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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13443) V5 protocol flags decoding broken
Date Thu, 13 Apr 2017 07:06:41 GMT
Robert Stupp created CASSANDRA-13443:
----------------------------------------

             Summary: 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


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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