JDK1.8版本，maven3.33,編譯專案的時候，專案中xml檔案不會自動複製到target目錄下，在pom.xml檔案中</project>內新增以下內容就可以解決。

<build>
    	<finalName>jerseyDemo</finalName>
    	<plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding> 
                </configuration>
            </plugin>
        </plugins>
        <resources>
			<resource>  
                <directory>src/main/java</directory>  
                <includes>  
                    <include>**/*.properties</include>  
                    <include>**/*.xml</include>  
                </includes>  
                <!-- 是否替換資源中的屬性-->  
                <filtering>false</filtering>  
            </resource>
            <resource>  
                <directory>src/main/resources</directory>  
                    <includes> 
	                    <include>**/*.properties</include>  
	                    <include>**/*.xml</include> 
                    </includes>
                    <filtering>true</filtering>  
            </resource>  
		</resources>
  </build>