XMLBeans seems not to be able to access classes within .aar files when run
within an AXIS2 service.
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Key: AXIS2-2012
URL: https://issues.apache.org/jira/browse/AXIS2-2012
Project: Apache Axis 2.0 (Axis2)
Issue Type: Bug
Environment: XMLBeans 2.2.0
Apache Tomcat 5.5
Reporter: Severin Ecker
Priority: Minor
This is s a cross post from XMLBeans!
Since this problem only occurs when run within an AXIS2 environment/service i
thought it might be best to let you know this as well, since i can't say for
sure if there's a problem in AXIS2 and if so where.
In situations where, at runtime, a compiled schema for an XML element (XML type
name) is being looked for (this happens e.g. when the XmlObject.substitute()
operation is invoked) a resource is loaded via
Classloader.getResourceAsStream() (see SchemaTypeLoaderImpl.java)
The problem is, that the Classloader of the current thread
('Thread.currentThread.getContextClassLoader();) is used instead the
Classloader of an already loaded class (e.g.: classname.class.getClassLoader()).
This implementation works as long as it is not used within an AXIS2 service. In
this case all classes and resources are located in an .aar archive. At load
time this file is in the classpath and the XML-schemas and compiled classes are
found. But, later when a service operation is invoked, the classloader
retrieved with 'Thread.currentThread().getContextClassLoader() is of type
WebappClassLoader instead of
org.apache.xmlbeans.impl.schema.SchemaTypeLoaderImpl. And this
WebappClassLoader does NOT look within the .aar file for the schema, therefore
substitude does not have the correct types available at runtime.
Oh and, there is also no error message in this case stating that a class
couldn't be found/loaded!
Our workaround to this problem ATM is, setting the thread's contextClassLoader
to be the class loader of a class contained in our web application, first thing
each time an operation of our webservice is invoked. But a fix to this problem
would of course be highly appreciated!
ps.: I will also cross post this bugreport in XMLBeans.
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