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https://issues.apache.org/jira/browse/ISIS-641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867974#comment-13867974
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ASF subversion and git services commented on ISIS-641:
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Commit a083356059f2511d27e0ed3c4560e0cf04e64637 in branch refs/heads/master
from [~danhaywood]
[ https://git-wip-us.apache.org/repos/asf?p=isis.git;h=a083356 ]
ISIS-641: allow actions to return objects of type java.util.Collection ...
... not just java.util.List.
> Incompatibility of TreeSet for @Bulk.
> --------------------------------------
>
> Key: ISIS-641
> URL: https://issues.apache.org/jira/browse/ISIS-641
> Project: Isis
> Issue Type: Bug
> Components: Core
> Affects Versions: core-1.3.0
> Reporter: Deepak Krishnan
> Assignee: Dan Haywood
> Fix For: core-1.4.0
>
>
> Incompatibility of TreeSet for @Bulk.
> ActionPanel assumes that standalone lists are of type of type java.util.List.
> Trying to do a bulk delete operation on a treeset of an entity throws an
> class cast exception
> java.util.TreeSet cannot be cast to java.util.List
> org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel$ResultType#asList(ActionPanel.java:460)
> org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel$ResultType#determineFor(ActionPanel.java:446)
> org.apache.is
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