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https://issues.apache.org/jira/browse/CASSANDRA-11008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15139015#comment-15139015
]
Sylvain Lebresne commented on CASSANDRA-11008:
----------------------------------------------
We actually return {{null}} for {{ttl(mutation)}} if there is no TTL (we maybe
should return 0, and I think the main reason we don't is just that the code
involved in setting the value don't differentiate between the fact that the
column exist but has not TTL and the fact that the column itself is {{null}}; I
suppose we could fix it, though I don't know if it's worth bothering) so maybe
there was not TTL on that hint (not totally up to date as to whether that can
happen but I believe a user could configure it that way at least?).
> Null Pointer Exception when upgrading from 2.1.12 to 3.0.2
> ----------------------------------------------------------
>
> Key: CASSANDRA-11008
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11008
> Project: Cassandra
> Issue Type: Bug
> Environment: Ubuntu 12.04.5 LTS (GNU/Linux 3.13.0-44-generic x86_64)
> Reporter: Nimi Wariboko Jr.
> Assignee: Aleksey Yeschenko
>
> When upgrading a node from 2.1.12 to 3.0.2, I get a NPE during startup.
> {code}
> INFO [main] 2016-01-13 19:25:52,566 LegacyHintsMigrator.java:88 - Migrating
> legacy hints to new storage
> INFO [main] 2016-01-13 19:25:52,566 LegacyHintsMigrator.java:91 - Forcing a
> major compaction of system.hints table
> WARN [CompactionExecutor:2] 2016-01-13 19:26:05,372 BigTableWriter.java:171
> - Writing large partition system/hints:4dbdaab0-f52d-46db-9367-b350567c89b8
> (2548854721 bytes)
> INFO [main] 2016-01-13 19:26:05,528 LegacyHintsMigrator.java:95 - Writing
> legacy hints to the new storage
> ERROR [main] 2016-01-13 19:26:08,777 CassandraDaemon.java:690 - Exception
> encountered during startup
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.serializers.Int32Serializer.deserialize(Int32Serializer.java:31)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.serializers.Int32Serializer.deserialize(Int32Serializer.java:25)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.db.marshal.AbstractType.compose(AbstractType.java:114)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.cql3.UntypedResultSet$Row.getInt(UntypedResultSet.java:287)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.convertLegacyHint(LegacyHintsMigrator.java:197)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrateLegacyHintsInternal(LegacyHintsMigrator.java:175)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrateLegacyHints(LegacyHintsMigrator.java:158)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrateLegacyHints(LegacyHintsMigrator.java:151)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrateLegacyHints(LegacyHintsMigrator.java:142)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.lambda$migrateLegacyHints$201(LegacyHintsMigrator.java:128)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator$$Lambda$140/892745204.accept(Unknown
> Source) ~[na:na]
> at java.lang.Iterable.forEach(Iterable.java:75) ~[na:1.8.0_45]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrateLegacyHints(LegacyHintsMigrator.java:128)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.hints.LegacyHintsMigrator.migrate(LegacyHintsMigrator.java:96)
> ~[apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:294)
> [apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:549)
> [apache-cassandra-3.0.2.jar:3.0.2]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:677)
> [apache-cassandra-3.0.2.jar:3.0.2]
> INFO [main] 2016-01-13 19:29:10,940 YamlConfigurationLoader.java:92 -
> Loading settings from file:/etc/cassandra/cassandra.yaml
> {code}
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