Hello, I've been running a single node cluster (0.7.4 built from the SVN tag, running on JDK 1.6.0_21 on Ubuntu 10.10) for testing purposes. After running fine for a couple of weeks, I got the error below on startup. It sounded like the error which is supposed to be fixed by the nodetool scrub command, but since I can't run the scrub command without starting up the instance, and the instance won't start, this wasn't any use. Also, I'm fairly certain that the keyspaces in this node have only been written by 0.7.4 code.
Since it was just a test node, I just blew away the data directory. Had I been thinking, I would have saved it off so I could duplicate the issue. If I can provide any other information, please let me know. Thank you, Paul paul@host:~/apps/cassandra-svn/bin$ ./cassandra -f INFO 20:57:44,344 Logging initialized INFO 20:57:44,357 Heap size: 3051814912/3052863488 INFO 20:57:44,358 JNA not found. Native methods will be disabled. INFO 20:57:44,365 Loading settings from file:/home/paul/apps/cassandra-svn/conf/cassandra.yaml INFO 20:57:44,474 DiskAccessMode 'auto' determined to be mmap, indexAccessMode is mmap INFO 20:57:44,593 Opening /home/paul/apps/cassandra/node1/data/system/Schema-f-378 INFO 20:57:44,606 Opening /home/paul/apps/cassandra/node1/data/system/Schema-f-379 INFO 20:57:44,608 Opening /home/paul/apps/cassandra/node1/data/system/Schema-f-377 INFO 20:57:44,618 Opening /home/paul/apps/cassandra/node1/data/system/Migrations-f-377 INFO 20:57:44,620 Opening /home/paul/apps/cassandra/node1/data/system/Migrations-f-378 INFO 20:57:44,622 Opening /home/paul/apps/cassandra/node1/data/system/Migrations-f-379 INFO 20:57:44,627 Opening /home/paul/apps/cassandra/node1/data/system/LocationInfo-f-29 INFO 20:57:44,629 Opening /home/paul/apps/cassandra/node1/data/system/LocationInfo-f-30 INFO 20:57:44,631 Opening /home/paul/apps/cassandra/node1/data/system/LocationInfo-f-31 INFO 20:57:44,674 Loading schema version debf273e-631f-11e0-ac72-e700f669bcfc INFO 20:57:44,883 Opening /home/paul/apps/cassandra/node1/data/DaisyWorksKS/User-f-1 INFO 20:57:44,886 Opening /home/paul/apps/cassandra/node1/data/DaisyWorksKS/User-f-2 INFO 20:57:44,892 Opening /home/paul/apps/cassandra/node1/data/DaisyWorksTest/User-f-11 INFO 20:57:44,895 Opening /home/paul/apps/cassandra/node1/data/DaisyWorksTest/Product-f-10 INFO 20:57:44,908 Creating new commitlog segment /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302569864908.log INFO 20:57:44,916 Replaying /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302379611027.log, /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302567818267.log, /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302567841352.log, /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302567871659.log, /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302568152030.log, /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302569289258.log INFO 20:57:44,937 Finished reading /home/paul/apps/cassandra/node1/commitlog/CommitLog-1302379611027.log ERROR 20:57:44,937 Exception encountered during startup. java.io.IOError: java.io.EOFException at org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:246) at org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:262) at org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:223) at java.util.concurrent.ConcurrentSkipListMap.buildFromSorted(ConcurrentSkipListMap.java:1493) at java.util.concurrent.ConcurrentSkipListMap.<init>(ConcurrentSkipListMap.java:1443) at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:363) at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:311) at org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:129) at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:120) at org.apache.cassandra.db.RowMutation$RowMutationSerializer.deserialize(RowMutation.java:380) at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:253) at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:156) at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:173) at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:314) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:79) Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:180) at java.io.DataInputStream.readFully(DataInputStream.java:152) at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:320) at org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:289) at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:66) at org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:242) ... 14 more Exception encountered during startup. java.io.IOError: java.io.EOFException at org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:246) at org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:262) at org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:223) at java.util.concurrent.ConcurrentSkipListMap.buildFromSorted(ConcurrentSkipListMap.java:1493) at java.util.concurrent.ConcurrentSkipListMap.<init>(ConcurrentSkipListMap.java:1443) at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:363) at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:311) at org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:129) at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:120) at org.apache.cassandra.db.RowMutation$RowMutationSerializer.deserialize(RowMutation.java:380) at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:253) at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:156) at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:173) at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:314) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:79) Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:180) at java.io.DataInputStream.readFully(DataInputStream.java:152) at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:320) at org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:289) at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:66) at org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:242) ... 14 more paul@host:~/apps/cassandra-svn/bin$ l