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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-4857) FileNotFoundException after create-drop-create keyspace
Date Wed, 24 Oct 2012 22:38:12 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-4857.
---------------------------------------

       Resolution: Won't Fix
    Fix Version/s:     (was: 1.2.0)

+1, fix is to use truncate instead of drop + recreate.
                
> FileNotFoundException after create-drop-create keyspace
> -------------------------------------------------------
>
>                 Key: CASSANDRA-4857
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4857
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Cassandra trunk (565c576)
>            Reporter: Tyler Patterson
>            Assignee: Pavel Yaskevich
>         Attachments: system.log
>
>
> {code}
>  INFO [CompactionExecutor:28] 2012-10-24 14:32:22,756 CompactionTask.java (line 116)
Compacting [SSTableReader(path='/var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-1-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-6-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-4-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-3-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-2-Data.db')]
> ERROR [CompactionExecutor:28] 2012-10-24 14:32:22,758 CassandraDaemon.java (line 132)
Exception in thread Thread[CompactionExecutor:28,1,main]
> java.lang.RuntimeException: java.io.FileNotFoundException: /var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-1-Data.db
(No such file or directory)
> 	at org.apache.cassandra.io.compress.CompressedRandomAccessReader.open(CompressedRandomAccessReader.java:51)
> 	at org.apache.cassandra.io.sstable.SSTableReader.openDataReader(SSTableReader.java:1094)
> 	at org.apache.cassandra.io.sstable.SSTableScanner.<init>(SSTableScanner.java:51)
> 	at org.apache.cassandra.io.sstable.SSTableReader.getDirectScanner(SSTableReader.java:937)
> 	at org.apache.cassandra.io.sstable.SSTableReader.getDirectScanner(SSTableReader.java:949)
> 	at org.apache.cassandra.db.compaction.AbstractCompactionStrategy.getScanners(AbstractCompactionStrategy.java:127)
> 	at org.apache.cassandra.db.compaction.AbstractCompactionStrategy.getScanners(AbstractCompactionStrategy.java:133)
> 	at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:128)
> 	at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> 	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> 	at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:69)
> 	at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:179)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
> 	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:680)
> Caused by: java.io.FileNotFoundException: /var/lib/cassandra/data/Twissandra/Tweet/Twissandra-Tweet-ia-1-Data.db
(No such file or directory)
> 	at java.io.RandomAccessFile.open(Native Method)
> 	at java.io.RandomAccessFile.<init>(RandomAccessFile.java:216)
> 	at org.apache.cassandra.io.util.RandomAccessReader.<init>(RandomAccessReader.java:64)
> 	at org.apache.cassandra.io.compress.CompressedRandomAccessReader.<init>(CompressedRandomAccessReader.java:70)
> 	at org.apache.cassandra.io.compress.CompressedRandomAccessReader.open(CompressedRandomAccessReader.java:47)
> 	... 17 more
> {code}
> This error has been happening consistently using a modified version of the twissandra
project. We have a script that loads in a bunch of tweet data. The error happens when I drop
the keyspace, then recreate it and the columnfamilies, and rerun the script to load the data
again.

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