解决Eclipse Access restriction:问题

今天在Linux下用eclipse 3.5开发Jpcap相关的程序,先试试官方的UdpSend.java能否跑起来。結果eclipse给出了
如下错误提示:

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   Access restriction: The type JpcapCaptor is not accessible due to restriction on required library /media/sda7/opt/jdk1.6.0_16/jre/lib/
ext/jpcap.jar

其实要解决它也很容易,在Window - Java - Compiler - Errors/Warnings界面的Deprecated and restricted API下。把Forbidden reference (access rules): 的规则由默认的Error改为Warning即可。