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POSet jna library path for an applet
 

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  1. POSet jna library path for an applet
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    <p>I am trying to run a unsigned applet jar locally. It uses several jar dependencies and some of those need native dlls. But I do not know how to point those dlls from the applet when deploying it on a browser. When running using eclipse applet viewer I have set, <code>System.setProperty("jna.library.path", "&lt;path&gt;");</code> And it worked fine.</p> <p>But when I deploy same on IE 10 it gives me the below exception</p> <pre><code> Caused by: java.security.AccessControlException: access denied ("java.util.PropertyPermission" "jna.library.path" "write") at java.security.AccessControlContext.checkPermission(Unknown Source) at java.security.AccessController.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPermission(Unknown Source) at sun.plugin2.applet.AWTAppletSecurityManager.checkPermission(Unknown Source) at java.lang.System.setProperty(Unknown Source) at com.neurotec.samples.SimpleFacesApplication.&lt;init&gt;(SimpleFacesApplication.java:88) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) </code></pre> <p>I want to know where to put those dlls when loading from a browser. Thanks in advance.</p> <hr> <p>UPDATE</p> <hr> <p>I have tried adding all the dlls to a new jar file called <code>nativelibs.jar</code> and added the entry <code>&lt;nativelib href="nativelibs.jar"/&gt;</code> to my applet JNLP file. But the issue is still remains same giving </p> <pre><code> java.lang.UnsatisfiedLinkError: Unable to load library 'NCore': The specified module could not be found. at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:194) at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:283) at com.neurotec.lang.NCore.&lt;clinit&gt;(NCore.java:104) </code></pre> <p>Now the resources tag of my JNLP file is like</p> <pre><code> &lt;resources&gt; &lt;!-- Application Resources --&gt; &lt;j2se version="1.7+" href="http://java.sun.com/products/autodl/j2se" /&gt; &lt;jar href="myApplet.jar" main="true" /&gt; &lt;nativelib href="nativelibs.jar"/&gt; &lt;/resources&gt; </code></pre> <p>Any body have an idea, what is my mistake?</p>
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    1. USDiluu
    1. USDiluu
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    1. COCheck out this question - http://stackoverflow.com/questions/6669617/adding-a-third-party-library-to-java-applet. Locally, if you are running localhost put them in the same directory as your html and applet files.
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      1. USVineet Kosaraju
    2. COYes I used the same for my Jar files and they works fine. But the problem is though I put dlls to the same directory it still gives the error `Caused by: java.lang.UnsatisfiedLinkError: Unable to load library 'NCore': The specified module could not be found. at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:194) at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:283) at com.neurotec.lang.NCore.<clinit>(NCore.java:104)`
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      1. USDiluu
    3. COPlease post your full JNLP file. Did you set the <security><all-permissions/></security> tag?
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      1. USLonzak
 

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