[ http://issues.apache.org/jira/browse/AXIS2-1047?page=all ]
Deepal Jayasinghe reassigned AXIS2-1047:
----------------------------------------
Assignee: Deepal Jayasinghe
> Axis2 deployment cannot support isolated classloading of the axis2 runtime
> against application code
> ---------------------------------------------------------------------------------------------------
>
> Key: AXIS2-1047
> URL: http://issues.apache.org/jira/browse/AXIS2-1047
> Project: Apache Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: deployment
> Affects Versions: 1.0
> Reporter: Raymond Feng
> Assigned To: Deepal Jayasinghe
>
> In most of the Axis2 code, thread context classloader (TCCL) is used to
> resolve class by name as follows.
> Class.forName(clasName, true,
> Thread.currentThread().getContextClassLoader());
> For example, AxisConfigBuilder uses it to resolve TransportReceiver and
> TransportSender. Please note the class can be suppiled by the application or
> by Axis2 (default).
> This approach works well in the following two cases:
> 1) The class is provided by the application and it's visible to the TCCL.
> 2) The class is provided by Axis2 and the axis2 is loaded by either the
> application classloader or any ancestor of the application classloader.
> We have a different use case. (similar as tomcat)
> 1) We load axis2 together with our library from an isolated classloader (CL1)
> 2) The application is running with its own classloader (TCCL=CL2)
> 3) CL2 cannot see classes in CL1
> As a result, we got a ClassCastException for the Transport receiver and
> sender even they are from the Axis2. Would it make sense to support this case
> using the following:
> Class cls = null;
> try{
> cls = Class.forName(clasName, true,
> Thread.currentThread().getContextClassLoader()); // Try the application class
> loader
> } catch (ClassNotFoundException e) {
> cls = Class.forName(className); // Try the axis2 classloader
> }
> Thanks,
> Raymond
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