[CAUSEWAY-3113] Using OAuth2 leads to IndexOutOfBoundsException at Startup

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-M7
• Fix Version/s: 2.0.0-M8
• Component/s: Security Spring
• Assignee: Andi Huber
• Reporter: Jörg Rade
• Created: 04/Aug/22 15:57
• Updated: 23/Aug/22 12:58
• Resolved: 09/Aug/22 16:27

Description

I tried to follow https://isis.apache.org/security/2.0.0-M6/spring-oauth2/about.html and ended in an Exception at startup:

Caused by: java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
	at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) ~[?:?]
	at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) ~[?:?]
	at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) ~[?:?]
	at java.util.Objects.checkIndex(Objects.java:372) ~[?:?]
	at java.util.ArrayList.get(ArrayList.java:459) ~[?:?]
	at org.apache.isis.core.security.authorization.manager.AuthorizationManager$1.chooseFrom(AuthorizationManager.java:60) ~[isis-core-security-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
	at org.apache.isis.core.security.authorization.manager.AuthorizationManager.<init>(AuthorizationManager.java:63) ~[isis-core-security-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:211) ~[spring-beans-5.3.21.jar:5.3.21]
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:117) ~[spring-beans-5.3.21.jar:5.3.21]
	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:311) ~[spring-beans-5.3.21.jar:5.3.21]
	... 18 more

c.f.: https://the-asf.slack.com/archives/CFC42LWBV/p1659623443006099