troubleShooting.calculate("anders").get();
}
catch (ExecutionException ee) {
GraphExecutionException e = (GraphExecutionException) ee.getCause();
System.out.println("Stack trace: ");
e.printStackTrace(System.out);
System.out.println("Information about calls:");
for (CallInfo callInfo : e.getCalls()) {
System.out.println(" " + callInfo);
}