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https://issues.apache.org/jira/browse/CASSANDRA-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jonathan Ellis resolved CASSANDRA-1633.
---------------------------------------

    Resolution: Duplicate

fixed in CASSANDRA-1626

> CLI command create keyspace can destroy the schema
> --------------------------------------------------
>
>                 Key: CASSANDRA-1633
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1633
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>    Affects Versions: 0.7 beta 2
>         Environment: NetBSD methusalix.pas-un-geek-en-tant-que-tel.ch 5.99.39 
> NetBSD 5.99.39 (GENERIC) #2: Sun Oct 10 00:40:52 CEST 2010  
> [email protected]:/usr/obj/sys/arch/amd64/compile/GENERIC
>  amd64
> OpenJDK Runtime Environment (build 1.7.0-internal-pkgsrc_2010_06_24_02_32-b00)
> OpenJDK 64-Bit Server VM (build 18.0-b04, mixed mode)
>            Reporter: Tonnerre Lombard
>
> When trying to create a keyspace through the cli, wrong parameters can break 
> the schema and make the database unusable.
> [defa...@unknown] create keyspace foo with placement_strategy = 
> 'org.apache.cassandra.locator.NetworkTopologyStrategy' and replication_factor 
> = 2
> java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
> [defa...@unknown] create keyspace foo with placement_strategy = 
> 'org.apache.cassandra.locator.NetworkTopologyStrategy' and replication_factor 
> = 1
> Keyspace already exists.
> [defa...@unknown] drop keyspace foo
> Exception null
> [defa...@unknown]
> From the cassandra log:
> ERROR [GC inspection] 2010-10-20 01:00:44,403 AbstractCassandraDaemon.java 
> (line 88) Fatal exception in thread Thread[GC inspection,5,main]
> java.lang.reflect.UndeclaredThrowableException
>         at $Proxy5.getActiveCount(Unknown Source)
>         at 
> org.apache.cassandra.service.GCInspector.logThreadPoolStats(GCInspector.java:156)
>         at 
> org.apache.cassandra.service.GCInspector.logIntervalGCStats(GCInspector.java:136)
>         at 
> org.apache.cassandra.service.GCInspector.access$000(GCInspector.java:39)
>         at org.apache.cassandra.service.GCInspector$1.run(GCInspector.java:93)
>         at java.util.TimerThread.mainLoop(Timer.java:555)
>         at java.util.TimerThread.run(Timer.java:505)
> Caused by: javax.management.AttributeNotFoundException: No such attribute: 
> ActiveCount
>         at 
> com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:81)
>         at 
> com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:204)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647)
>         at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:668)
>         at 
> javax.management.MBeanServerInvocationHandler.invoke(MBeanServerInvocationHandler.java:280)
>         ... 7 more
> ERROR [MIGRATION_STAGE:1] 2010-10-20 01:00:44,417 
> AbstractCassandraDaemon.java (line 88) Fatal exception in thread 
> Thread[MIGRATION_STAGE:1,5,main]
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.lang.reflect.InvocationTargetException
>         at 
> org.apache.cassandra.service.StorageService.createReplicationStrategy(StorageService.java:287)
>         at 
> org.apache.cassandra.service.StorageService.initReplicationStrategy(StorageService.java:262)
>         at 
> org.apache.cassandra.config.DatabaseDescriptor.setTableDefinition(DatabaseDescriptor.java:1006)
>         at 
> org.apache.cassandra.db.migration.AddKeyspace.applyModels(AddKeyspace.java:74)
>         at 
> org.apache.cassandra.db.migration.Migration.apply(Migration.java:157)
>         at 
> org.apache.cassandra.thrift.CassandraServer$1.call(CassandraServer.java:645)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:717)
> Caused by: java.lang.RuntimeException: 
> java.lang.reflect.InvocationTargetException
>         at 
> org.apache.cassandra.locator.AbstractReplicationStrategy.createReplicationStrategy(AbstractReplicationStrategy.java:241)
>         at 
> org.apache.cassandra.service.StorageService.createReplicationStrategy(StorageService.java:277)
>         ... 10 more
> Caused by: java.lang.reflect.InvocationTargetException
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
> Method)
>         at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>         at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:531)
>         at 
> org.apache.cassandra.locator.AbstractReplicationStrategy.createReplicationStrategy(AbstractReplicationStrategy.java:237)
>         ... 11 more
> Caused by: java.lang.NullPointerException
>         at 
> org.apache.cassandra.locator.NetworkTopologyStrategy.<init>(NetworkTopologyStrategy.java:62)
>         ... 16 more
> After that, the server won't start anymore:
> Exception encountered during startup.
> java.lang.NullPointerException
>         at 
> org.apache.cassandra.io.sstable.IndexSummary.complete(IndexSummary.java:60)
>         at 
> org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:270)
>         at 
> org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:173)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:157)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:334)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:322)
>         at org.apache.cassandra.db.Table.initCf(Table.java:301)
>         at org.apache.cassandra.db.Table.<init>(Table.java:249)
>         at org.apache.cassandra.db.Table.open(Table.java:102)
>         at 
> org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:142)
>         at 
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:99)
>         at 
> org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:54)
>         at 
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:201)
>         at 
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:133)

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