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https://issues.apache.org/jira/browse/CASSANDRA-11618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylvain Lebresne updated CASSANDRA-11618:
-----------------------------------------
Assignee: Alex Petrov
> Removing an element from map<any type, tinyint/smallint> corrupts commitlog
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-11618
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11618
> Project: Cassandra
> Issue Type: Bug
> Components: Local Write-Read Paths
> Environment: Fully updated CentOS 7.2 64-bit (ami-1f5dfe6c: "CentOS
> 7.2 x86_64 with cloud-init (HVM)") on Amazon's eu-west-1c t2.micro + OpenJDK
> 1.8.0_77
> Arch Linux 32-bit + OpenJDK 8.u77-1
> Reporter: Artem Chudinov
> Assignee: Alex Petrov
> Priority: Critical
> Labels: commitlog, regression, serializers
> Fix For: 3.5, 3.6, 3.0.6
>
> Attachments: cassandra-trunk-0541597e7-failedlaunch.log,
> cassandra-trunk-0541597e7-mutation279088679553718337dat
>
>
> 2.2.6 has no this bug.
> I've tried 3.0 alpha 1, 3.0 beta 1, 3.0 beta 2, 3.0.0, 3.0.6, 3.5,
> datastax-ddc 3.5.0 (from repo), and trunk (3.6) - all of them have this bug.
> I've found that the error is thrown since
> d12d2d496540c698f30e9b528b66e8f6636842d3, which is included in 3.0 beta 1
> (but *not* in the alpha 1).
> Cassandra 3.0 alpha 1 does not throw the error, but forgets about the changes
> after shutting down.
> Only after rm ./data/commitlog/* , Cassandra starts fine.
> By the way, map<int, boolean> works fine.
> Steps to reproduce:
> {code}
> $ ant build
> $ ./bin/cassandra
> $ ./bin/cqlsh
> {code}
> {code:sql}
> CREATE KEYSPACE bugs
> WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}
> AND durable_writes = true;
> CREATE TABLE bugs.bug1 (
> id int,
> m map<int, tinyint or smallint>, -- key can be any type
> PRIMARY KEY (id)
> );
> INSERT INTO bugs.bug1 (id, m) VALUES (1, {0: 4, 4: 3});
> UPDATE bugs.bug1 SET m[0]=NULL WHERE id=1;
> -- and/or UPDATE bugs.bug1 SET m[1]=NULL WHERE id=1;
> SELECT * FROM bugs.bug1;
> {code}
> {code}
> id | m
> ----+--------
> 1 | {4: 3}
> (1 rows)
> {code}
> {code}
> $ ./bin/nodetool stopdaemon
> $ ./bin/cassandra
> {code}
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