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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRMINA-822) Deserialising classes that do not implement Serializable fails
Date Thu, 17 Mar 2011 22:36:29 GMT

    [ https://issues.apache.org/jira/browse/DIRMINA-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13008194#comment-13008194
] 

Emmanuel Lecharny commented on DIRMINA-822:
-------------------------------------------

Ok, someone already proposed a patch 3 years ago, but it was for MINA 1.1.7, which is considered
as dead wood, thus it was never fixed in MINA 2 too.

I have applied the patch provided in DIRMINA-627 : http://svn.apache.org/viewvc?rev=1082736&view=rev

I'll build some jars and put them on my home page for those who want to test it.

> Deserialising classes that do not implement Serializable fails
> --------------------------------------------------------------
>
>                 Key: DIRMINA-822
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-822
>             Project: MINA
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.2
>            Reporter: Ulrich Kreher
>         Attachments: AbstractIoBuffer.patch
>
>
> AbstractIoBuffer uses ObjectStreamClass.lookup(Class) which returns null for classes
that do not implement Serializable. This in turn leads to a NullPointerException a few lines
below in resolveClass(ObjectStreamClass) where the ObjectStreamClass-parameter is null.
> Deserialising a non-serialisable class is completely legal, instances of such a class
will already fail to serialise so they will never get to deserialisation.
> Using ObjectStreamClass.lookupAny(Class) will solve this issue, but it is not available
before Java 6.

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