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https://issues.apache.org/jira/browse/OFBIZ-12016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17428179#comment-17428179
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Jacques Le Roux commented on OFBIZ-12016:
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Ah right, the commits in R18 and R17 are different than in trunk, did not
remember that. Note though that current code in R18 has changed since this
commit (did not check R17, but I guess it's the same).
Also the code of SafeObjectInputStream is the same in trunk and R18. It's not
the case for UtilObject. Since I'm implied, for consistency sake and a bit
peace of mind, I'll check why before confirming about the removal of fileItems
in RequestHandler (which is safe anyway).
> DiskFileItem as request attribute creates problems
> --------------------------------------------------
>
> Key: OFBIZ-12016
> URL: https://issues.apache.org/jira/browse/OFBIZ-12016
> Project: OFBiz
> Issue Type: Bug
> Affects Versions: 18.12.01, Trunk
> Reporter: Sebastian Berg
> Assignee: Jacques Le Roux
> Priority: Major
> Fix For: Upcoming Branch
>
>
> Hi,
> while working on a custom project based on the 18.12.01 version, I noticed a
> problem with the request handling during a request-redirect-noparam if a
> DiskFileItem was involved.
> So the situation for me is as follows: during the first request a file is
> uploaded. I choose a wrong format on purpose, which results in an error
> respond for that event. Nevertheless the DiskFileItem is set as request
> attribute together with the error message.
> The request is finished and based on the controller configurations redirected
> to a second request.
> While handling the second request the previous request's attributes get
> restored (RequestHandler.java line 733ff). This goes down into
> SafeObjectInfo.resolveClass() where an Incompatible class exception is
> thrown. I compared my custom project with the current development status and
> worked in the changes from commit 3f60efb343a11723aa56c1bc1f5afac3a2f26e9f in
> OFBIZ-10837.
> While this fixes the issue with the incompatible class exception it also
> makes it impossible to retrieve any attributes from the first request.
> Therefore my error message cannot be shown.
> Is there a way to fix it or is it otherwise necessary to always set
> "fileItems" as request attribute as added in -OFBIZ-11246-?
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