http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112 Software, Support, and Training for Apache Cassandra en-US Sun, 26 May 2013 00:50:38 +0000 http://bbpress.org/?v=1.0.3 q http://www.datastax.com/support-forums/search.php http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112#post-6697 Thu, 27 Sep 2012 06:09:51 +0000 bhanu_regmi 6697@http://www.datastax.com/support-forums/ <p>on which OS are you trying to run Cassandra?<br /> if windows which version 32 bit or 64?<br /> if 32 please try this with 64 bit and enjoy.. </p> http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112#post-6668 Wed, 26 Sep 2012 11:46:38 +0000 vs 6668@http://www.datastax.com/support-forums/ <p>I was attempting to update existing Cassandra with the latest version when I ran into this problem. However, things worked fine once I deleted the contents of saved_caches, data and commitlog directory and restarted the server.</p> <p>Thanks,<br /> VS </p> http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112#post-6416 Tue, 11 Sep 2012 15:42:16 +0000 nickmbailey 6416@http://www.datastax.com/support-forums/ <p>It looks like you are trying to run DataStax Community which does not come with CFS support. That is only included in DataStax Enterprise. </p> http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112#post-6121 Wed, 22 Aug 2012 07:55:19 +0000 boudy 6121@http://www.datastax.com/support-forums/ <p>Is this a new install? The compaction strategy(CFSCompactionStrategy) has been added in one of the later versions.</p> <p>Bou </p> http://www.datastax.com/support-forums/topic/unable-to-start-dsc-cassandra-112#post-6072 Wed, 15 Aug 2012 10:56:00 +0000 vs 6072@http://www.datastax.com/support-forums/ <p>Hi,<br /> I am attempting to start the server, but it fails with the following exception.</p> <p>~/dsc-cassandra-1.1.2$ sudo bin/cassandra<br /> :<br /> :<br /> ERROR 16:21:57,762 Exception encountered during startup<br /> java.lang.RuntimeException: org.apache.cassandra.config.ConfigurationException: Unable to find compaction strategy class 'com.datastax.bdp.hadoop.cfs.compaction.CFSCompactionStrategy'<br /> at org.apache.cassandra.config.Avro.cfFromAvro(Avro.java:159)<br /> at org.apache.cassandra.config.Avro.ksFromAvro(Avro.java:92)<br /> at org.apache.cassandra.db.DefsTable.loadFromStorage(DefsTable.java:217)<br /> at org.apache.cassandra.config.DatabaseDescriptor.loadSchemas(DatabaseDescriptor.java:520)<br /> at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:182)<br /> at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:353)<br /> at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:106)<br /> Caused by: org.apache.cassandra.config.ConfigurationException: Unable to find compaction strategy class 'com.datastax.bdp.hadoop.cfs.compaction.CFSCompactionStrategy'<br /> at org.apache.cassandra.utils.FBUtilities.classForName(FBUtilities.java:434)<br /> at org.apache.cassandra.config.CFMetaData.createCompactionStrategy(CFMetaData.java:773)<br /> at org.apache.cassandra.config.Avro.cfFromAvro(Avro.java:155)<br /> ... 6 more<br /> ... </p>