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https://issues.apache.org/jira/browse/CASSANDRA-14365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984658#comment-16984658
]
Michael Semb Wever edited comment on CASSANDRA-14365 at 3/9/20, 2:33 PM:
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With new tests… (test against trunk also needed a rewrite bc
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|[cassandra_3.0_14365|https://github.com/apache/cassandra/compare/cassandra-3.0...thelastpickle:mck/cassandra-3.0_14365]|[circleci|https://circleci.com/gh/thelastpickle/workflows/cassandra/tree/mck%2Fcassandra-3.0_14365]|[!https://builds.apache.org/job/Cassandra-devbranch/41/badge/icon!|https://builds.apache.org/blue/organizations/jenkins/Cassandra-devbranch/detail/Cassandra-devbranch/41]|
|[cassandra_3.11_14365|https://github.com/apache/cassandra/compare/cassandra-3.11...thelastpickle:mck/cassandra-3.11_14365]|[circleci|https://circleci.com/gh/thelastpickle/workflows/cassandra/tree/mck%2Fcassandra-3.11_14365]|[!https://builds.apache.org/job/Cassandra-devbranch/42/badge/icon!|https://builds.apache.org/blue/organizations/jenkins/Cassandra-devbranch/detail/Cassandra-devbranch/42]|
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was (Author: michaelsembwever):
With new tests… (test against trunk also needed a rewrite bc
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> Commit log replay failure for static columns with collections in clustering
> keys
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-14365
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14365
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Core
> Reporter: Vincent White
> Assignee: Vincent White
> Priority: Normal
>
> In the old storage engine, static cells with a collection as part of the
> clustering key fail to validate because a 0 byte collection (like in the cell
> name of a static cell) isn't valid.
> To reproduce:
> 1.
> {code:java}
> CREATE TABLE test.x (
> id int,
> id2 frozen<map<text, text>>,
> st int static,
> PRIMARY KEY (id, id2)
> );
> INSERT INTO test.x (id, st) VALUES (1, 2);
> {code}
> 2.
> Kill the cassandra process
> 3.
> Restart cassandra to replay the commitlog
> Outcome:
> {noformat}
> ERROR [main] 2018-04-05 04:58:23,741 JVMStabilityInspector.java:99 - Exiting
> due to error while processing commit log during initialization.
> org.apache.cassandra.db.commitlog.CommitLogReplayer$CommitLogReplayException:
> Unexpected error deserializing mutation; saved to
> /tmp/mutation3825739904516830950dat. This may be caused by replaying a
> mutation against a table with the same name but incompatible schema.
> Exception follows: org.apache.cassandra.serializers.MarshalException: Not
> enough bytes to read a set
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.handleReplayError(CommitLogReplayer.java:638)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayMutation(CommitLogReplayer.java:565)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replaySyncSection(CommitLogReplayer.java:517)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:397)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:143)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:181)
> [main/:na]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:161)
> [main/:na]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:284)
> [main/:na]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:533)
> [main/:na]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:642)
> [main/:na]
> {noformat}
> I haven't investigated if there are other more subtle issues caused by these
> cells failing to validate other places in the code, but I believe the fix for
> this is to check for 0 byte length collections and accept them as valid as we
> do with other types.
> I haven't had a chance for any extensive testing but this naive patch seems
> to have the desired affect.
> ||Patch||
> |[2.2
> PoC|https://github.com/vincewhite/cassandra/commits/zero_length_collection]|
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