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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-7582) 2.1 multi-dc upgrade errors
Date Mon, 28 Jul 2014 20:41:40 GMT


Jonathan Ellis commented on CASSANDRA-7582:

I'm skeptical.  Looking at the 2.0 changelog, we've fixed CASSANDRA-6652 and CASSANDRA-6714
since 2.0.0 final, and this wouldn't have helped catch those.

So, I'm not saying that ignoring errors is a Good Thing, but when there's more false positives
than true positives, users will learn to ignore it anyway and we're not actually helping anyone.

At the very least, this is demonstrably broken in 2.1.1 given this ticket right here.  So
I see two reasonable courses of action:

# remembering old cfids in 2.1.x, then we can get paranoid about seeing them in the CL for
# using the checks as a kind of assert that we enable for tests but not (without opt-in) for

I'm open to alternatives, but leaving things the way they are now is not one of them.

> 2.1 multi-dc upgrade errors
> ---------------------------
>                 Key: CASSANDRA-7582
>                 URL:
>             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|],
but is currently failing.
> Running
I get the following errors when starting 2.1 upgraded from 2.0:
> {code}
> ERROR [main] 2014-07-21 23:54:20,862 - 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 - 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(
>         at org.apache.cassandra.service.CassandraDaemon.activate(
>         at org.apache.cassandra.service.CassandraDaemon.main(
> Caused by: org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't find cfId=a1b676f3-0c5d-3276-bfd5-07cf43397004
>         at org.apache.cassandra.db.ColumnFamilySerializer.deserializeCfId(
>         at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(
>         at org.apache.cassandra.db.Mutation$MutationSerializer.deserializeOneCf(
>         at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(
>         at org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(
>         at org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(
>         at org.apache.cassandra.db.commitlog.CommitLog.recover( ~[main/:na]
>         at org.apache.cassandra.db.commitlog.CommitLog.recover( ~[main/:na]
> {code}

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