【问题标题】:Missing required Permissions manifest attribute in Main JAR主 JAR 中缺少必需的权限清单属性
【发布时间】:2014-08-29 09:38:36
【问题描述】:

当我想在服务器上加载一个小程序时,浏览器显示:

java.lang.SecurityException: Missing required Permissions manifest attribute in main jar: http://<my server>:9080/ram7.5.2.1/applets/lifecycle.jar
    at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source)
    at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager.isAppletTrusted(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:795)
Ignored exception: java.lang.SecurityException: Missing required Permissions manifest attribute in main jar: http://<my server>:9080/ram7.5.2.1/applets/lifecycle.jar

但问题是我已经把属性放在清单文件中了,像这样:

Manifest-Version: 1.0
Created-By: 1.6.0 
Permissions: all-permissions
Application-Library-Allowable-Codebase: *
Application-Name: SearchApplet
Caller-Allowable-Codebase: *

我不想更改 Java 安全级别或将该站点放入例外站点列表中。

【问题讨论】:

    标签: java security applet manifest


    【解决方案1】:

    问题解决了。 应该先将标签添加到清单文件中,还应该将标签添加到html标签中。

    【讨论】:

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