Posted July 3, 2009 Get this error when trying to run Wurm - Failed to validate certificate. The application will not be executed. java.io.IOException: Invalid keystore format at sun.security.provider.JavaKeyStore.engineLoad(Unknown Source) at sun.security.provider.JavaKeyStore$JKS.engineLoad(Unknown Source) at java.security.KeyStore.load(Unknown Source) at com.sun.deploy.security.DeploySigningCertStore$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at com.sun.deploy.security.DeploySigningCertStore.loadCertStore(Unknown Source) at com.sun.deploy.security.DeploySigningCertStore.load(Unknown Source) at com.sun.deploy.security.DeploySigningCertStore.load(Unknown Source) at com.sun.deploy.security.ImmutableCertStore.load(Unknown Source) at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source) at com.sun.javaws.security.AppPolicy.grantUnrestrictedAccess(Unknown Source) at com.sun.javaws.LaunchDownload.checkSignedResourcesHelper(Unknown Source) at com.sun.javaws.LaunchDownload.checkSignedResources(Unknown Source) at com.sun.javaws.Launcher.prepareLaunchFile(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.launch(Unknown Source) at com.sun.javaws.Main.launchApp(Unknown Source) at com.sun.javaws.Main.continueInSecureThread(Unknown Source) at com.sun.javaws.Main$1.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Share this post Link to post Share on other sites
Posted July 3, 2009 I get the following error after updating to JDK6U14: Unable to launch application: Error: JAR resources in JNLP file are not signed by same certificate Edit: removing the java cache seems to have worked. Share this post Link to post Share on other sites
Posted July 3, 2009 Removing C:\Users\<username>\AppData\LocalLow\Sun\Java\Deployment\security\trusted.certs seems to have done the job. That's on Vista, no idea on other OSes Share this post Link to post Share on other sites
Posted July 4, 2009 Removing C:\Users\<username>\AppData\LocalLow\Sun\Java\Deployment\security\trusted.certs seems to have done the job. That's on Vista, no idea on other OSes Share this post Link to post Share on other sites