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https://issues.apache.org/jira/browse/CASSANDRA-3544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yuki Morishita updated CASSANDRA-3544:
--------------------------------------
Attachment: (was: cassandra-1.0-3544.txt)
> NPE on startup when there are permissions issues with directories
> -----------------------------------------------------------------
>
> Key: CASSANDRA-3544
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3544
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Yuki Morishita
> Priority: Minor
> Fix For: 1.0.7
>
> Attachments: cassandra-1.0-3544.txt
>
>
> If the directories used by cassandra for data, commitlog, and saved caches
> aren't readable due to permissions, you get an NPE on startup. In
> particular, if none of them are readable, you'll see something like this:
> {noformat}
> ERROR 14:50:11,945 Exception encountered during startup
> java.lang.NullPointerException
> at
> org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:391)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:147)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:337)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:107)
> java.lang.NullPointerException
> at
> org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:391)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:147)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:337)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:107)
> Exception encountered during startup: null
> {noformat}
> This traceback happens when the saved_caches directory isn't readable, but
> you can get different ones if only the data or commitlog directories aren't
> readable.
> We should check the permissions of these directories before trying to list
> their contents.
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