[CAUSEWAY-1873] [JUnit] Resilience: if hideXxx, disableXxx or validateXxx method throws NPE, then assume veto and log a WARNing.

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.16.1
• Component/s: Core
• Labels: test-driven
• Assignee: Unassigned
• Reporter: Daniel Keir Haywood
• Created: 23/Feb/18 14:51
• Updated: 03/May/22 07:25

Description

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.

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