Issue Summary

Getting java error when launching the console to view VM from Oracle VM Manager. Unable to view the VM Console.

Error Description

java.lang.SecurityException: Missing required Permissions manifest attribute in main jar: https://vmmgr327.aclnz.com:7002/ovm/rasproxy/ovm_rasproxy-signed.jar

at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source)

at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source)

at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)

at com.sun.javaws.Launcher.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

Reason for Error

From Java 7 Update 51 onwards it automatically blocks the Java Applet from VM Manager probably due to its lower security

Resolution

1. Simply go to Control Panel > Programs > Java 

2. Security tab > lower the security to 'Medium'

3. The hit the button on the bottom right hand corder named 'Edit Site List' > add your VM Manager host site address. For example https://vmmgr.aclnz.com.

4. Hit the ok button.

5. Now go back to Oracle VM Manager and relaunch the VM's console. It should now open and ask you to accept a warning. Accept the warning and you will be able to view the VM Console then.

Environment

• Oracle VM Manager 3.2.x
• Oracle Linux 5.7