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Article #22724

applet��ȫ���⣬���ӻԾ���ԣ�

#22724
From: sight
Date: Thu, 04 Sep 2003 08:16
51 lines
3937 bytes
����ͨ��applet����oracle��ݿ⣬�Ҳ������ϣ�˵��Ҫ����policy�ļ���������ͨ��
appletviewer�ǿ��Է�����ݿ�ģ�ֱ�ӵ��appet��html�ļ�Ҳ�ǿ���ͨ��applet����
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����java.security.AccessControlException: access denied (java.net.SocketPerm
ission zzw resolve)
    at 
java.security.AccessControlContext.checkPermission(AccessControlContext.
java:270)
    at 
java.security.AccessController.checkPermission(AccessController.java:401
)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:542)
    at java.lang.SecurityManager.checkConnect(SecurityManager.java:1042)
    at java.net.InetAddress.getAllByName0(InetAddress.java:909)
    at java.net.InetAddress.getAllByName0(InetAddress.java:890)
    at java.net.InetAddress.getAllByName(InetAddress.java:884)
    at java.net.InetAddress.getByName(InetAddress.java:814)
    at java.net.InetSocketAddress.<init>(InetSocketAddress.java:109)
    at java.net.Socket.<init>(Socket.java:118)
    at oracle.net.nt.TcpNTAdapter.connect(Unknown Source)
    at oracle.net.nt.ConnOption.connect(Unknown Source)
    at oracle.net.nt.ConnStrategy.execute(Unknown Source)
    at oracle.net.resolver.AddrResolution.resolveAndExecute(Unknown Source)
    at oracle.net.ns.NSProtocol.establishConnection(Unknown Source)
    at oracle.net.ns.NSProtocol.connect(Unknown Source)
    at oracle.jdbc.ttc7.TTC7Protocol.connect(TTC7Protocol.java:1258)
    at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:215)
    at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:307)
    at 
oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:
442)
    at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:321)
    at java.sql.DriverManager.getConnection(DriverManager.java:512)
    at java.sql.DriverManager.getConnection(DriverManager.java:171)
    ............................
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policy�ļ���������õ���C:\Program Files\Java\j2re1.4.0_02\lib\securityĿ¼��

��java.policy�ļ���������ͨ��policytool�޸���C:\Program Files\Java\j2re1.4.0
_02\lib\securityĿ¼�µ�java.policy�ļ���������������䣺
grant codeBase "file:/D:/jakarta-tomcat-3.2.3/webapps/ROOT" {
  permission java.security.AllPermission;
  permission java.net.NetPermission "setDefaultAuthenticator";
  permission java.net.SocketPermission "zzw:1521", "accept, connect, listen,
 resolve";
};
/D:/jakarta-tomcat-3.2.3/webapps/ROOT/���ҵ�applet��jar�ļ����Ŀ¼
����zzw:1521:ddg���ҵ���ݿ���ʵ�url,��ϧ���Dz��ܷ��ʣ�����ֲ��ߴͽ̣�
 
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From: baosteel.bbs@bbs.sjtu.edu.cn (sight)
Newsgroups: cn.bbs.comp.lang.java
Subject: applet��ȫ���⣬���ӻԾ���ԣ�
Date: 04 Sep 2003 08:16:49 GMT
Organization: ��ˮ˼Դ
Message-ID: <488fKI$AGK@bbs.sjtu.edu.cn>
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