I am guessing you are running low on disk space. Can you check and try to free 
some up ? 

Looks like a bug in CompactionTask.execute() see 
https://issues.apache.org/jira/browse/CASSANDRA-3985

Hope that helps. 

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 1/03/2012, at 4:30 AM, Casey Deccio wrote:

> Using cassandra 1.0.7, I got the following, as I was trying to rebuild my 
> sstables:
> 
> $ nodetool -h localhost upgradesstables
> Error occured while upgrading the sstables for keyspace MyKeySpace
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at 
> org.apache.cassandra.db.compaction.CompactionManager.performAllSSTableOperation(CompactionManager.java:203)
>         at 
> org.apache.cassandra.db.compaction.CompactionManager.performSSTableRewrite(CompactionManager.java:219)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.sstablesRewrite(ColumnFamilyStore.java:995)
>         at 
> org.apache.cassandra.service.StorageService.upgradeSSTables(StorageService.java:1648)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at 
> com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
>         at java.io.File.<init>(File.java:222)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.getTempSSTablePath(ColumnFamilyStore.java:641)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.getTempSSTablePath(ColumnFamilyStore.java:652)
>         at 
> org.apache.cassandra.db.ColumnFamilyStore.createCompactionWriter(ColumnFamilyStore.java:1888)
>         at 
> org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:151)
>         at 
> org.apache.cassandra.db.compaction.CompactionManager$4.perform(CompactionManager.java:229)
>         at 
> org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:182)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         ... 3 more
> 
> Any help?
> 
> Regards,
> Casey

Reply via email to