@kumsath  I'm happy to see you resolved your issue. Please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future.    ... View more

@kumsath Yes, when i saw your post I started digging around too.  The issue here is number manipulation and type casting a "number" versus a "string". That easy gets complicated in attributes and with nifi expression language functions.   The solution i referenced would take the "number" and make a number in which the visual representation should then be correct.  Its worth a try since that execute script should be very easy to test.    The alternative is to do your "math" upstream or in an execute script processor not in updateattribute. ... View more

For Site to Site , NiFi nodes to which data needs to be send or received should be part of polices , proxy and  retrieve site-to-site details and send/receive  data  site-to-site. ... View more