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https://issues.apache.org/jira/browse/CASSANDRA-7582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076746#comment-14076746
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Benedict commented on CASSANDRA-7582:
-------------------------------------
What isn't a common production scenario? Commit Log bugs? We know there are
some still in 2.0. There are potentially some in 2.1 too, and we probably won't
spot them without something like this to help users know they encountered them
and report them. Optimizing != Correctness.
I am very negative on disabling this.
> 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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