Article - CS235937
ThingWorx fails to start with "Connections could not be acquired from the underlying database" error logged in the Application Log
Modified: 30-Mar-2026
Applies To
- ThingWorx Platform 8.0 to 10.1
- Windchill Navigate (formerly ThingWorx Navigate) 8.5.0 to 8.5.8
- PostgreSQL
Description
- Following upgrade, ThingWorx fails to start
- ThingWorx not starting with
502 Bad Gatewayerror displayed on browser - ThingWorx fails to start after installation with empty page in browser
- Errors logged in \ThingworxStorage\logs\ApplicationLog.log:
[L: INFO] [O: c.t.p.p.PersistenceProvider] [I: ] [U: SuperUser] [S: ] [T: localhost-startStop-1] Connection ThingworxPersistenceProvider, type PostgresPersistenceProviderPackage stopped [L: WARN] [O: c.t.p.p.PersistenceProvider] [I: ] [U: SuperUser] [S: ] [T: localhost-startStop-1] Could not find persistenceProviderPackage PostgresPersistenceProviderPackage and thus could not stop data processing [L: ERROR] [O: c.t.s.ThingWorxBootstrapper] [I: ] [U: SuperUser] [S: ] [T: localhost-startStop-1] [message: Unable to initialize and start system: Connections could not be acquired from the underlying database!] [L: ERROR] [O: c.t.s.ThingWorxBootstrapper] [I: ] [U: SuperUser] [S: ] [T: localhost-startStop-1] *** Web Application STATE is being set to ERROR! ***
- licenseRequestFile.txt not created in \ThingworxPlatform folder
- Error logged in <tomcat_home>\logs\catalina.log:
java.io.IOException: error trying to initialize Platform storage [setting: /ThingworxStorage/database]
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