February 5, 2016

SAP SUM does not launch due to java policy access denied errors

When running SUM application sometimes you could face the following error when trying to execute the application theough the browser:

Just click on details and you will find the most common problem is access denied due to java policy problems:

The solution consists in modifying the java.policy file located in C:\Program Files\Java\jre7\lib\security and/or the user profile folder by adding a line allowing the class that is getting denied:

Once you save the file just try to execute the JNLP again theough the browser and it should work.