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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13443) V5 protocol flags decoding broken
Date Thu, 13 Apr 2017 07:14:41 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Stupp updated CASSANDRA-13443:
-------------------------------------
    Fix Version/s: 4.0
                   3.11.0

> V5 protocol flags decoding broken
> ---------------------------------
>
>                 Key: CASSANDRA-13443
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13443
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Robert Stupp
>            Assignee: Robert Stupp
>            Priority: Minor
>             Fix For: 3.11.0, 4.0
>
>
> Since native protocol version 5 we deserialize the flags in {{org.apache.cassandra.cql3.QueryOptions.Codec#decode}}
as follows:
> {code}
>             EnumSet<Flag> flags = Flag.deserialize(version.isGreaterOrEqualTo(ProtocolVersion.V5)
>                                                    ? (int)body.readUnsignedInt()
>                                                    : (int)body.readByte());
> {code}
> This works until the highest bit (0x80) is not used. {{readByte}} must be changed to
{{readUnsignedByte}}.



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