You can put sudo in front of the commands if you feel better about doing that. I suggest using ls -al to check the links). I do recommend you use the update-alternatives structures (be sure you know what you are doing before taking these steps. Now, you can fix the alternatives link (the quick-and-dirty way), so you can just type jcontrol and have it work. a) Go to Control panel open Java(Double click on the Java symbol. Java is a registered trademark of Oracle and/or its affiliates. b) If java is not installed properly you will get the below screen shot. So your command will be: # /usr/java/default/bin/jcontrol To open the JavaScript Console, press the ESC key on your keyboard. usr/bin/java -> /usr/java/default/bin/java You'll get something back like this: lrwxrwxrwx. This also assumes you have a working java installation (java -version returns something). revealProblems: Controls whether the Problems panel is revealed when running this task or not. Once you have found the file, select it and click Ok. Find the Java.exe file on your hard drive which is usually located within a subfolder under Program Files (x86)\Java folder or Program Files\Java folder. After repeated purging of all things java-related (especially the default-installed java), I've not taken the time to fix the "update alternatives" infrastructure, so that particular link to jcontrol is borked (that is, the answer above - "just type jcontrol in a terminal window" - does not work). Tip: You can run your task through Quick Open (Ctrl+P) by. Go to Browse for opening the File Explorer window. I see a Java control panel option 'Place Java icon in system tray' under the 'Miscellaneous' options. However, my Java icon doesn't show up in the system tray. New Edit: I got more explanatory stacktrace when I tried to run this jnlp from a jvm 1.6 machine as follows: : javax/ejb/EJBAccessExceptionĪt 0(Native Method)Īt (Unknown Source)Īt 0(Unknown Source)Īt (Unknown Source)Īt .executeApplication(Unknown Source)Īt .executeMainClass(Unknown Source)Ĭaused by: : Īt assumes you have installed java9 yourself (since the webupd8 PPA method is currently broken). To view the Java console, right click on the Java icon in the system tray (assuming you're using Windows) and choose 'Open console' - as pictured at the bottom of this page. I dont have any security restrictions for security on java control panel. You may change this behavior in the Java Control Panel.Īt .SandboxSecurity.showBlockedDialog(Unknown Source)Īt .antUnrestrictedAccess(Unknown Source)Īt .AppPolicy.addPermissions(Unknown Source)Īt .getTrustedCodeSources(Unknown Source)Īt .CPCallbackHandler$ParentCallback.strategy(Unknown Source)Īt .CPCallbackHandler$ParentCallback.openClassPathElement(Unknown Source)Īt .DeployURLClassPath$JarLoader.getJarFile(Unknown Source)Īt .DeployURLClassPath$JarLoader.access$1000(Unknown Source)Īt .DeployURLClassPath$JarLoader$1.run(Unknown Source)Īt .DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)Īt .DeployURLClassPath$JarLoader.(Unknown Source)Īt .DeployURLClassPath$3.run(Unknown Source)Īt .DeployURLClassPath.getLoader(Unknown Source)Īt .DeployURLClassPath.getResource(Unknown Source)Īt $1.run(Unknown Source)Īt (Unknown Source)Īt .findClass(Unknown Source)Īt (Unknown Source)Īt 1(Native Method)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt $100(Unknown Source)Īt .doLaunchApp(Unknown Source)Īt .run(Unknown Source)Ĭaused by: : Invalid Permissions value: all-permissionsĪt .DeployManifestChecker.verify(Unknown Source)
My JNLP File is like the following with some censored descriptions: ĪLso note that I get some different exception details on the more information panel: .BlockedException: The Java security settings have prevented this application from running. You may change this behavior in the Java Control Panel. # The Java security settings have prevented this application from running. When I start the application I get the following stack trace on Java Console: Exception in thread "AWT-EventQueue-1" Īt .DialogTemplate.imageAvailable(Unknown Source)Īt .DialogTemplate.finalImageAvailable(Unknown Source)Īt .ImageLoader$2.run(Unknown Source)Īt .dispatch(Unknown Source)Īt (Unknown Source)Īt $200(Unknown Source)Īt $3.run(Unknown Source)Īt (Native Method)Īt $1.doIntersectionPrivilege(Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Įxception in thread "AWT-EventQueue-1" I have an enterprise java application that has plenty of jars that are downloaded to the client's jvm cache by a jnlp file.
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