Article - CS324394
"Multiple (2x) encoding detected in /Thingworx/<Path To Entity>" repeatedly logged in ThingWorx Platform
Modified: 05-Feb-2026
Applies To
- ThingWorx Platform 8.4 to 9.6
Description
- Error message:
Multiple (2x) encoding detected in /Thingworx/appears multiple times in ApplicationLog and ErrorLog - Multiple encoding is happening in ThingWorx Platform
- Browsing ThingWorx Composer leads to multiple error messages being logged
- Multiple IntrusionException alerts for one ThingWorx Platform
- Thingworx Docker Container keep having the Intrusion Exception error messages, need to know the root cause and how to fix it
- Seeing repeated IntrusionDetector and Encoder errors in ApplicationLog.log whenever a user logs in or access any entity in ThingWorx Composer
- One of the following messages repeats in ApplicationLog.log and ErrorLog.log located within <ThingworxStorage>\logs multiple times:
[L: ERROR] [O: IntrusionException] [I: ] [U: <User>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-<Thread>] [SECURITY FAILURE Anonymous:null@unknown -> /ExampleApplication/IntrusionException] INTRUSION - Multiple (2x) encoding detected in /Thingworx/<Path To Entity>
[L: ERROR] [O: IntrusionException] [I: ] [U: <User>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-<Thread>] [SECURITY FAILURE Anonymous:null@unknown -> /ExampleApplication/IntrusionException] INTRUSION - Multiple (3x) encoding detected in /Thingworx/<Path To Entity>
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