Stefania created CASSANDRA-13389:
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Summary: Possible NPE on upgrade to 3.0/3.X in case of IO errors
Key: CASSANDRA-13389
URL: https://issues.apache.org/jira/browse/CASSANDRA-13389
Project: Cassandra
Issue Type: Bug
Components: Lifecycle
Reporter: Stefania
Assignee: Stefania
Fix For: 3.0.x, 3.11.x
There is a NPE on upgrade to 3.0/3.X if a data directory contains directories
that generate IO errors, for example if the cassandra process does not have
permission to read them.
Here is the exception:
{code}
ERROR [main] 2017-03-06 16:41:30,678 CassandraDaemon.java:710 - Exception
encountered during startup
java.lang.NullPointerException: null
at org.apache.cassandra.io.util.FileUtils.delete(FileUtils.java:372)
~[cassandra-all-3.0.11.1564.jar:3.0.11.1564]
at
org.apache.cassandra.db.SystemKeyspace.migrateDataDirs(SystemKeyspace.java:1359)
~[cassandra-all-3.0.11.1564.jar:3.0.11.1564]
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:190)
~[cassandra-all-3.0.11.1564.jar:3.0.11.1564]
{code}
This is caused by {{File.listFiles()}}, which returns null in case of an IO
error.
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