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https://issues.apache.org/jira/browse/CASSANDRA-7582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14077776#comment-14077776
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Jonathan Ellis commented on CASSANDRA-7582:
-------------------------------------------
bq. We can add some explanation in the error message, suggesting that in the
event of power failure it is safe to ignore these errors
This is a nonstarter for me. Power failures happen; forcing people to
troubleshoot a non-bug as if it were a potential bug is a terrible plan. So
I'm back to the "opt in for tests" idea.
bq. What hole are we talking about?
The hole where dropped tables aren't remembered but are in the CL on upgrade,
as in this ticket.
> 2.1 multi-dc upgrade errors
> ---------------------------
>
> Key: CASSANDRA-7582
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7582
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Ryan McGuire
> Assignee: Benedict
> Priority: Critical
> Fix For: 2.1.1
>
>
> Multi-dc upgrade [was working from 2.0 -> 2.1 fairly
> recently|http://cassci.datastax.com/job/cassandra_upgrade_dtest/55/testReport/upgrade_through_versions_test/TestUpgrade_from_cassandra_2_0_latest_tag_to_cassandra_2_1_HEAD/],
> but is currently failing.
> Running
> upgrade_through_versions_test.py:TestUpgrade_from_cassandra_2_0_HEAD_to_cassandra_2_1_HEAD.bootstrap_multidc_test
> I get the following errors when starting 2.1 upgraded from 2.0:
> {code}
> ERROR [main] 2014-07-21 23:54:20,862 CommitLog.java:143 - Commit log replay
> failed due to replaying a mutation for a missing table. This error can be
> ignored by providing -Dcassandra.commitlog.stop_on_missing_tables=false on
> the command line
> ERROR [main] 2014-07-21 23:54:20,869 CassandraDaemon.java:474 - Exception
> encountered during startup
> java.lang.RuntimeException:
> org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't find
> cfId=a1b676f3-0c5d-3276-bfd5-07cf43397004
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:300)
> [main/:na]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:457)
> [main/:na]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:546)
> [main/:na]
> Caused by: org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't
> find cfId=a1b676f3-0c5d-3276-bfd5-07cf43397004
> at
> org.apache.cassandra.db.ColumnFamilySerializer.deserializeCfId(ColumnFamilySerializer.java:164)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:97)
> ~[main/:na]
> at
> org.apache.cassandra.db.Mutation$MutationSerializer.deserializeOneCf(Mutation.java:353)
> ~[main/:na]
> at
> org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:333)
> ~[main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:365)
> ~[main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:98)
> ~[main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:137)
> ~[main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:115)
> ~[main/:na]
> {code}
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