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From Dikang Gu <dikan...@gmail.com>
Subject Exception encountered during startup.
Date Thu, 08 Sep 2011 12:36:16 GMT
I have a 4 cassandra 0.8.1 nodes in the cluster, one node crashes and I'm
trying to restart it.

But I encounter the following errors during the startup, is this a known
bug?


DEBUG [main] 2011-09-08 20:26:17,959 Table.java (line 305) Initializing
system.NodeIdInfo
DEBUG [main] 2011-09-08 20:26:17,963 ColumnFamilyStore.java (line 264)
Starting CFS NodeIdInfo
DEBUG [main] 2011-09-08 20:26:17,967 AutoSavingCache.java (line 175)
KeyCache capacity for NodeIdInfo is 1
ERROR [main] 2011-09-08 20:26:17,969 AbstractCassandraDaemon.java (line 332)
Exception encountered during startup.
java.lang.RuntimeException: javax.management.InstanceAlreadyExistsException:
org.apache.cassandra.db:type=ColumnFamilies,keyspace=system,columnfamily=NodeIdInfo
at
org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:315)
at
org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:455)
at
org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:436)
at org.apache.cassandra.db.Table.initCf(Table.java:369)
at org.apache.cassandra.db.Table.<init>(Table.java:306)
at org.apache.cassandra.db.Table.open(Table.java:111)
at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:212)
at
org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:128)
at
org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:315)
at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:80)
Caused by: javax.management.InstanceAlreadyExistsException:
org.apache.cassandra.db:type=ColumnFamilies,keyspace=system,columnfamily=NodeIdInfo
at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
at
org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:311)
... 9 more

Thanks.

-- 
Dikang Gu

0086 - 18611140205

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