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Article - CS315743

"PKIX path building failed" is seen when trying to register or use Solution Central functionality on ThingWorx Platform

Modified: 10-Dec-2025   


Applies To

  • ThingWorx Platform 8.5 to 10.0
  • ThingWorx Solution Central 8.5

Description

  • ThingWorx instance registration on Solution Central fails with error PKIX path building failed
  • Cannot register ThingWorx Platform to Solution Central
  • Trying to access Deployment Requests, Your Solutions or PTC Solutions option under Manage within ThingWorx Composer returns a PKIX path building failed error
  • Cannot access any option under the Manage > Solution Central section in Composer
  • Trying to use Solution Central functions with Composer but they are now failing to load
    • Solution Central was working previously
  • Unable to register ThingWorx instance on Solution Central with error in Composer: 
    Unable to execute service RegisterOrUpdateInstance on SolutionCentralSubsystem : Interaction with Solution Central failed, check logs for details.
User-added image
  • The following messages are logged within <ThingworxStorage>\logs
    • ApplicationLog.log 
      [L: ERROR] [O: c.t.s.s.s.SolutionCentralSubsystem] [I: ] [U: Administrator] [S: ] [P: ] [T: http-nio-8080-exec-5] Failed to execute HTTP POST on https://sc.thingworx.com/api/register, Reason : PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
[L: ERROR] [O: c.t.s.s.s.SolutionCentralSubsystem] [I: ] [U: Administrator] [S: ] [P: ] [T: http-nio-8080-exec-5] Setting isEnabled to false due to exception encountered while trying to register with SolutionCentral : Interaction with Solution Central failed, check logs for details.
[L: ERROR] [O: c.t.w.Subsystems] [I: ] [U: Administrator] [S: ] [P: ] [T: http-nio-8080-exec-5] Unable to Invoke Service RegisterOrUpdateInstance on SolutionCentralSubsystem : Interaction with Solution Central failed, check logs for details.
    • ErrorLog.log 
      [L: ERROR] [O: E.c.q.l.c.Logger] [I: ] [U: wcadmin] [S: ] [P: ] [T: https-openssl-nio-8443-exec-5] Failed to execute HTTP POST on https://sc.thingworx.com/api/register, Reason : sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
[L: ERROR] [O: E.c.q.l.c.Logger] [I: ] [U: wcadmin] [S: ] [P: ] [T: https-openssl-nio-8443-exec-5] Got exception while executing RegisterOrUpdateInstance service : Interaction with Solution Central failed, check logs for details.
[L: ERROR] [O: E.c.q.l.c.Logger] [I: ] [U: wcadmin] [S: ] [P: ] [T: https-openssl-nio-8443-exec-5] java.lang.Exception: Interaction with Solution Central failed, check logs for details.__    at com.thingworx.system.subsystems.solutioncentral.SolutionCentralSubsystem.makeSolutionCentralApiCall(SolutionCentralSubsystem.java:199)__    at com.thingworx.system.subsystems.solutioncentral.SolutionCentralSubsystem.registerInstance(SolutionCentralSubsystem.java:728)__    at com.thingworx.system.subsystems.solutioncentral.SolutionCentralSubsystem.RegisterOrUpdateInstance(SolutionCentralSubsystem.java:453)__    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)__
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