Web Services Navigator performance problems

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Symptom
If you invoke a Web service which returns a big response in Web Services Navigator, the invocation is done in just a few seconds. However, the user interface needs more time to display the result.
Other terms
WS Navigator, Web Services Navigator, invocation, performance.
Reason and Prerequisites
The result tree does not collapse automatically when it receives a [...]

WS Navigator shows XML Deserialization Error

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Symptom
When a Web service is invoked successfully in Web Services Navigator, the result is received but an error message occurs and says that “RemoteException: XML Deserialization Error. XML is not valid”.
Other terms
WS Navigator, Web Services Navigator.
Reason and Prerequisites
From a WSDL point of view, the received message is invalid. It is possible that there [...]