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https://issues.apache.org/jira/browse/CASSANDRA-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12995183#comment-12995183
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Jonathan Ellis commented on CASSANDRA-2174:
-------------------------------------------

We don't use ObjectInputStream for cache reads anymore, and we need to use BRAF 
to get the non-buffer-cache-clobbering effect on cache writes.

We don't care about 0.7.0 reading 0.7.1/2 caches, since we made the choice to 
allow 0.7.1 to write new-format data files (CASSANDRA-1555) which is a much 
bigger incompatibility.

If 0.7.1/2 can't read 0.7.0, then we goofed, but changing it back (breaking 
0.7.2 -> 0.7.3) seems like too late.

> saved caches written with BufferedRandomAccessFile cannot be read by 
> ObjectInputStream
> --------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2174
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2174
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.7.1
>            Reporter: Matthew F. Dennis
>            Assignee: Matthew F. Dennis
>             Fix For: 0.7.3
>
>         Attachments: 2174-cassandra-0.7.txt
>
>
> The CacheWriter is currently writing with BufferedRandomAccessFile which is 
> incompatible with ObjectInputStream resulting in stack traces about corrupted 
> stream headers when loading a saved cache.

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