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Bug
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Resolution: Fixed
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P4
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17, 20, 21
Created for https://github.com/openjdk/jdk/pull/11679
NavigableMap m = Collections.synchronizedNavigableMap(new TreeMap());
NavigableMap m2 = m.subMap(foo, true, bar, false);
...
Set s2 = m2.keySet(); // Needn't be in synchronized block
...
synchronized (m) { // Synchronizing on m, not m2 or s2!
Iterator i = s.iterator(); // Must be in synchronized block
while (i.hasNext())
foo(i.next());
}
Should be
Iterator i = s2.iterator();
NavigableMap m = Collections.synchronizedNavigableMap(new TreeMap());
NavigableMap m2 = m.subMap(foo, true, bar, false);
...
Set s2 = m2.keySet(); // Needn't be in synchronized block
...
synchronized (m) { // Synchronizing on m, not m2 or s2!
Iterator i = s.iterator(); // Must be in synchronized block
while (i.hasNext())
foo(i.next());
}
Should be
Iterator i = s2.iterator();