I would like to add a mapping like Map<String, List<String>> attributes; I have used

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Asked: June 2, 20262026-06-02T15:00:33+00:00 2026-06-02T15:00:33+00:00

I would like to add a mapping like

Map<String, List<String>> attributes;

I have used already @MapKeyColumn for other situation, but here I do have a key/value table where a key might occur several time.

How would you solve this? Is there any (JPA built-in) solution for that kind of problem domain?

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Editorial Team · Answer 1 · 2026-06-02T15:00:36+00:00

Editorial Team

There is no direct way. You need to create a class to represent the association or perform some sort of conversion in get/set methods.

See,

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