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https://issues.apache.org/jira/browse/TUSCANY-1802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raymond Feng reassigned TUSCANY-1802:
-------------------------------------
Assignee: Venkatakrishnan
> RMI Implementation Error Handling lost inner exception's detail information
> ---------------------------------------------------------------------------
>
> Key: TUSCANY-1802
> URL: https://issues.apache.org/jira/browse/TUSCANY-1802
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Java Implementation Extension
> Reporter: Yang Sun
> Assignee: Venkatakrishnan
> Fix For: Java-SCA-Next
>
>
> Here is an email I sent to the tuscany user group. Raymond Feng confirms it
> may be a potential bug. Please have a look.
> /--------------------------------------
> Hi,
> I am a new user of Tuscany and I am very excited with this great software. I
> am trying to introduce it into my project and currently I am evaluate it with
> every possible situations.
> Currently, I met a small problem with the spring implementation. I am not
> sure if I understand the background and configure the composites right.
> Please correct me if I make anything wrong.
> The problem I met is that I cannot get the detailed original exception when
> the server-side throw any kinds of exceptions. After a rough looking at the
> src code and debugging, I see the following code in SpringInvoker.java :
> -----------------------------------------------------------------------
> private Object doInvoke(Object payload) throws SpringInvocationException {
> if (theMethod == null)
> setupMethod();
> if (badInvoker)
> throw new SpringInvocationException("Spring invoker incorrectly
> configured");
> // Invoke the method on the Spring bean using the payload, returning
> the results
> try {
> Object ret;
> if (payload != null && !payload.getClass().isArray()) {
> ret = theMethod.invoke(bean, payload);
> } else {
> ret = theMethod.invoke(bean, (Object[])payload);
> }
> return ret;
> } catch (InvocationTargetException e) {
> throw new SpringInvocationException(e.getMessage());
> } catch (Exception e) {
> throw new SpringInvocationException(e.getMessage());
> }
> } // end method doInvoke
> ------------------------------------------------------------------------
> When the invoked method throw an exception (checked or unchecked), the
> program flow will go to the InvocationTargetException exception handler. Then
> the program only put the message of the original message to the wrapper
> exception SpringInvocationException. The detailed information of the original
> exception is missing. I am thinking it is here that will lost the detailed
> information of the original exception detail.
> The reason for me to bring this question is that if we cannot get the
> detailed information of the original exception, how can we deal with the
> application exceptions (such as NotEnoughMoneyException)? The only thing I
> can get is the java.lang.reflect.InvocationTargetException wrapped in
> java.rmi.UnexpectedException. And with those information, I cannot get the
> right information to make the further decision in the program.
> I am not sure whether I got the right point or if I misunderstand anything.
> Please give me some suggestions on this problem.
> Best Regards,
> Yang Sun
> --------------------------------------------------------------------------------/
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