[jira] [Updated] (ISIS-1873) Resilience: if hideXxx, disableXxx or validateXxx method throws NPE, then assume veto and log a WARNing.

["Daniel Keir Haywood (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Keir Haywood updated ISIS-1873:
--------------------------------------
    Component/s: Isis Core

> Resilience: if hideXxx, disableXxx or validateXxx method throws NPE, then assume veto and log a WARNing.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: ISIS-1873
>                 URL: https://issues.apache.org/jira/browse/ISIS-1873
>             Project: Isis
>          Issue Type: Improvement
>          Components: Isis Core
>    Affects Versions: 1.16.1
>            Reporter: Daniel Keir Haywood
>            Priority: Major
>             Fix For: 2.0.0
>
>
> Currently the framework doesn't degrade gracefully.
> For example, had a coding error in a hideXxx() method.
> This resulted in the error page, rather than simply hide the relevant member.
> {code:java}
> org.eclipse.jetty.util.thread.QueuedThreadPool#runJob(QueuedThreadPool.java:672)
> org.eclipse.jetty.util.thread.QueuedThreadPool$2#run(QueuedThreadPool.java:590)
> java.lang.Thread#run(Thread.java:745)
> Caused by:
> java.lang.NullPointerException
> org.isisaddons.module.command.dom.CommandJdo#hideReplayStateFailureReason(CommandJdo.java:386)
> sun.reflect.NativeMethodAccessorImpl#invoke0(NativeMethodAccessorImpl.java:-2)
> sun.reflect.NativeMethodAccessorImpl#invoke(NativeMethodAccessorImpl.java:62)
> sun.reflect.DelegatingMethodAccessorImpl#invoke(DelegatingMethodAccessorImpl.java:43)
> java.lang.reflect.Method#invoke(Method.java:498)
> org.apache.isis.core.commons.lang.MethodExtensions#invoke(MethodExtensions.java:53)
> org.apache.isis.core.metamodel.adapter.ObjectAdapter$InvokeUtils#invoke(ObjectAdapter.java:38{code}



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