[SLING-10371] SlingAdaptable: ConcurrentModificationException on nested adaptTo() calls

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: API 2.23.4
• Fix Version/s: API 2.23.6
• Component/s: API
• Assignee: Joerg Hoh
• Reporter: Joerg Hoh
• Created: 11/May/21 11:28
• Updated: 25/May/21 19:18
• Resolved: 25/May/21 19:14

Description

I introduced a regression with SLING-10327, that nested adaptTo() calls on the same adaptable throw a ConcurrentModificationException.

java.util.ConcurrentModificationException
	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
	at org.apache.sling.api.adapter.SlingAdaptable.adaptTo(SlingAdaptable.java:104)
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.adaptTo(ResourceResolverImpl.java:636)

Reverting https://github.com/apache/sling-org-apache-sling-api/commit/eeb8f84f92a2f1bbfad236ba9dca9c15c2e837f3

Issue Links

• fixes: SLING-10327 SlingAdaptable: simplify getAdapter()