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		<title>DataStax Support Forums &#187; Tag: Opcenter - Recent Posts</title>
		<link>http://www.datastax.com/support-forums/tags/opcenter</link>
		<description>Software, Support, and Training for Apache Cassandra</description>
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		<pubDate>Tue, 21 May 2013 14:44:23 +0000</pubDate>
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		<item>
			<title>Anonymous on "OpCenter : Error install agent"</title>
			<link>http://www.datastax.com/support-forums/topic/opcenter-error-install-agent#post-2010</link>
			<pubDate>Thu, 31 May 2012 00:12:36 +0000</pubDate>
			<dc:creator>Anonymous</dc:creator>
			<guid isPermaLink="false">2010@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Thomas,&#60;/p&#62;
&#60;p&#62;yes you were right, the problem was with the ssh connection. When I tried to ssh manually to the node using the same method ( with username and password ) i couldn't do it because i forgot to add the public key to the authorized_keys file.&#60;br /&#62;
I fixed the problem and the installation completed successfully.&#60;/p&#62;
&#60;p&#62;Thanks Thomas for your help.
&#60;/p&#62;</description>
		</item>
		<item>
			<title>Anonymous on "OpCenter : Error install agent"</title>
			<link>http://www.datastax.com/support-forums/topic/opcenter-error-install-agent#post-2009</link>
			<pubDate>Wed, 30 May 2012 14:13:24 +0000</pubDate>
			<dc:creator>Anonymous</dc:creator>
			<guid isPermaLink="false">2009@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Selim,&#60;/p&#62;
&#60;p&#62;It looks like there's a problem when trying to ssh to install the agent on that node.&#60;/p&#62;
&#60;p&#62;Are you using a username and password or an ssh key to install the agent? Can you ssh manually to the node using that same method? When you do successfully ssh to that node, is there an ssh welcome banner that gets displayed?&#60;/p&#62;
&#60;p&#62;On the node that you're trying to install the agent, could you paste any errors that are in &#60;code&#62;/var/log/opscenter-agent/installer.log&#60;/code&#62;?&#60;/p&#62;
&#60;p&#62;Thomas
&#60;/p&#62;</description>
		</item>
		<item>
			<title>Anonymous on "OpCenter : Error install agent"</title>
			<link>http://www.datastax.com/support-forums/topic/opcenter-error-install-agent#post-2000</link>
			<pubDate>Mon, 28 May 2012 14:05:07 +0000</pubDate>
			<dc:creator>Anonymous</dc:creator>
			<guid isPermaLink="false">2000@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Hi,&#60;/p&#62;
&#60;p&#62;I have installed successfully OpsCenter from the Debian package.When I've tried the automatic installation of the agent I got this error (when i click on the button &#34;install on all nodes&#34; : &#60;/p&#62;
&#60;p&#62;Error during agent install ('ascii' codec can't decode byte 0xc3 in position 202: ordinal not in range(128))&#60;/p&#62;
&#60;p&#62;Looking at the logs (/var/log/opscenter/opscenterd.log, I found this error:&#60;/p&#62;
&#60;p&#62;2012-05-28 14:24:36+0100 [] Problem while calling InstallAgentController&#60;br /&#62;
    Traceback (most recent call last):&#60;br /&#62;
      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/internet/defer.py&#34;, line 542, in _runCallbacks&#60;br /&#62;
        current.result = callback(current.result, *args, **kw)&#60;br /&#62;
      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/internet/defer.py&#34;, line 1076, in gotResult&#60;br /&#62;
        _inlineCallbacks(r, g, deferred)&#60;br /&#62;
      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/internet/defer.py&#34;, line 1018, in _inlineCallbacks&#60;br /&#62;
        result = result.throwExceptionIntoGenerator(g)&#60;br /&#62;
      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/python/failure.py&#34;, line 349, in throwExceptionIntoGenerator&#60;br /&#62;
        return g.throw(self.type, self.value, self.tb)&#60;br /&#62;
    --- &#38;lt;exception caught here&#38;gt; ---&#60;br /&#62;
      File &#34;/usr/lib/python2.6/dist-packages/opscenterd/TwistedRouter.py&#34;, line 185, in doCall&#60;/p&#62;
&#60;p&#62;      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/internet/defer.py&#34;, line 1018, in _inlineCallbacks&#60;br /&#62;
        result = result.throwExceptionIntoGenerator(g)&#60;br /&#62;
      File &#34;/usr/share/opscenter/lib/py-debian/2.6/i386/twisted/python/failure.py&#34;, line 349, in throwExceptionIntoGenerator&#60;br /&#62;
        return g.throw(self.type, self.value, self.tb)&#60;br /&#62;
      File &#34;/usr/lib/python2.6/dist-packages/opscenterd/WebServer.py&#34;, line 1137, in InstallAgentController&#60;/p&#62;
&#60;p&#62;    exceptions.UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 202: ordinal not in range(128)&#60;/p&#62;
&#60;p&#62;I'm using OpsCenter 2.0 , python 2.6.5 , java version 1.6.0_20&#60;br /&#62;
Thanks in advance&#60;br /&#62;
Selim
&#60;/p&#62;</description>
		</item>
		<item>
			<title>Anonymous on "Cannot start DataStax_Opcenter_Community service."</title>
			<link>http://www.datastax.com/support-forums/topic/cannot-start-datastax_opcenter_community-service#post-1124</link>
			<pubDate>Thu, 09 Feb 2012 23:15:16 +0000</pubDate>
			<dc:creator>Anonymous</dc:creator>
			<guid isPermaLink="false">1124@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Ahh seems to be working now. I had Microsoft Visual C++ 2008 Redistributable Package (x64) installed.&#60;/p&#62;
&#60;p&#62;Thanks for the quick and decisive reply.&#60;/p&#62;
&#60;p&#62;-cheers
&#60;/p&#62;</description>
		</item>
		<item>
			<title>mbulman on "Cannot start DataStax_Opcenter_Community service."</title>
			<link>http://www.datastax.com/support-forums/topic/cannot-start-datastax_opcenter_community-service#post-1122</link>
			<pubDate>Thu, 09 Feb 2012 21:57:28 +0000</pubDate>
			<dc:creator>mbulman</dc:creator>
			<guid isPermaLink="false">1122@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Can you try installing &#60;a href=&#34;http://www.microsoft.com/download/en/details.aspx?displaylang=en&#38;#038;id=29&#34; rel=&#34;nofollow&#34;&#62;http://www.microsoft.com/download/en/details.aspx?displaylang=en&#38;#038;id=29&#60;/a&#62; to see if that helps?   I assume the Cassandra and OpsCenter Agent services are running successfully?
&#60;/p&#62;</description>
		</item>
		<item>
			<title>Anonymous on "Cannot start DataStax_Opcenter_Community service."</title>
			<link>http://www.datastax.com/support-forums/topic/cannot-start-datastax_opcenter_community-service#post-1119</link>
			<pubDate>Thu, 09 Feb 2012 20:02:05 +0000</pubDate>
			<dc:creator>Anonymous</dc:creator>
			<guid isPermaLink="false">1119@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Fresh build of Win 2008r2.&#60;br /&#62;
Error is Event view System log &#34;The DataStax_OpsCenter_Community service terminated with service -specific error The operation completed successfully..&#60;/p&#62;
&#60;p&#62;Port 8888 is not listening and &#60;a href=&#34;http://localhost:8888&#34; rel=&#34;nofollow&#34;&#62;http://localhost:8888&#60;/a&#62; does not respond.&#60;/p&#62;
&#60;p&#62;Any ideas?
&#60;/p&#62;</description>
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