trivial

Author: xuesenliang

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/SocketIOWithTimeout.java

@@ -390,7 +390,7 @@ private static SelectorInfo get(SelectableChannel channel) throws IOException {
       ConcurrentLinkedDeque<SelectorInfo> selectorQ = providerMap.computeIfAbsent(
           provider, k -> new ConcurrentLinkedDeque<>());
 
-      SelectorInfo selInfo = selectorQ.removeLast(); // last in first out
+      SelectorInfo selInfo = selectorQ.pollLast(); // last in first out
       if (selInfo == null) {
         Selector selector = provider.openSelector();
         // selInfo will be put into selectorQ after `#release()`