Here you can find the source of closeUnmarshaller(Unmarshaller u)
public static void closeUnmarshaller(Unmarshaller u)
//package com.java2s; /**/* w w w . j a v a 2 s . c o m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.io.Closeable; import java.io.IOException; import javax.xml.bind.Unmarshaller; public class Main { public static void closeUnmarshaller(Unmarshaller u) { if (u instanceof Closeable) { //need to do this to clear the ThreadLocal cache //see https://java.net/jira/browse/JAXB-1000 try { ((Closeable) u).close(); } catch (IOException e) { //ignore } } } }