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From "Detelin Yordanov (JIRA)" <>
Subject [jira] Created: (AXIS2-4493) Disengagement of module which is not globally engaged removes module's handlers from the global phase chain
Date Mon, 14 Sep 2009 11:16:58 GMT
Disengagement of module which is not globally engaged removes module's handlers from the global
phase chain

                 Key: AXIS2-4493
             Project: Axis 2.0 (Axis2)
          Issue Type: Bug
          Components: kernel
    Affects Versions: 1.5
         Environment: Tomcat  5.5.26, Axis2 war 1.4.1/1.5, Rampart 1.4
            Reporter: Detelin Yordanov

We have an Axis2 1.4.1 runtime, which has Rampart module deployed, but not globally engaged
(using the default axis2.xml from axis2.war)

We have two services, both of them are secured (Rampart is engaged for each service by using
<module ref="rampart"/> in services.xml). 

When Rampart is disengaged on one of the services, it happens that the Rampart handler is
removed from the security phase. This practically disables access to the other secured service,
since secured service requests are not handled by Rampart anymore (no handler in security
phase) and when attempting to invoke it, Axis2 throws a mustUnderstand check failed for the
security header:

[ERROR] Must Understand check failed for header
004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd : Security

We examined the module disengage logic, and it seems that the handler removal takes place
in AxisOperation#onDisengage(AxisModule module). The code there would remove module's handlers
from global chains if the module is not engaged on service nor on gloabal level. What is the
reason for this, and what if the module is engaged on another service (as in our case)?

I attach two simple services you can simulate this with. They are based on Rampart's Tomcat
policy sample, but are secured
with a simple Username supporting token.

Steps to simulate the problem:

1. Deploy both services to Axis2 1.4.1/1.5 webapp having Rampart deployed (but not engaged
in axis2.xml)
2. Using the web administration intefrace, disengage Rampart module on one of the services
3. Try to invoke the other service using the class (or by any other means)

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