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Posted to commits@cassandra.apache.org by "Brandon Williams (Jira)" <ji...@apache.org> on 2021/09/09 21:56:00 UTC
[jira] [Updated] (CASSANDRA-16940) Confusing ProtocolException msg
Invalid or unsupported protocol version (4)
[ https://issues.apache.org/jira/browse/CASSANDRA-16940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brandon Williams updated CASSANDRA-16940:
-----------------------------------------
Bug Category: Parent values: Correctness(12982)
Complexity: Normal
Component/s: Messaging/Client
Discovered By: User Report
Severity: Normal
Status: Open (was: Triage Needed)
> Confusing ProtocolException msg Invalid or unsupported protocol version (4)
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-16940
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16940
> Project: Cassandra
> Issue Type: Bug
> Components: Messaging/Client
> Reporter: Brad Schoening
> Priority: Normal
>
> The following warning was seen frequently after upgrading from 3.0.x to 3.11.11 in the cassandra.log:
> {noformat}
> ProtocolException: Invalid or unsupported protocol version (4); supported versions are (3/v3, 4/v4, 5/v5-beta){noformat}
> It is at best unclear, or maybe a bug in the code throwing this exception stating version '4' not supported but 4/v4 is.
> from org/apache/cassandra/transport/ProtocolVersion.java
> public static String invalidVersionMessage(int version) {
> return String.format("Invalid or unsupported protocol version (%d); supported versions are (%s)", version, String.join(", ", ProtocolVersion.supportedVersions()));
> }
> We later found invalid IP addresses in the system.peer table and once removed, this exception went away.
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