access denied ("java.net.SocketPermission" "localhost:1527" "listen,resolve")

在开启derby服务出现该错误(测试hibernate 连接数据库时 使用myeclipse2014自带的数据库--windows->show view->other->Myeclipse database->DB Browser)
1.
在
$JAVA_HOME/jre/lib/security/java.policy
添加到 grant {}
permission java.net.SocketPermission "localhost:1527", "listen,accept,connect,resolve"; 之后struts和hibernate连接 试着跑了一遍


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