windu failed with error
Caused by: java.lang.NullPointerException
at com.ptc.windchill.org.PrincipalValidator.isPrincipalInLDAP(PrincipalValidator.java:476)
at com.ptc.windchill.org.PrincipalValidator.checkPrincipalJndiAdaptersLinkages(PrincipalValidator.java:437)
at com.ptc.windchill.org.PrincipalValidator.runDiagnostics(PrincipalValidator.java:136)
... 29 more
