Webcenter Content Applet issue after Java 1.7.0_51 upgrade Missing required Permissions manifest attribute in main jar /cs/common/idcapplet.jar_

Webcenter Content Applet issue after Java 1.7.0_51 upgrade Missing required Permissions manifest attribute in main jar /cs/common/idcapplet.jar_

After recently upgrading to Java 1.7.0_51, getting error as below when accessing Admin Applets after login to Webcenter Content Content Server /cs

Missing required Permissions manifest attribute in main jar:
http://localcontentserver/cs/common/idcapplet.jar?SHA-


Observed this issue on Webcenter Content 11.1.1.7 with MLR 3 applied on it. Only recent change Java 7 Update 51 applied.

Currently there is no patch available to fix this issue.

But you can try below work around:

- On your machine, run below:

C:\Program Files (x86)\Java\jre7\bin>javacpl.exe

- Once Java Control Panel loads, go to Security tab
- Set Security Level to High (Ignore if already set to High)
- In the Edit Site list, add the sites as below in the Exception List

https://virtualhost/cs/idcplg
http://hostname:port/cs/idcplg

Click add & ok.

- Access Admin Applets now & test if the issue is resolved.

Related:

Webcenter Content - Error:  Unable to start the application 'App Name'. Failed to initialize. Runtime error: java.security.AccessControlException: access denied ("java.util.PropertyPermission" "user.timezone" "write")