Java Applet - "Block potentially unsafe components from being run?" message -

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this question has answer here:

since latest java update, 2 of applets displaying warning pop-up our users though both of jar files using signed. have verified signed using jarsigner -verify myjarfile.jar command. below popup message seeing...

enter image description here

my applet invokes c++ dll through jni. c++ dll invokes c# netmodule.

does know can popup go away? says application contains both signed , unsigned code, signing every java file (there 1) in jar file. there higher level of signing need do?

edit: occurring of latest java update. see quote below taken this page.

authors , vendors of applications deployed using either java applets or java web start technology – applications distributed end users @ runtime via web browser or network - should sign code using trusted certificate best user experience. specifically, java code executed within client’s browser prompt user. type of dialog messages presented depends upon risk factors like, code signed or unsigned, code requesting elevate privileges, jre above or below security baseline, etc. low risk scenarios present minimal dialog , include checkbox not display similar dialogs same vendor in future. higher risk scenarios, such running unsigned jars, require more user interaction given increased risk.

i figured out answer. did not have manifest file in eclipse project, created file called manifest.mf , put following code it.

manifest-version: 1.0 trusted-library: true

when building jar file in eclipse, on 3rd page, asks manifest file. believe defaults option 'create manifest file me', manifest file contains first line above. choose option says 'use existing manifest workspace', , choose manifest.mf file created. sign jar would.

it trusted-library attribute fixed problem. check out this page more information on attribute , other privileged code jar files.


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