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https://issues.apache.org/jira/browse/CASSANDRA-10788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15035108#comment-15035108
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Stefania commented on CASSANDRA-10788:
--------------------------------------
This would happen if for some reason we have a file instead of a folder in the
keyspace folder. I reproduced it with a new unit test, we had a bug in our
directory filter. I've also added a couple more trace messages.
Patches and CI are here:
||3.0||3.1||trunk||
|[patch|https://github.com/stef1927/cassandra/commits/10788-3.0]|[patch|https://github.com/stef1927/cassandra/commits/10788-3.1]|[patch|https://github.com/stef1927/cassandra/commits/10788]|
|[testall|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-3.0-testall/]|[testall|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-3.1-testall/]|[testall|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-testall/]|
|[dtest|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-3.0-dtest/]|[dtest|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-3.1-dtest/]|[dtest|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10788-dtest/]|
> Upgrade from 2.2.1 to 3.0.0 fails with NullPointerException
> -----------------------------------------------------------
>
> Key: CASSANDRA-10788
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10788
> Project: Cassandra
> Issue Type: Bug
> Components: Lifecycle
> Reporter: Tomas Ramanauskas
> Assignee: Stefania
> Fix For: 3.0.x, 3.x
>
>
> I tried to upgrade Cassandra from 2.2.1 to 3.0.0, however, I get this error
> on startup after Cassandra 3.0 software was installed:
> {code}
> ERROR [main] 2015-11-30 15:44:50,164 CassandraDaemon.java:702 - Exception
> encountered during startup
> java.lang.NullPointerException: null
> at org.apache.cassandra.io.util.FileUtils.delete(FileUtils.java:374)
> ~[apache-cassandra-3.0.0.jar:3.0.0]
> at
> org.apache.cassandra.db.SystemKeyspace.migrateDataDirs(SystemKeyspace.java:1341)
> ~[apache-cassandra-3.0.0.jar:3.0.0]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:180)
> [apache-cassandra-3.0.0.jar:3.0.0]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:561)
> [apache-cassandra-3.0.0.jar:3.0.0]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:689)
> [apache-cassandra-3.0.0.jar:3.0.0]
> {code}
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