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java - ConcurrentModificationException Map

Why i getting the ConcurrentModificationException. With this programming style it should not appear. Have i missing something? I can't find any solution to that problem. This code is called every second with @Scheduled in Spring.

 Iterator<Entry<String, Integer>> iterator = map.entrySet().iterator();
     while (iterator.hasNext()) {
        Entry<String, Integer> entry= iterator.next(); // this row throw the expection
        while (entry.getValue().compareTo(value) <= 0) {
        iterator.remove();
        }
      }
question from:https://stackoverflow.com/questions/65835612/concurrentmodificationexception-map

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