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set 中存在 null 值导致序列化丢失分隔符 #4384

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cloudswindow opened this issue May 6, 2023 · 0 comments

cloudswindow commented May 6, 2023

Set<Long> a = new HashSet<>(); a.add(null); a.add(666L); log.info( JSON.toJSONString(a));
输出：[null666]

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