Failure reading a erroneous/spurious AutoSavingCache file can result in a 
failed application of a migration, which can prevent a node from reaching 
schema agreement.
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                 Key: CASSANDRA-3218
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3218
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.8.5
            Reporter: Eldon Stegall
            Priority: Minor


Failure reading a erroneous/spurious AutoSavingCache file can result in a 
failed application of a migration, which can prevent a node from reaching 
schema agreement. This is distinctly possible when a machine loses it's data 
partition, and attempts to recover the schema upon restart, and so has to apply 
all the migrations. The initial stack traces look like this:

Add column family: 
org.apache.cassandra.config.CFMetaData@38bcfee6[cfId=1000,ksName=someks,cfName=somecf,cfType=Standard,comparat
or=org.apache.cassandra.db.marshal.UTF8Type,subcolumncomparator=<null>, ...

Followed by:

ERROR 00:56:47,974 Fatal exception in thread Thread[MigrationStage:1,5,main]
java.lang.RuntimeException: java.lang.NegativeArraySizeException
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NegativeArraySizeException
        at 
org.apache.cassandra.cache.AutoSavingCache.readSaved(AutoSavingCache.java:130)
        at 
org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:273)
        at 
org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:465)
        at 
org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:435)
        at org.apache.cassandra.db.Table.initCf(Table.java:369)
        at 
org.apache.cassandra.db.migration.AddColumnFamily.applyModels(AddColumnFamily.java:93)
        at org.apache.cassandra.db.migration.Migration.apply(Migration.java:153)
        at 
org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:73)
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
        ... 6 more

Ultimately, attempted changes to this keyspace/cf will fail like this:

ERROR 13:07:51,006 Fatal exception in thread Thread[MigrationStage:1,5,main]
java.lang.RuntimeException: java.lang.IllegalArgumentException: Unknown CF 1000
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.IllegalArgumentException: Unknown CF 1000
        at org.apache.cassandra.db.Table.getColumnFamilyStore(Table.java:155)
        at org.apache.cassandra.db.Table.getColumnFamilyStore(Table.java:148)
        at 
org.apache.cassandra.db.migration.DropKeyspace.applyModels(DropKeyspace.java:63)
        at org.apache.cassandra.db.migration.Migration.apply(Migration.java:153)
        at 
org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:73)
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
        ... 6 more

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