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POWhy does my applet get a java.security.AccessControlException: access denied (java.net.SocketPermission ...), and how can I avoid it?
 

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  1. POWhy does my applet get a java.security.AccessControlException: access denied (java.net.SocketPermission ...), and how can I avoid it?
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    <p>We are clueless about why my client is encountering a Java Security exception in Safari. Could anyone help?</p> <p>The exception occurs reliably in Safari on Windows. This involves a Java applet. The exception also occurs with Firefox and IE8 on Windows Vista.</p> <p>Here are the steps to reproduce:</p> <ol> <li><p>Open Safari on Windows</p></li> <li><p>Click here: <a href="http://www.cengraving.com/s/item?itemId=CH003" rel="noreferrer">http://www.cengraving.com/s/item?itemId=CH003</a></p></li> <li><p>Click "Customize" (at bottom of screen)</p></li> <li><p>After the "Instant Proof" page loads, click "Add to cart."</p></li> </ol> <p>Full stack trace:</p> <pre><code>java.security.AccessControlException: access denied (java.net.SocketPermission www.cengraving.com resolve) at java.security.AccessControlContext.checkPermission(Unknown Source) at java.security.AccessController.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPermission(Unknown Source) at java.lang.SecurityManager.checkConnect(Unknown Source) at sun.plugin.security.ActivatorSecurityManager.checkConnect(Unknown Source) at java.net.InetAddress.getAllByName0(Unknown Source) at java.net.InetAddress.getAllByName(Unknown Source) at java.net.InetAddress.getAllByName(Unknown Source) at java.net.InetAddress.getByName(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(Unknown Source) at com.designapplet.a.f.a(Unknown Source) at com.designapplet.ui.c.a(Unknown Source) at com.designapplet.ui.c.for(Unknown Source) at com.designapplet.ui.DesignApplet.buy(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.JSInvoke.invoke(Unknown Source) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.JSClassLoader.invoke(Unknown Source) at sun.plugin.liveconnect.PrivilegedCallMethodAction.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation.CallMethod(Unknown Source) java.net.MalformedURLException: no protocol: at java.net.URL.&lt;init&gt;(Unknown Source) at java.net.URL.&lt;init&gt;(Unknown Source) at java.net.URL.&lt;init&gt;(Unknown Source) at sun.plugin.liveconnect.SecureInvocation.checkLiveConnectCaller(Unknown Source) at sun.plugin.liveconnect.SecureInvocation.access$000(Unknown Source) at sun.plugin.liveconnect.SecureInvocation$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation.CallMethod(Unknown Source) java.net.MalformedURLException: no protocol: at java.net.URL.&lt;init&gt;(Unknown Source) at java.net.URL.&lt;init&gt;(Unknown Source) at java.net.URL.&lt;init&gt;(Unknown Source) at sun.plugin.liveconnect.SecureInvocation.checkLiveConnectCaller(Unknown Source) at sun.plugin.liveconnect.SecureInvocation.access$000(Unknown Source) at sun.plugin.liveconnect.SecureInvocation$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation.CallMethod(Unknown Source) </code></pre>
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    1. USPaŭlo Ebermann
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      1. POWhy does my applet get a java.security.AccessControlException: access denied (java.net.SocketPermission ...), and how can I avoid it?
      1. USSergey Tachenov
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    1. COSocket access from applets in general requires permissions. However, applets are allowed to "call home", connecting to the server they originated from - which seems to be your case. I didn't access the page, but from the stack trace it appears that the call originates from JavaScript. This means the JavaScript permissions further complicate the situation. This might be a Safari bug. You could try wrapping the Java applet code that opens a connection in a doPrivileged block, that might take care of the problem.
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      1. POWhy does my applet get a java.security.AccessControlException: access denied (java.net.SocketPermission ...), and how can I avoid it?
      1. USSami Koivu
    2. COThe exception also occurs with Firefox and IE8 on Windows Vista ... any clues?
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      1. USCrashalot
 

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