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From Roger Schildmeijer <schildmei...@gmail.com>
Subject Re: Strange "Address already in use" error
Date Sun, 11 Jul 2010 15:29:07 GMT
Something is already using the port (probably 7000 (default, used internal by cassandra)) you
tried to bind. 
Use e.g. 'lsof -i' to investigate the port usage further. 

// Roger Schildmeijer

On 11 jul 2010, at 17.15em, osishkin osishkin wrote:

> I'm testing a simple Cassandra cluster on two machines. For some reaon
> after a while one of the nodes in the cluster crashes.
> At first I thought the fault was on me, so I simply started it up again.
> After the second time this happenned I noticed the following message errors -
> 
> INFO 17:28:05,624 Mycolumnfamily has reached its threshold; switching
> in a fresh Memtable at
> CommitLogContext(file='/var/lib/cassandra/commitlogMY/CommitLog-1278858485610.log',
> position=116)
> INFO 17:28:05,625 Enqueuing flush of Memtable(Mycolumnfamily)@1499027801
> INFO 17:28:05,672 Writing Memtable(Mycolumnfamily)@1499027801
> INFO 17:28:05,730 Completed flushing
> /var/lib/cassandra/dataMY/MYKeyspace1/Mycolumnfamily-27-Data.db
> INFO 17:28:05,731 Log replay complete
> INFO 17:28:05,756 Saved Token found: 66090367128402196046887347762075208662
> INFO 17:28:05,756 Saved ClusterName found: MY Cluster
> WARN 17:28:05,760 Unable to start GCInspector (currently only
> supported on the Sun JVM)
> INFO 17:28:05,760 Starting up server gossip
> ERROR 17:28:05,766 Exception encountered during startup.
> java.net.BindException: Address already in use
>        at sun.nio.ch.Net.bind(Native Method)
>        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:137)
>        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
>        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:52)
>        at org.apache.cassandra.net.MessagingService.listen(MessagingService.java:138)
>        at org.apache.cassandra.service.StorageService.initServer(StorageService.java:328)
>        at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:99)
>        at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:177)
> Exception encountered during startup.
> 
> Obviously nothing has changed on the machines, I'm using default ports
> that aren't taken by any other application (I saw people had problems
> with 8080, but it's not used on my machines. 9160 isn't either). When
> I started up cassandra again on both nodes, things worked just fine
> (until further notice at least).
> So I'm kind of at a loss here.
> 
> Any idea as to what is wrong would be appreciated
> Thank you.


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