NX Controller Web Server Crash with Error java.lang.StackOverflowError
Escalation Article
Written by Richard Gregory
Updated at June 30th, 2026
Table of Contents
Brand:
- AMX
Affected Products:
- All NX Integrated Controllers
Summary:
In the NX Audit logs you will see on occasion (Exception in thread "Directory deployer" java.lang.StackOverflowError) this can also be followed a pend of the processor requiring a power cycle to restart the device.
Troubleshooting:
This was fixed in v1.8.203 or higher.
If updating to this or a later version you must factory reset the NX controller after the update otherwise, the old JVM parameters will still be used from the previous configuration file.