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https://issues.apache.org/jira/browse/CASSANDRA-11820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15293810#comment-15293810
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Carl Yeksigian commented on CASSANDRA-11820:
--------------------------------------------
The EOF is because we are reading more data from the file than is there, since
we interpret the data as part of the length (and start reading the next
column). When I add another column, it will continue to read and not be able to
interpret the next columns data (I get an ArrayOutOfBoundsException).
After killing C*, it was in a bad state reading the mutation that was written
to the commitlog, so I had to remove the data; if I had left it long enough to
reclaim the commitlog, it could have restarted, even if we could not recover
that data.
> Altering a column's type causes EOF
> -----------------------------------
>
> Key: CASSANDRA-11820
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11820
> Project: Cassandra
> Issue Type: Bug
> Reporter: Carl Yeksigian
> Fix For: 3.0.x, 3.x
>
>
> While working on CASSANDRA-10309, I was testing altering columns' types. This
> series of operations fails:
> {code}
> CREATE TABLE test (a int PRIMARY KEY, b int)
> INSERT INTO test (a, b) VALUES (1, 1)
> ALTER TABLE test ALTER b TYPE BLOB
> SELECT * FROM test WHERE a = 1
> {code}
> Tried this on 3.0 and trunk, both fail.
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