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Posted to issues@cxf.apache.org by "Daniel Kulp (JIRA)" <ji...@apache.org> on 2010/03/18 18:18:27 UTC
[jira] Resolved: (CXF-2720) MapType doesn't deserialize subclass
instances
[ https://issues.apache.org/jira/browse/CXF-2720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Kulp resolved CXF-2720.
------------------------------
Resolution: Fixed
Fix Version/s: 2.2.7
Assignee: Daniel Kulp
Patch applied. Thanks!
> MapType doesn't deserialize subclass instances
> ----------------------------------------------
>
> Key: CXF-2720
> URL: https://issues.apache.org/jira/browse/CXF-2720
> Project: CXF
> Issue Type: Bug
> Components: Aegis Databinding
> Affects Versions: 2.2.6
> Environment: All
> Reporter: Michael Berkowitz
> Assignee: Daniel Kulp
> Fix For: 2.2.7
>
> Attachments: MapType.java
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Given an object of type {{Map<TKey, TValue>}}, where, say, {{TValue}} is a base class extended by {{TValuePrime}}, when a serialized instance contains a value of type {{TValuePrime}}, *MapType* will try to deserialize it as a {{TValue}}, ignoring the fact that it's really an instance of {{TValuePrime}}. In many cases this will throw an exception when trying to _set_ a member that exists only in {{TValuePrime}}. (We have observed this for the value class, but it should be true of the key class as well).
> We have fixed this - as far as we can tell - by swiping code from *ArrayType*, which handles these things correctly. We're attaching our new version of *MapType.java*.
> Lacking a deep understand of the Aegis code, we did this by intuition and trial-and-error, so it may be inefficient or even technically incorrect, but so far it works for us. Please get this fix, or its functional equivalent, into the codebase.
> Thanks in advance.
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