我刚刚安装了 Maven，在构建 hello world 时，maven 不断向我请求许可，并显示以下消息：“小程序正在尝试访问文件的“存在”状态属性...”
看起来这不是一个很常见的问题。有什么办法可以给maven授予这些权限吗？
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building tms-server 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.3:resources (default-resources) @ tms-server ---
Current policy properties:
mmc.sess_pe_act.block_unsigned: false
window.num_max: 5
jscan.sess_applet_act.sig_trusted: pass
jscan.sess_applet_act.block_all: false
file.destructive.state: disabled
window.num_limited: true
jscan.sess_applet_act.unsigned: instrument
mmc.sess_pe_act.action: validate
jscan.session.daemon_protocol: http
file.read.state: disabled
mmc.sess_pe_act.block_invalid: true
mmc.sess_pe_act.block_blacklisted: false
jscan.session.policyname: QXBwbGV0L0FjdGl2ZVggU2VjdXJpdHkgR2xvYmFsIFBvbGljeSA=
net.bind_enable: false
mmc.sess_cab_act.block_unsigned: false
file.nondestructive.state: disabled
jscan.session.origin_uri:
http://repo.maven.apache.org/maven2/org/apache/maven/shared/maven-filtering/1.0-beta-2/maven-filtering-1.0-beta-2.jar
mmc.sess_cab_act.action: validate
net.connect_other: false
jscan.session.user_ipaddr: 10.109.50.50
jscan.sess_applet_act.sig_invalid: block
thread.thread_num_max: 8
mmc.sess_cab_act.block_invalid: true
jscan.sess_applet_act.sig_blacklisted: block
net.connect_src: true
thread.thread_num_limited: true
jscan.sess_applet_act.stub_out_blocked_applet: true
mmc.sess_cab_act.block_blacklisted: true
jscan.session.user_name: MTAuMTA5LjUwLjUw
thread.threadgroup_create: false
file.write.state: disabled
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
-->> returning Frame NULL
BaseDialog: owner frame is a java.awt.Frame
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.925s
[INFO] Finished at: Mon Mar 25 12:55:59 IST 2013
[INFO] Final Memory: 7M/74M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:2.3:resources (default-resources) on project tms-server:
Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.3:resources failed: The Applet is not allowed to access
the "exists" state attributes of file /root/tms-server/src/main/resources by IWSVA Javascan site policy. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
更新：这是我的 pom.xml，它直接来自 apache 的入门指南。
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>app</groupId>
<artifactId>tms-server</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>tms-server</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
It says,
不允许 Applet 访问“存在”状态属性
IWSA Javascan 站点的文件 /root/tms-server/src/main/resources
政策。
您使用的 jar 是通过 Trend Micro InterScan Web Security Suite/Appliance 代理从互联网下载的。该代理在您从互联网下载的所有 jar 中进行挂钩，以便当它们尝试访问文件时您会看到弹出的“Applet 警报”。
解决方案：
您有两个选择：
- 您可以下载存档的 jar 文件。所以他们不会受到影响
代理人。
- 您可以配置代理不修改下载的 jar 文件。
有另一个用户遇到了这个问题并解决了，我得到了这个答案here https://stackoverflow.com/questions/5862560/java-awt-headlessexception-in-spring-3-0-5/8038090#8038090
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