[CAUSEWAY-3674] [Wicket Viewer] Potential NPE in PendingParamsSnapshot

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Resolved
• Fix Version/s: 2.0.0
• Component/s: Viewer Wicket
• Assignee: Andi Huber
• Reporter: Andi Huber
• Created: 16/Jan/24 11:31
• Updated: 16/Jan/24 12:17
• Resolved: 16/Jan/24 12:17

Description

java.lang.NullPointerException: Cannot invoke 
    "org.apache.causeway.core.metamodel.interactions.managed.ParameterNegotiationModel.getParamCount()" 
    because "pendingParamsSnapshot.parameterNegotiationModel" is null
    at o.a.c.c.m.i.m.PendingParamsSnapshot$SerializationProxy.<init>(PendingParamsSnapshot.java:88)
    at o.a.c.c.m.i.m.PendingParamsSnapshot.writeReplace(PendingParamsSnapshot.java:70)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)  

Issue Links

• is broken by: CAUSEWAY-3663 [Wicket Viewer] Dependent arg is sensitive to what happens in other browser tab.
• links to: GitHub Pull Request #2165