Article - CS255014
Error "Checking ThingWorx system JARS conflict(s) detected" when importing customized Extension in ThingWorx Platform
Modified: 09-Feb-2026
Applies To
- ThingWorx Platform 7.2 to 10.0
Description
- Unable to import the custom extension
- Error seen in ThingWorx application logs when importing customized extension:
[L: ERROR] JAR conflict Checking ThingWorx system JARS [existing: <JAR_file_name>, package: <JAR_file_name>] [L: ERROR] Checking ThingWorx system JARS conflict(s) detected [package: <extension_name>]. Check application log for details!
- How to resolve the
JARS conflict(s) detected errorwhen importing custom extension
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