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https://issues.apache.org/jira/browse/CASSANDRA-5221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571137#comment-13571137
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Vijay commented on CASSANDRA-5221:
----------------------------------
I think the problem here is that we have a race condition, System table was
truncated and hence the clustername is somehow gone.
Fix to this problem is to restore the system table from snapshot and restart
cp -Rf
/var/lib/cassandra/data/system/LocationInfo/snapshots/1360017134498-LocationInfo/system-LocationInfo-*
/var/lib/cassandra/data/system/LocationInfo/
Now another problem showed up, since peers table is new in 1.2 we didn't have
any data in it (when the startup was half way through.)
java.lang.AssertionError
at
org.apache.cassandra.locator.TokenMetadata.updateHostId(TokenMetadata.java:221)
at
org.apache.cassandra.service.StorageService.initServer(StorageService.java:451)
at
org.apache.cassandra.service.StorageService.initServer(StorageService.java:406)
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:282)
at
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:370)
at
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:413)
The fix was to remove the system/peers SST's and restart again.
> NPE while upgrading from 1.1 to 1.2
> -----------------------------------
>
> Key: CASSANDRA-5221
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5221
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.2.1
> Reporter: Vijay
>
> ERROR 00:29:25,208 Exception encountered during startup
> java.lang.NullPointerException
> at
> org.apache.cassandra.db.SystemTable.upgradeSystemData(SystemTable.java:161)
> at
> org.apache.cassandra.db.SystemTable.finishStartup(SystemTable.java:107)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:276)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:370)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:413)
> java.lang.NullPointerException
> at
> org.apache.cassandra.db.SystemTable.upgradeSystemData(SystemTable.java:161)
> at
> org.apache.cassandra.db.SystemTable.finishStartup(SystemTable.java:107)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:276)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:370)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:413)
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