As soon as I add an argument of type java.lang.Throwable to one of
my service methods, I get an error upon activation:

WARNUNG: Exception while generating WSDL for CurrencyConverter/CurrencyConverter
14.09.2010 00:11:23 
org.apache.tuscany.sca.binding.ws.wsdlgen.BindingWSDLGenerator
SCHWERWIEGEND: Exception thrown was: org.osoa.sca.ServiceRuntimeException: 
com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 1 counts of 
IllegalAnnotationExceptions
java.lang.StackTraceElement does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.lang.StackTraceElement
                at public java.lang.StackTraceElement[] 
java.lang.Throwable.getStackTrace()
                at java.lang.ThrowableThis 

This is really bad. Where is this documented? Does every nested property of 
every method 
argument have to have a no-arg constructor?

This makes the implementation of an SCA LogService in Tuscany 1.6 practically 
impossible, if
one cannot even pass in an exception object. 

-- Sebastian

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