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https://issues.apache.org/jira/browse/CASSANDRA-2240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999933#comment-12999933
 ] 

Yaniv Kunda commented on CASSANDRA-2240:
----------------------------------------

Update: restarted server and rerun scrub on the attached signatureBuckets CF, 
this time did not hung but gave the following error:
 INFO [CompactionExecutor:1] 2011-02-27 13:21:27,928 CompactionManager.java 
(line 511) Scrubbing 
SSTableReader(path='/vm1/cassandraDB/data/userSimilarity/signatureBuckets-f-104-Data.db')
 INFO [CompactionExecutor:1] 2011-02-27 13:21:28,430 
SSTableIdentityIterator.java (line 90) Invalid bloom filter in 
SSTableReader(path='/vm1/cassandraDB/data/userSimilarity/signatureBuckets-f-104-Data.db');
 will rebuild it
 INFO [CompactionExecutor:1] 2011-02-27 13:21:28,430 
SSTableIdentityIterator.java (line 99) Invalid row summary in 
SSTableReader(path='/vm1/cassandraDB/data/userSimilarity/signatureBuckets-f-104-Data.db');
 will rebuild it
ERROR [CompactionExecutor:1] 2011-02-27 13:21:28,434 
AbstractCassandraDaemon.java (line 114) Fatal exception in thread 
Thread[CompactionExecutor:1,1,main]
java.io.IOError: java.io.EOFException: attempted to skip 758940931 bytes but 
only skipped 1400349
        at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:113)
        at 
org.apache.cassandra.db.CompactionManager.doScrub(CompactionManager.java:548)
        at 
org.apache.cassandra.db.CompactionManager.access$600(CompactionManager.java:55)
        at 
org.apache.cassandra.db.CompactionManager$3.call(CompactionManager.java:194)
        at java.util.concurrent.FutureTask$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:636)
Caused by: java.io.EOFException: attempted to skip 758940931 bytes but only 
skipped 1400349
        at 
org.apache.cassandra.io.sstable.IndexHelper.skipBloomFilter(IndexHelper.java:51)
        at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:104)
        ... 8 more



> nodetool scrub hangs or throws an exception
> -------------------------------------------
>
>                 Key: CASSANDRA-2240
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2240
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 0.7.3
>         Environment: using build #314 from hudson
>            Reporter: Yaniv Kunda
>            Assignee: Jonathan Ellis
>             Fix For: 0.7.3
>
>         Attachments: exception2.txt, jstack1.txt, 
> signatureBuckets-f-104.tar.gz, test-0.6.x-tables.tar.gz, 
> userChannelFilter-f-210.tar.gz
>
>
> trying to run nodetool scrub hung or (only happened one time) threw the 
> following exception:
> Error occured while scrubbing keyspace <mykeyspace>
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> at java.util.concurrent.FutureTask.get(FutureTask.java:111)
> at 
> org.apache.cassandra.db.CompactionManager.performScrub(CompactionManager.java:203)
> at org.apache.cassandra.db.ColumnFamilyStore.scrub(ColumnFamilyStore.java:934)
> at org.apache.cassandra.service.StorageService.scrub(StorageService.java:1247)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:111)
> at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:45)
> at 
> com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:226)
> at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)
> at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:251)
> at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:857)
> at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:795)
> at 
> javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1450)
> at 
> javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:90)
> at 
> javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1285)
> at 
> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1383)
> at 
> javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:807)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
> at sun.rmi.transport.Transport$1.run(Transport.java:177)
> at java.security.AccessController.doPrivileged(Native Method)
> at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
> at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
> at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> Caused by: java.lang.AssertionError
> at 
> org.apache.cassandra.dht.RandomPartitioner.convertFromDiskFormat(RandomPartitioner.java:62)
> at 
> org.apache.cassandra.io.sstable.SSTableReader.decodeKey(SSTableReader.java:627)
> at 
> org.apache.cassandra.db.CompactionManager.doScrub(CompactionManager.java:541)
> at 
> org.apache.cassandra.db.CompactionManager.access$600(CompactionManager.java:55)
> at 
> org.apache.cassandra.db.CompactionManager$3.call(CompactionManager.java:194)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> ... 3 more

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