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Loop over new list to avoid ConcurrentModificationException in case a new hook is added while looping (#3233) 

Co-authored-by: juan.marchionatto <juan.marchionatto@smilecdr.com>
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jmarchionatto 2021-12-13 08:14:28 -05:00 committed by GitHub
parent 4075c003f7
commit d6e543a478
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1 changed files with 2 additions and 1 deletions
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hapi-fhir-base/src/main/java/ca/uhn/fhir/interceptor/executor/BaseInterceptorService.java
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@ -291,7 +291,8 @@ public abstract class BaseInterceptorService<POINTCUT extends IPointcut> impleme
}
private Object doCallHooks(POINTCUT thePointcut, HookParams theParams, Object theRetVal) {
List<BaseInvoker> invokers = getInvokersForPointcut(thePointcut);
// use new list for loop to avoid ConcurrentModificationException in case invoker gets added while looping
List<BaseInvoker> invokers = new ArrayList<>(getInvokersForPointcut(thePointcut));
/*
* Call each hook in order