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POHow to avoid mixed code warning from third party lib loading binary resources?
 

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  1. POHow to avoid mixed code warning from third party lib loading binary resources?
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    <p>I'm working on an enormous applet, loads over 100 jars, 50 of which are third-party. All of them are signed and trusted.</p> <p>Unfortunately, one, openmap, loads binary files (shape and layer files). I cannot sign these files (AFAIK), because they aren't jars, don't have manifests, etc.</p> <p>Since the jar loads binary files, I get the mixed code warning when running. The only thing I've figured out to avoid this is to mark EVERY .jar as "Trusted-Library: true". Changing the manifest on all the .jars means that all the .jars have to be re-signed, which is a political problem.</p> <p>I know the dialog can be disabled in the java control panel. I'm looking for another workaround. Naively, I would like to be able to somehow mark openmap or my jar that uses it to be trusted (or whatever it takes) to load those files without the warning. I tried making openmap a trusted-library, that doesn't eliminate the error. If I try making my jar that uses openmap a trusted library, then I run into issues because my jar depends on yet other jars and the class definitions in my jar can't be loaded because those dependent classes are in another classloader.</p> <p>Edit:<br> This appears to trigger the dialog (Clicked "Yes, block potentially unsafe" to get this logging statement)</p> <blockquote> <p>security: resource name "http://localhost:8080/maps/politicalWorld/vmap_political_world/vmap_area_thin.shp" in <a href="http://localhost:8080/app/client-lib/" rel="nofollow">http://localhost:8080/app/client-lib/</a> : java.lang.SecurityException: trusted loader attempted to load sandboxed resource from <a href="http://localhost:8080/app/client-lib/" rel="nofollow">http://localhost:8080/app/client-lib/</a></p> </blockquote>
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    1. USSteve Jackson
    1. USSteve Jackson
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    1. CO*"Since the jar loads binary files, I get the mixed code warning when running."* The mixed code warning applies ***only*** to Jars. AFAIU the plug-in does not even check Zip files for sigs. any longer.
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      1. USAndrew Thompson
    2. CO@AndrewThompson I don't get the error when the jar is missing and it doesn't pop up until the map files are being loaded. It's entirely possible I'm missing something, but I'm at a loss to guess what it is. I have logging at level 5 - is there some way to see exactly what triggers the dialog?
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      1. USSteve Jackson
    3. CO@AndrewThompson I triggered a SecurityException by blocking the mixed code. Hopefully my edit helps explain the situation.
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