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via javaquery.com by Unknown author, 1 year ago
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via Stack Overflow by qinghua
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java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)	at java.util.HashMap$EntryIterator.next(HashMap.java:1463)	at java.util.HashMap$EntryIterator.next(HashMap.java:1461)	at com.javaquery.collections.map.FailFastExample.main(FailFastExample.java:23)