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
