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		<title>DataStax Support Forums &#187; Topic: Cassandra not running after installation</title>
		<link>http://www.datastax.com/support-forums/topic/cassandra-not-running-after-installation</link>
		<description>Software, Support, and Training for Apache Cassandra</description>
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		<pubDate>Sat, 25 May 2013 23:25:38 +0000</pubDate>
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			<title>khahn on "Cassandra not running after installation"</title>
			<link>http://www.datastax.com/support-forums/topic/cassandra-not-running-after-installation#post-8310</link>
			<pubDate>Mon, 07 Jan 2013 14:43:20 +0000</pubDate>
			<dc:creator>khahn</dc:creator>
			<guid isPermaLink="false">8310@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;I think the  HeapDumpOnOutOfMemoryError -Xss180k that you see when Cassandra starts up is really not an error message. It is a parameter setting: &#60;a href=&#34;http://stackoverflow.com/questions/4651541/how-to-set-heapdumponoutofmemoryerror-and-heapdumppath-in-startup-bat-file-on-wi&#34; rel=&#34;nofollow&#34;&#62;http://stackoverflow.com/questions/4651541/how-to-set-heapdumponoutofmemoryerror-and-heapdumppath-in-startup-bat-file-on-wi&#60;/a&#62;&#60;/p&#62;
&#60;p&#62;If you had a previous version of cassandra installed, perform an upgrade (see &#60;a href=&#34;http://www.datastax.com/docs/1.2/install/upgrading)&#34; rel=&#34;nofollow&#34;&#62;http://www.datastax.com/docs/1.2/install/upgrading)&#60;/a&#62; instead of an install if you need to keep your previous data. If you don't need your previous data, clear the /var/lib/cassandra directory before starting the new version:&#60;/p&#62;
&#60;p&#62;as root: rm -rf /var/lib/cassandra/*&#60;/p&#62;
&#60;p&#62;If you don't do this, the Cassandra 1.2 will try to use your old version of the database--this will not work.
&#60;/p&#62;</description>
		</item>
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			<title>Dileep on "Cassandra not running after installation"</title>
			<link>http://www.datastax.com/support-forums/topic/cassandra-not-running-after-installation#post-8308</link>
			<pubDate>Mon, 07 Jan 2013 05:47:13 +0000</pubDate>
			<dc:creator>Dileep</dc:creator>
			<guid isPermaLink="false">8308@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Hi Khan,&#60;/p&#62;
&#60;p&#62;Thanks for the reply. Can i have brief description on the error &#60;/p&#62;
&#60;p&#62;xss = -ea -javaagent:/usr/share/cassandra/lib/jamm-0.2.5.jar -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 -Xms1024M -Xmx1024M -Xmn256M -XX:+HeapDumpOnOutOfMemoryError -Xss180k&#60;br /&#62;
* Cassandra is not running&#60;/p&#62;
&#60;p&#62;It might be useful for me.&#60;/p&#62;
&#60;p&#62;Thanks,&#60;br /&#62;
Dileep Chittaluri.
&#60;/p&#62;</description>
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			<title>khahn on "Cassandra not running after installation"</title>
			<link>http://www.datastax.com/support-forums/topic/cassandra-not-running-after-installation#post-8305</link>
			<pubDate>Sun, 06 Jan 2013 17:14:57 +0000</pubDate>
			<dc:creator>khahn</dc:creator>
			<guid isPermaLink="false">8305@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Sorry you had a problem and for the delay in answering. Have you tried following the instructions on &#60;a href=&#34;http://www.datastax.com/docs/1.2/install/install_deb?&#34; rel=&#34;nofollow&#34;&#62;http://www.datastax.com/docs/1.2/install/install_deb?&#60;/a&#62;
&#60;/p&#62;</description>
		</item>
		<item>
			<title>Dileep on "Cassandra not running after installation"</title>
			<link>http://www.datastax.com/support-forums/topic/cassandra-not-running-after-installation#post-8250</link>
			<pubDate>Wed, 02 Jan 2013 11:50:48 +0000</pubDate>
			<dc:creator>Dileep</dc:creator>
			<guid isPermaLink="false">8250@http://www.datastax.com/support-forums/</guid>
			<description>&#60;p&#62;Hi I've installed the cassandra and java with following process&#60;br /&#62;
Installing Java&#60;/p&#62;
&#60;p&#62;sudo apt-get install python-software-properties&#60;br /&#62;
sudo add-apt-repository ppa:ferramroberto/java&#60;br /&#62;
sudo apt-get update dpkg-buildpackage -uc -us&#60;br /&#62;
sudo apt-get install sun-java6-jdk sun-java6-plugin&#60;br /&#62;
sudo apt-get install sun-java6-jdk&#60;br /&#62;
sudo update-alternatives --config java&#60;/p&#62;
&#60;p&#62;Installing Cassandra &#60;/p&#62;
&#60;p&#62;vim source.list&#60;/p&#62;
&#60;p&#62;#deb &#60;a href=&#34;http://www.apache.org/dist/cassandra/debian&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org/dist/cassandra/debian&#60;/a&#62; 11x main&#60;br /&#62;
#deb-src &#60;a href=&#34;http://www.apache.org/dist/cassandra/debian&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org/dist/cassandra/debian&#60;/a&#62; 11x main&#60;/p&#62;
&#60;p&#62;deb &#60;a href=&#34;http://www.apache.org/dist/cassandra/debian&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org/dist/cassandra/debian&#60;/a&#62; 10x main&#60;br /&#62;
deb-src &#60;a href=&#34;http://www.apache.org/dist/cassandra/debian&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org/dist/cassandra/debian&#60;/a&#62; 10x main&#60;/p&#62;
&#60;p&#62;sudo apt-get update&#60;br /&#62;
sudo apt-get install cassandra&#60;/p&#62;
&#60;p&#62;If you got the error like&#60;/p&#62;
&#60;p&#62;GPG error: &#60;a href=&#34;http://www.apache.org&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org&#60;/a&#62; unstable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F758CE318D77295D&#60;br /&#62;
Then&#60;br /&#62;
gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D&#60;br /&#62;
gpg --export --armor F758CE318D77295D &#124; sudo apt-key add -&#60;br /&#62;
gpg --keyserver pgp.mit.edu --recv-keys 2B5C1B00&#60;br /&#62;
gpg --export --armor 2B5C1B00 &#124; sudo apt-key add -&#60;br /&#62;
sudo apt-get update&#60;br /&#62;
sudo apt-get install cassandra&#60;br /&#62;
To updates Alternatives&#60;br /&#62;
sudo update-alternatives --config javac&#60;br /&#62;
sudo update-alternatives --config java&#60;br /&#62;
sudo update-alternatives --config javaws&#60;br /&#62;
dpkg-buildpackage -uc -us&#60;/p&#62;
&#60;p&#62;Here when i installed 10x stable the installation is successful and when installing 11x stable &#60;/p&#62;
&#60;p&#62;The error was like &#60;/p&#62;
&#60;p&#62;xss =  -ea -javaagent:/usr/share/cassandra/lib/jamm-0.2.5.jar -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 -Xms1024M -Xmx1024M -Xmn256M -XX:+HeapDumpOnOutOfMemoryError -Xss180k&#60;br /&#62;
 * Cassandra is not running&#60;/p&#62;
&#60;p&#62;I would like to use 11x because it supports cqlsh. And I found the built was modified on 2012-12-20.Which was the date i faced problem. (&#60;a href=&#34;http://www.apache.org/dist/cassandra/debian/dists/&#34; rel=&#34;nofollow&#34;&#62;http://www.apache.org/dist/cassandra/debian/dists/&#60;/a&#62;)&#60;br /&#62;
Can you please say how to fix it. &#60;/p&#62;
&#60;p&#62;Thanks.&#60;br /&#62;
Source:&#60;/p&#62;
&#60;p&#62;&#60;a href=&#34;http://www.richwandell.com/wordpress/getting-up-and-running-with-cassandra-on-ubuntu-11-10/&#34; rel=&#34;nofollow&#34;&#62;http://www.richwandell.com/wordpress/getting-up-and-running-with-cassandra-on-ubuntu-11-10/&#60;/a&#62;
&#60;/p&#62;</description>
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