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http://jira.magnolia-cms.com/browse/MGNLDATA-125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Milan Divilek updated MGNLDATA-125:
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Assignee: (was: Philipp Bärfuss)
> Missing adminInterface menu under certain condition.
> ----------------------------------------------------
>
> Key: MGNLDATA-125
> URL: http://jira.magnolia-cms.com/browse/MGNLDATA-125
> Project: Magnolia Data Module
> Issue Type: Bug
> Affects Versions: 1.6.3, 1.7.2
> Reporter: Danilo Ghirardelli
> Priority: Major
> Fix For: 1.6.x, 1.7.3
>
> Attachments: RootTypes.patch
>
>
> There is a problem that prevents to generate the data menu correctly in some
> cases, but I haven't yet found a way to always reproduce it, because it
> depends deeply on the order in which types are registered, which is not
> guaranteed.
> On my system, these steps will often lead to the problem, but not always:
> - create a new type named "z" (without quotes), with a base foder of "/z"
> - create a new subtype for "z", named "a" (without quotes), with the same
> base folder.
> - export the trees, type nodes and the dialogues for these new types. Do not
> export adminInterface/config/menu, because it is expected to be recreated if
> missing.
> - you may logout/login to check that the adminInterface menu was created
> correctly.
> - restart the webapp.
> You would expect that the adminInterface menu is created again correctly, but
> often it isn't.
> The problem lays in the DataModule class, lines 186-191:
> {code}
> if(!allRootPaths.contains(type.getRootPath())) {
> allRootPaths.add(type.getRootPath());
> // create rootPath and a menu entry for each if necessary
> createRootPath(type);
> updateDataMenu(type);
> }
> {code}
> If you check the code you'll see that "types" are considered all at the same
> level, because they are stored in a map. If for any reason a subtype is
> returned by the map before its parent, these lines will add the root path to
> the list, but the "updateDataMenu" will skip the menu creation because it is
> a subtype. When the type is returned by the map, the root path is already in
> the list and it's skipped, so the menu is not created.
> It's subtle but quite annoying, because there is no way to know which menu
> will be missing on various installations. Maybe it would be nice to either
> sort the map having types first, or add the rootPath to the list only if it's
> not a subtype.
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