Xupeng, can you confirm that the hosts.txt file at /var/run/hmc/clusters/EBHadoop/hosts.txt is empty?
Also, can you ensure that the hostdetails file that you upload does not have any special characters that may be creating problems for the parsing layer? In the same dir, there should be an ssh.sh script. Can you create a copy of it, edit to remove the logging re-directs to files and run the script manually from command-line ( it takes in a hostname as the argument ) ? The output of that should show you as to what is going wrong. Also, please look at /var/log/hmc/hmc.log and httpd/error_log to see if there are any errors being logged which may shed more light on the issue. thanks -- Hitesh On Aug 9, 2012, at 9:11 AM, Artem Ervits wrote: > Which file are you supplying in the step? Hostdetail.txt or hosts? > > From: xupeng.bupt [mailto:[email protected]] > Sent: Thursday, August 09, 2012 11:33 AM > To: ambari-user > Subject: Re: RE: Problem when setting up hadoop cluster step 2 > > Thank you for your replying ~ > > > I made only one hostdetail.txt file which contains the names of all servers. > And i submit this file on the website , but i still have the same problem. I > failed at the step of finding reachable nodes. > > The error log is : " > [ERROR][sequentialScriptExecutor][sequentialScriptRunner.php:272][]: > Encountered total failure in transaction 100 while running cmd: > /usr/bin/php ./addNodes/findSshableNodes.php with args: EBHadoop root > 35 100 36 /var/run/hmc/clusters/EBHadoop/hosts.txt > " > > And my hostdetail.txt file is :" > vbaby2.cloud.eb > vbaby3.cloud.eb > vbaby4.cloud.eb > vbaby5.cloud.eb > vbaby6.cloud.eb > " > Thank you very much ~ > > 2012-08-09 > xupeng.bupt > 发件人： Artem Ervits > 发送时间： 2012-08-09 22:16:53 > 收件人： [email protected] > 抄送： > 主题： RE: Problem when setting up hadoop cluster step 2 > the installer requires a hosts file which I believe you called hostdetail. > Make sure it's the same file. You also mention a hosts.txt and host.txt. You > only need one file with the names of all servers. > -----Original Message----- > From: xu peng [mailto:[email protected]] > Sent: Thursday, August 09, 2012 2:02 AM > To: [email protected] > Subject: Problem when setting up hadoop cluster step 2 > Hi everyone : > I am trying to use ambari to set up a hadoop cluster , but i encounter a > problem on step 2. I already set up the password-less ssh, and i creat a > hostdetail.txt file. > The problem is that i found the file > "/var/run/hmc/clusters/EBHadoop/hosts.txt" is empty , no matter how many > times i submit the host.txt file on the website , and i really don't know why. > { > Here is the log file : [2012:08:09 > 05:17:56][ERROR][sequentialScriptExecutor][sequentialScriptRunner.php:272][]: > Encountered total failure in transaction 100 while running cmd: > /usr/bin/php ./addNodes/findSshableNodes.php with args: EBHadoop root > 35 100 36 /var/run/hmc/clusters/EBHadoop/hosts.txt > and my host.txt is like this(vbaby1.cloud.eb is the master node) : > vbaby2.cloud.eb > vbaby3.cloud.eb > vbaby4.cloud.eb > vbaby5.cloud.eb > vbaby6.cloud.eb > } > Can anyone help me and tell me what i am doing wrong ? > Thank you very much ~! > This electronic message is intended to be for the use only of the named > recipient, and may contain information that is confidential or privileged. 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