LinkedMultiValueMap should allow for deep copy of List values [SPR-13201]

[spring-projects-issues]

Juergen Hoeller opened SPR-13201 and commented

LinkedMultiValueMap's copy constructor takes a shallow copy of the given Map, reusing the List values there. In order to fix #17777 but also generally, we should allow for taking a deep copy as well.

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Issue Links:

• ConcurrentModificationException when calling SimpMessagingTemplate.convertAndSend [SPR-13185] #17777 ConcurrentModificationException when calling SimpMessagingTemplate.convertAndSend

Referenced from: commits df8e963

[spring-projects-issues]

Juergen Hoeller commented

I've added public clone() and deepCopy methods to LinkedMultiValueMap as of 4.2, applied within DefaultSubscriptionRegistry but also available for any other use.

Juergen