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http://stackoverflow.com/questions/11276668/mac-os-does-not-open-topcoder-arena-to-open上的同樣的問題，但我無法解決unsiged資源http://www.topcoder.com/contest/classes/7.0/log4j-1.2.17.jar的問題，即使我將它標記爲例外列表上的異常。java8u121無法打開topcoder競技場
JNLPException[category: 安全錯誤 : Exception: null : LaunchDesc:
<jnlp spec="1.0+" codebase="http://www.topcoder.com/contest/arena/" href="ContestAppletProd.jnlp">
<information>
<title>Competition Arena</title>
<vendor>TopCoder, Inc.</vendor>
<homepage href="http://www.topcoder.com"/>
<description>TopCoder Contest Arena</description>
<icon href="http://www.topcoder.com/images/favicon_new.gif"/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.6+" max-heap-size="128m"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/arena-client-7.1.3.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/basic_type_serialization-1.0.1.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/client-socket-1.1.1.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/concurrent-1.0.2.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/encoder-1.0.0.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/logging-1.1.0.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/arena-shared-7.5.6.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/client-common-1.2.0.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/compeng-common-1.2.4.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/custom-serialization-1.1.1.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/http-tunnel-client-1.1.0.jar"/>
<jar href="http://www.topcoder.com/contest/classes/7.0/log4j-1.2.17.jar"/>
</resources>
<application-desc main-class="com.topcoder.client.contestApplet.runner.generic">
<argument>www.topcoder.com</argument>
<argument>5001</argument>
<argument>http://tunnel1.topcoder.com/tunnel?dummy</argument>
<argument>TopCoder</argument>
</application-desc>
</jnlp> ]
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResourcesHelper(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResources(Unknown Source)
at com.sun.javaws.Launcher.prepareResources(Unknown Source)
at com.sun.javaws.Launcher.prepareAllResources(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Thread.java:745)