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https://issues.apache.org/jira/browse/LUCENE-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652899#action_12652899
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Mark Miller commented on LUCENE-1473:
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bq. The "implements Serializeable" was added to support RemoteSearchable. If we
believe this creates a bug, then perhaps we should remove this and implement
RemoteSearchable in another way. As it stands, Lucene does not support Java
Serialization across Lucene versions. That seems to me more like a limitation
than a bug, no?
There will be complaints no matter what. GWT tried getting around people having
to implement Serializable by providing an interface with fewer promises:
isSerizable. Many complained right away, as they had other classes that perhaps
they where making Serializable simply for Apache XMLRpc or something. So now
you can use either Serializable or isSerialiazble.
Personally, I think its fine to do as we are. I'm not against supporting more
though.
If we choose not to go further (and from what I can tell that decision has
*not* yet been made yet, against or for) add to the javadocs about what we
support, as I don't think its a bug myself. The Serializable interface
indicates that the class and its subclasses will be Serializable, my reading of
the javadoc does not indicate what cross version compatibility must be
supported. I believe that is up to the implementor.
- Mark
> Implement Externalizable in main top level searcher classes
> -----------------------------------------------------------
>
> Key: LUCENE-1473
> URL: https://issues.apache.org/jira/browse/LUCENE-1473
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.4
> Reporter: Jason Rutherglen
> Priority: Minor
> Attachments: LUCENE-1473.patch
>
>
> To maintain serialization compatibility between Lucene versions, major
> classes can implement Externalizable. This will make Serialization faster
> due to no reflection required and maintain backwards compatibility.
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