading to Sybase ASE 15", ISBN 978-0-9563693-0-7. co-author "Sybase Transact SQL Guidelines Best Practices", ISBN 978-0-9759693-0-4 Publications due shortly: Creating in-memory Data Grid for Trading Systems with Oracle TimesTen and Coherence Cache Oracle and Sybase, Concepts and Contrasts, ISBN: 978-0-9563693-1-4, volume one out shortly NOTE: The information in this email is proprietary and confidential. This message is for the designated recipient only, if you are not the intended recipient, you should destroy it immediately. Any information in this message shall not be understood as given or endorsed by Peridale Ltd, its subsidiaries or their employees, unless expressly so stated. It is the responsibility of the recipient to ensure that this email is virus free, therefore neither Peridale Ltd, its subsidiaries nor their employees accept any responsibility. From: Brahma Reddy Battula [mailto:brahmareddy.battula@hotmail.com] Sent: 19 April 2015 17:53 To: user@hadoop.apache.org Subject: RE: ipc.Client: Retrying connect to server Hello Mahmood Naderan, When client is trying to connect to server with configured port(and address) and server is not started with that port then client will retry ( and you will get following error..).. I can able to trace that Namenode is not running From JPS report which you had posted..Please check the namenode logs ( location : /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-namenode-tiger.out/log) _____ Date: Fri, 17 Apr 2015 08:22:12 +0000 From: nt_mahmood@yahoo.com To: user@hadoop.apache.org Subject: ipc.Client: Retrying connect to server Hello, I have done all steps (as far as I know) to bring up the hadoop. However, I get the this error 15/04/17 12:45:31 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 0 time(s). There are a lot of threads and posts regarding this error and I tried them. However still stuck at this error :( Can someone help me? What did I wrong? Here are the configurations: 1) Hadoop configurations [mahmood@tiger hadoop-1.0.2]$ cat conf/mapred-site.xml mapred.job.tracker localhost:54311 mapred.child.java.opts -Xmx512m [mahmood@tiger hadoop-1.0.2]$ cat conf/core-site.xml fs.default.name hdfs://localhost:54310 [mahmood@tiger hadoop-1.0.2]$ cat conf/hdfs-site.xml dfs.replication 1 hadoop.tmp.dir /home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/tmp dfs.name.dir /home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/name dfs.data.dir /home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/data 2) Network configuration [root@tiger hadoop-1.0.2]# cat /etc/sysconfig/iptables # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 5901 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 2049 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 54310 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 54311 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT [root@tiger hadoop-1.0.2]# /etc/init.d/iptables restart iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter [ OK ] iptables: Unloading modules: [ OK ] iptables: Applying firewall rules: [ OK ] [mahmood@tiger hadoop-1.0.2]$ netstat -an | grep 54310 [mahmood@tiger hadoop-1.0.2]$ netstat -an | grep 54311 tcp 0 0 ::ffff:127.0.0.1:54311 :::* LISTEN tcp 426 0 ::ffff:127.0.0.1:54311 ::ffff:127.0.0.1:49639 ESTABLISHED tcp 0 0 ::ffff:127.0.0.1:49639 ::ffff:127.0.0.1:54311 ESTABLISHED 3) Starting Hadoop [mahmood@tiger hadoop-1.0.2]$ stop-all.sh Warning: $HADOOP_HOME is deprecated. stopping jobtracker localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: stopping tasktracker no namenode to stop localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: no datanode to stop localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: stopping secondarynamenode [mahmood@tiger hadoop-1.0.2]$ start-all.sh Warning: $HADOOP_HOME is deprecated. starting namenode, logging to /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-namenode-tiger.out localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: starting datanode, logging to /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-datanode-tiger.out localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: starting secondarynamenode, logging to /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-secondarynamenode-tiger.out starting jobtracker, logging to /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-jobtracker-tiger.out localhost: Warning: $HADOOP_HOME is deprecated. localhost: localhost: starting tasktracker, logging to /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmoo d-tasktracker-tiger.out [mahmood@tiger hadoop-1.0.2]$ jps 21712 JobTracker 21882 TaskTracker 21580 SecondaryNameNode 21989 Jps [mahmood@tiger hadoop-1.0.2]$ hadoop dfsadmin -report Warning: $HADOOP_HOME is deprecated. 15/04/17 12:45:31 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 0 time(s). 15/04/17 12:45:32 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 1 time(s). Regards, Mahmood ------=_NextPart_000_00E9_01D07ACB.EC898690 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi,

 

In addition, = perhaps an easier approach would be a telnet to test quickly if server = is started on a given port

 

Mine runs on = port 9000 so if it works the telnet opening will be = successful.

 

netstat = -plten|grep java

 

tcp        = 0      0 = 0.0.0.0:10020          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       19471 =      6898/java

tcp        = 0      0 = 0.0.0.0:50020          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15758      6213/java

tcp        = 0      0 = 50.140.197.217:9000         = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15711      = 6113/java

tcp        = 0      0 = 0.0.0.0:50090          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15972      6405/java

tcp        = 0      0 = 0.0.0.0:19888          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 18565      6898/java

tcp        = 0      0 = 0.0.0.0:10033          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 18343      6898/java

tcp        = 0      0 = 0.0.0.0:50070          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15502      6113/java

tcp        = 0      0 = 0.0.0.0:10010          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 21433      7335/java

tcp        = 0      0 = 0.0.0.0:50010          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15745      6213/java

tcp        = 0      0 = 0.0.0.0:9083          &= nbsp;     = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 19481      7110/java

tcp        = 0      0 = 0.0.0.0:50075          =      = 0.0.0.0:*          &nbs= p;        = LISTEN      = 1009       = 15750      6213/java

 

hduser@rhes564::/home/hduser/dba/bin> telnet = rhes564 9000

Trying = 50.140.197.217...

Connected to rhes564.

Escape character is '^]'.

 

H= TH

<= o:p> 

M= ich Talebzadeh

<= o:p> 

h= ttp://talebzadehmich.wordpress.com

 

Author of the = books "A Practitioner’s Guide to Upgrading to = Sybase ASE = 15", ISBN = 978-0-9563693-0-7. =

co-author = "Sybase Transact SQL Guidelines Best Practices", ISBN = 978-0-9759693-0-4

Publications due shortly:

Cr= eating in-memory Data Grid for Trading Systems with Oracle TimesTen and = Coherence Cache

Oracle and = Sybase, Concepts and Contrasts, = ISBN: = 978-0-9563693-1-4, volume one out = shortly

<= o:p> 

NO= TE: The information in this email is proprietary and confidential. This = message is for the designated recipient only, if you are not the = intended recipient, you should destroy it immediately. Any information = in this message shall not be understood as given or endorsed by Peridale = Ltd, its subsidiaries or their employees, unless expressly so stated. It = is the responsibility of the recipient to ensure that this email is = virus free, therefore neither Peridale Ltd, its subsidiaries nor their = employees accept any responsibility.

 

From:= Brahma = Reddy Battula [mailto:brahmareddy.battula@hotmail.com]
Sent: = 19 April 2015 17:53
To: = user@hadoop.apache.org
Subject: RE: ipc.Client: Retrying = connect to server

 

Hello Mahmood = Naderan,

 

=

When client is trying to = connect to server with configured port(and address) and server is not = started with that port then client will retry ( and you will get = following error..)..

 

=

I can able to trace that = Namenode is not running From JPS report which you had posted..Please = check the namenode logs ( location : /home/mah= mood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mahmood-name= node-tiger.out/log)

=

 

=

Date: Fri, 17 Apr 2015 = 08:22:12 +0000
From: nt_mahmood@yahoo.com
To: user@hadoop.apache.org
Subj= ect: ipc.Client: Retrying connect to = server

Hello,

I have done = all steps (as far as I know) to bring up the hadoop. However, I get the = this error

 

15/04/17 = 12:45:31 INFO ipc.Client: Retrying connect to server: = localhost/127.0.0.1:54310. Already tried 0 = time(s).



<= /o:p>

There are a = lot of threads and posts regarding this error and I tried them. However = still stuck at this error :(

 

Can someone = help me? What did I wrong?

 

 

 



<= /o:p>

Here are the = configurations:



<= /o:p>

1) Hadoop = configurations

[mahmood@tiger= hadoop-1.0.2]$ cat conf/mapred-site.xml
<?xml = version=3D"1.0"?>
<?xml-stylesheet = type=3D"text/xsl" = href=3D"configuration.xsl"?>
<!-- Put site-specific = property overrides in this file. = -->
<configuration>
<property>
  = <name>mapred.job.tracker</name>
  = <value>localhost:54311</value>
</property>
<pr= operty>
  = <name>mapred.child.java.opts</name>
  = <value>-Xmx512m</value>
</property>
</configur= ation>



<= /o:p>

[mahmood@tiger= hadoop-1.0.2]$ cat conf/core-site.xml
<?xml = version=3D"1.0"?>
<?xml-stylesheet = type=3D"text/xsl" = href=3D"configuration.xsl"?>
<!-- Put site-specific = property overrides in this file. = -->
<configuration>
<property>
  = <name>fs.default.name</name>
  = <value>hdfs://localhost:54310</value>
</property></configuration>



<= /o:p>

[mahmood@tiger= hadoop-1.0.2]$ cat conf/hdfs-site.xml
<?xml = version=3D"1.0"?>
<?xml-stylesheet = type=3D"text/xsl" = href=3D"configuration.xsl"?>
<!-- Put site-specific = property overrides in this file. = -->
<configuration>
<property>
  = <name>dfs.replication</name>
  = <value>1</value>
</property>
<property>
=   <name>hadoop.tmp.dir</name>
  = <value>/home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/tmp&l= t;/value>
</property>
<property>
  = <name>dfs.name.dir</name>
  = <value>/home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/name&= lt;/value>
</property>
<property>
  = <name>dfs.data.dir</name>
  = <value>/home/mahmood/bigdatabench/apache/hadoop-1.0.2/folders/data&= lt;/value>
</property>
</configuration>

=

 

 

 

 

 

2) Network = configuration

[root@tiger = hadoop-1.0.2]# cat /etc/sysconfig/iptables
# Firewall configuration = written by system-config-firewall
# Manual customization of this file = is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT = [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state = ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT = -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport = 5901 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 = -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j = ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 2049 -j = ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 54310 -j = ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 54311 -j = ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A = FORWARD -j REJECT --reject-with = icmp-host-prohibited
COMMIT

 

[root@tiger = hadoop-1.0.2]# /etc/init.d/iptables restart
iptables: Flushing = firewall = rules:           &= nbsp;           &n= bsp; [  OK  ]
iptables: Setting chains to policy ACCEPT: = filter          [  = OK  ]
iptables: Unloading = modules:           = ;            =         [  OK  = ]
iptables: Applying firewall = rules:           &= nbsp;           &n= bsp; [  OK  ]

 

[mahmood@tiger= hadoop-1.0.2]$ netstat -an | grep 54310

[mahmood@tiger= hadoop-1.0.2]$ netstat -an | grep = 54311
tcp        = 0      0 = ::ffff:127.0.0.1:54311      = :::*           &nb= sp;            = LISTEN
tcp      = 426      0 = ::ffff:127.0.0.1:54311      = ::ffff:127.0.0.1:49639      = ESTABLISHED
tcp        = 0      0 = ::ffff:127.0.0.1:49639      = ::ffff:127.0.0.1:54311      = ESTABLISHED

 

 

 

 

 

 

3) Starting = Hadoop

[mahmood@tiger= hadoop-1.0.2]$ stop-all.sh
Warning: $HADOOP_HOME is = deprecated.

stopping jobtracker
localhost: Warning: = $HADOOP_HOME is deprecated.
localhost:
localhost: stopping = tasktracker
no namenode to stop
localhost: Warning: $HADOOP_HOME = is deprecated.
localhost:
localhost: no datanode to = stop
localhost: Warning: $HADOOP_HOME is = deprecated.
localhost:
localhost: stopping = secondarynamenode

 

[mahmood@tiger= hadoop-1.0.2]$ start-all.sh
Warning: $HADOOP_HOME is = deprecated.

starting namenode, logging to = /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mah= mood-namenode-tiger.out
localhost: Warning: $HADOOP_HOME is = deprecated.
localhost:
localhost: starting datanode, logging to = /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mah= mood-datanode-tiger.out
localhost: Warning: $HADOOP_HOME is = deprecated.
localhost:
localhost: starting secondarynamenode, = logging to = /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mah= mood-secondarynamenode-tiger.out
starting jobtracker, logging to = /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mah= mood-jobtracker-tiger.out
localhost: Warning: $HADOOP_HOME is = deprecated.
localhost:
localhost: starting tasktracker, logging to = /home/mahmood/bigdatabench/apache/hadoop-1.0.2/libexec/../logs/hadoop-mah= mood-tasktracker-tiger.out

 

[mahmood@tiger= hadoop-1.0.2]$ jps
21712 JobTracker
21882 TaskTracker
21580 = SecondaryNameNode
21989 Jps

 

[mahmood@tiger= hadoop-1.0.2]$ hadoop dfsadmin -report
Warning: $HADOOP_HOME is = deprecated.
15/04/17 12:45:31 INFO ipc.Client: Retrying connect to = server: localhost/127.0.0.1:54310. Already tried 0 time(s).
15/04/17 = 12:45:32 INFO ipc.Client: Retrying connect to server: = localhost/127.0.0.1:54310. Already tried 1 = time(s).

 

Regards,
Ma= hmood

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