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E1: JAS: Exception Occurs when Logging into the Web and/or Web Development Clients (Doc ID 649469.1)

Last updated on NOVEMBER 12, 2017

Applies to:

JD Edwards EnterpriseOne Tools - Version 8.98 and later
Information in this document applies to any platform.


Users are encountering an Unknown JAS Error issue when trying to sign in to the Web or Web Development clients . The corresponding error message found in the JAS.LOG is as follows:

09 Jul 2010 21:20:30,154 [SEVERE] - [JAS] Exception occurred in the JDESignon.jdeSignon() :BuildUserSession Failed. java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
at java.util.Vector.elementAt(Vector.javANSWER:431)
at com.jdedwards.jas.JDESignon.getRoleList(Unknown Source)
at com.jdedwards.jas.JDESignon.getRoleList(Unknown Source)
at com.jdedwards.jas.JDESignon.getEnvRoleList(Unknown Source)
at com.jdedwards.jas.JDESignon.isValidEnvRole(Unknown Source)
at com.jdedwards.jas.JDESignon.buildUserSession(Unknown Source)
at com.jdedwards.jas.JDESignon.buildUserSessionWithPass(Unknown Source)
at com.jdedwards.jas.JDESignon.jdeSignon(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.javANSWER:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke


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