The failing assertion is there to check that there actually is data associated with the key.
Easiest fix to try is code from trunk. On Sat, Nov 14, 2009 at 4:08 PM, Ramzi Rabah <[email protected]> wrote: > Hi all: > I am using version 0.4.2 of Cassandra, and whenever I restart one of > the nodes only I am getting the following exception consistently: > INFO - Compacting > [/disk1/cassandra/data/Keyspace1/Datastore-1-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-2-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-3-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-4-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-7-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-10-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-13-Data.db,/disk1/cassandra/data/Keyspace1/Datastore-31-Data.db] > INFO - Replaying > /var/lib/cassandra/commitlog/CommitLog-1258227394451.log, > /var/lib/cassandra/commitlog/CommitLog-1258235275214.log > ERROR - Error in ThreadPoolExecutor > java.util.concurrent.ExecutionException: java.lang.AssertionError > at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) > at java.util.concurrent.FutureTask.get(FutureTask.java:83) > at > org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:887) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:619) > Caused by: java.lang.AssertionError > at org.apache.cassandra.io.SSTableWriter.append(SSTableWriter.java:100) > at > org.apache.cassandra.db.ColumnFamilyStore.doFileCompaction(ColumnFamilyStore.java:1103) > at > org.apache.cassandra.db.ColumnFamilyStore.doCompaction(ColumnFamilyStore.java:686) > at > org.apache.cassandra.db.MinorCompactionManager$1.call(MinorCompactionManager.java:166) > at > org.apache.cassandra.db.MinorCompactionManager$1.call(MinorCompactionManager.java:163) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) > ... 2 more > INFO - Flushing Memtable(Datastore)@349572395 > > Seems like it's happening in the compaction phase. Any idea why that might be? > > Thanks > Ray >
