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    <title>question Re: cloudbreak deployer with error &amp;quot;UnknownHostException&amp;quot; in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/cloudbreak-deployer-with-error-quot-UnknownHostException/m-p/107322#M30059</link>
    <description>&lt;P&gt;seems like the deployer host has name resolution issues. it has "no internet access". from cbd docktror output:
- it cant resolve dns names (for example github.com)
- it can'y even reach google's dns server (8.8.8.8)
&lt;/P&gt;&lt;P&gt;Can you please make sure, that you start the cbd deployer instance in a network where you have internet access?
It will be needed by ambari for yum installs&lt;/P&gt;</description>
    <pubDate>Mon, 30 May 2016 19:48:09 GMT</pubDate>
    <dc:creator>lpapp</dc:creator>
    <dc:date>2016-05-30T19:48:09Z</dc:date>
    <item>
      <title>cloudbreak deployer with error "UnknownHostException"</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/cloudbreak-deployer-with-error-quot-UnknownHostException/m-p/107321#M30058</link>
      <description>&lt;P&gt;cloudbreak deployer with openstack: when create cluster, error "org.openstack4j.api.exceptions.ConnectionException: java.net.UnknownHostException".&lt;/P&gt;&lt;P&gt;My cloud is using version openstack kilo, which is distributed by 2 physical servers, cloudbreak deployer version is 1.2.1, when deployer is started,  associating it with a floating-ip, and then ssh it, excute cbd init and cbd start commands, then successfully access and login in to &lt;A href="http://deployer-floating-ip:3000" target="_blank" rel="nofollow noopener noreferrer"&gt;http://deployer-floating-ip:3000&lt;/A&gt; via browser, then I create credential、network and so on, and then I create a cluster with a bluepoint, but deployer reports and error "org.openstack4j.api.exceptions.ConnectionException: java.net.UnknownHostException: controller".&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="4651-unknownhostexception.png" style="width: 1364px;"&gt;&lt;img src="https://community.cloudera.com/t5/image/serverpage/image-id/23466iEA81919049D9D3C9/image-size/medium?v=v2&amp;amp;px=400" role="button" title="4651-unknownhostexception.png" alt="4651-unknownhostexception.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="4652-cbd-doctor.png" style="width: 910px;"&gt;&lt;img src="https://community.cloudera.com/t5/image/serverpage/image-id/23467i93878BF190BF3D31/image-size/medium?v=v2&amp;amp;px=400" role="button" title="4652-cbd-doctor.png" alt="4652-cbd-doctor.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;When I create credential, I cannot use keystone v2, I have to use key stone v3, because keystone only support v3。&lt;/P&gt;</description>
      <pubDate>Mon, 19 Aug 2019 11:46:02 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/cloudbreak-deployer-with-error-quot-UnknownHostException/m-p/107321#M30058</guid>
      <dc:creator>liuyanpunk</dc:creator>
      <dc:date>2019-08-19T11:46:02Z</dc:date>
    </item>
    <item>
      <title>Re: cloudbreak deployer with error "UnknownHostException"</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/cloudbreak-deployer-with-error-quot-UnknownHostException/m-p/107322#M30059</link>
      <description>&lt;P&gt;seems like the deployer host has name resolution issues. it has "no internet access". from cbd docktror output:
- it cant resolve dns names (for example github.com)
- it can'y even reach google's dns server (8.8.8.8)
&lt;/P&gt;&lt;P&gt;Can you please make sure, that you start the cbd deployer instance in a network where you have internet access?
It will be needed by ambari for yum installs&lt;/P&gt;</description>
      <pubDate>Mon, 30 May 2016 19:48:09 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/cloudbreak-deployer-with-error-quot-UnknownHostException/m-p/107322#M30059</guid>
      <dc:creator>lpapp</dc:creator>
      <dc:date>2016-05-30T19:48:09Z</dc:date>
    </item>
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