}
String myProxyUsername = engine.getMyProxyClient().getUsername();
String myProxyPass = engine.getMyProxyClient().getPassphrase();
stub.launchWorkflow(workflow.toXMLText(), topicString,
myProxyPass, myProxyUsername, inputNameVals,
configurations);
} catch (Exception e) {
WorkflowInterpreterLaunchWindow.this.engine.getErrorWindow().error(e);
}