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https://issues.apache.org/jira/browse/ISIS-3068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17545576#comment-17545576
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ASF subversion and git services commented on ISIS-3068:
-------------------------------------------------------

Commit d4ebca07e99e982157bc67be3d10b47632db1286 in isis's branch 
refs/heads/master from Andi Huber
[ https://gitbox.apache.org/repos/asf?p=isis.git;h=d4ebca07e9 ]

ISIS-3068: if DomainObject's nature is no specified, consider what the
BeanTypeClassifier has come up with

> NPE because ObjectSpecification is of sort VIEW_MODEL but has no 
> ViewModelFacet
> -------------------------------------------------------------------------------
>
>                 Key: ISIS-3068
>                 URL: https://issues.apache.org/jira/browse/ISIS-3068
>             Project: Isis
>          Issue Type: Improvement
>          Components: Isis Core
>    Affects Versions: 2.0.0-M7
>            Reporter: Jörg Rade
>            Assignee: Andi Huber
>            Priority: Major
>             Fix For: 2.0.0-RC1
>
>         Attachments: NPE.txt
>
>
> I get a NPE in MangedObjects.refreshViewModel (viewModelFacet is null).
> C.f. https://the-asf.slack.com/archives/CFC42LWBV/p1654177074469069
> Comparisons (uppermost VM) calls a method in ConfigComparisons (another VM).
> {code:java}
> @DomainService(nature = NatureOfService.VIEW)
> @Named("knife.Comparisons")
> @RequiredArgsConstructor(onConstructor_ = {@Inject})
> public class Comparisons {
>     private final ReleaseComparisons releaseComparisons;
>     private final ConfigComparisons configComparisons;
> [...]
>  {code}
> {code:java}
> @DomainService(nature = NatureOfService.VIEW)
> @Named("knife.ConfigComparisons")
> @RequiredArgsConstructor(onConstructor_ = {@Inject})
> @Slf4j
> public class ConfigComparisons {
>     private final MessageService messageService;
>     private final Configurations configurations;
>     private final Stages stages;
>     private final com.kn.ife.Properties properties;
> [...]
> {code}
> {code:java}
> @DomainObject(logicalTypeName = "knife.ConfigComparison")
> public class ConfigComparison implements Comparable<ConfigComparison> {
> [...]
> {code}



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