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Fri, 17 May 2013 14:38

Eclipse User

Hi All,

I'm trying to evaluate the Bahbah project I downloaded from github (https://github.com/BSI-Business-Systems-Integration-AG/org.eclipsescout.demo.git)

First of all as the examples that I write myself, the disconnection appears to fail, one's immediately reconnected after clicking "Logout" from the menu, by cons when we put a breakpoint in the method "AbstractClientSession#stopSession (int)", a step-by-step run leads to some effective logout but an exception is thrown as this:

!ENTRY org.eclipse.scout.rt.client 1 0 2013-05-17 20:17:03.921
!MESSAGE org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:374) logout on server
!STACK 0
java.lang.reflect.UndeclaredThrowableException
	at com.sun.proxy.$Proxy16.logout(Unknown Source)
	at org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:370)
	at org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:344)
	at org.eclipse.scout.bahbah.client.ui.desktop.Desktop$LogoutMenu.execAction(Desktop.java:86)
	at org.eclipse.scout.rt.client.ui.action.AbstractAction.doAction(AbstractAction.java:292)
	at org.eclipse.scout.rt.client.ui.action.AbstractAction$P_UIFacade.fireActionFromUI(AbstractAction.java:629)
	at org.eclipse.scout.rt.ui.rap.action.AbstractRwtMenuAction$2.run(AbstractRwtMenuAction.java:220)
	at org.eclipse.scout.rt.ui.rap.concurrency.RwtScoutSynchronizer$1.runVoid(RwtScoutSynchronizer.java:61)
	at org.eclipse.scout.rt.client.ClientJob.runStatus(ClientJob.java:189)
	at org.eclipse.scout.rt.client.ClientJob.runTransactionWrapper(ClientJob.java:172)
	at org.eclipse.scout.rt.client.ClientJob.run(ClientJob.java:159)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: ProcessingException[ProcessingStatus[ERROR code=0 Calling ILogoutService.logout() java.lang.InterruptedException: Annulé par l'utilisateur]]
	at org.eclipse.scout.rt.client.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:163)
	at org.eclipse.scout.rt.client.servicetunnel.http.internal.InternalHttpServiceTunnel.invokeService(InternalHttpServiceTunnel.java:175)
	at org.eclipse.scout.rt.client.servicetunnel.http.HttpServiceTunnel.invokeService(HttpServiceTunnel.java:115)
	at org.eclipse.scout.rt.client.servicetunnel.ServiceTunnelInvocationHandler.invoke(ServiceTunnelInvocationHandler.java:47)
	at com.sun.proxy.$Proxy16.logout(Unknown Source)
	at org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:370)
	at org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:344)
	at org.eclipse.scout.bahbah.client.ui.desktop.Desktop$LogoutMenu.execAction(Desktop.java:86)
	at org.eclipse.scout.rt.client.ui.action.AbstractAction.doAction(AbstractAction.java:292)
	at org.eclipse.scout.rt.client.ui.action.AbstractAction$P_UIFacade.fireActionFromUI(AbstractAction.java:629)
	at org.eclipse.scout.rt.ui.rap.action.AbstractRwtMenuAction$2.run(AbstractRwtMenuAction.java:220)
	at org.eclipse.scout.rt.ui.rap.concurrency.RwtScoutSynchronizer$1.runVoid(RwtScoutSynchronizer.java:61)
	at org.eclipse.scout.rt.client.ClientJob.runStatus(ClientJob.java:189)
	at org.eclipse.scout.rt.client.ClientJob.runTransactionWrapper(ClientJob.java:172)
	at org.eclipse.scout.rt.client.ClientJob.run(ClientJob.java:159)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
	at org.eclipse.scout.rt.client.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:167)
	at org.eclipse.scout.rt.client.servicetunnel.http.internal.InternalHttpServiceTunnel.invokeService(InternalHttpServiceTunnel.java:175)
	at org.eclipse.scout.rt.client.servicetunnel.http.HttpServiceTunnel.invokeService(HttpServiceTunnel.java:115)
	at org.eclipse.scout.rt.client.servicetunnel.ServiceTunnelInvocationHandler.invoke(ServiceTunnelInvocationHandler.java:47)
	... 12 more
Caused by: java.lang.InterruptedException: Annulé par l'utilisateur
	at org.eclipse.scout.rt.client.servicetunnel.http.internal.InternalHttpServiceTunnel.tunnelOnline(InternalHttpServiceTunnel.java:181)
	at org.eclipse.scout.rt.client.servicetunnel.http.HttpServiceTunnel.tunnelOnline(HttpServiceTunnel.java:122)
	at org.eclipse.scout.rt.client.servicetunnel.AbstractServiceTunnel.tunnel(AbstractServiceTunnel.java:194)
	at org.eclipse.scout.rt.client.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:125)
	... 15 more

!ENTRY org.eclipse.scout.rt.client 1 0 2013-05-17 20:17:08.738
!MESSAGE org.eclipse.scout.rt.client.AbstractClientSession.stopSession(AbstractClientSession.java:378) end session event loop

So what's really happening?
Is the session properly closed and resources freed at "Logout" click?
If not, what are the best practices to adopt, especially in this case where It seems to me that the processing of notifications prevents clients' disconnection.

Thanks!

Attachment: bahbah.zip
(Size: 280.66KB, Downloaded 304 times)

Re: Logout fails [message #1060178 is a reply to message #1059376]

Thu, 23 May 2013 08:08

Eclipse User

SOLVED (I suppose)!

one just have to override AbstractStandaloneRwtEnvironment#getLogoutLocation!

Re: Logout fails [message #1060276 is a reply to message #1060178]

Thu, 23 May 2013 15:49

Eclipse User

Thanks for sharing!

Can you elaborate on what was missing? Do you think this is something that should be back ported to Scout?

Re: Logout fails [message #1060289 is a reply to message #1060276]

Thu, 23 May 2013 18:11

Eclipse User

One should just be aware that this implementation in AbstractStandaloneRwtEnvironment is a default behaviour

protected String getLogoutLocation() {

	String path = RWT.getRequest().getServletPath();
	if ((path.length() > 0) && ('/' == path.charAt(0))) {
		path = path.substring(1);
	}
	path += "?" + LogoutFilter.LOGOUT_PARAM;
	return path;
}

For mine I got for example:

protected String getLogoutLocation() {

	return "http://www.eclipse.org/forums/index.php";
}

there's so nothing to port to scout!

Re: Logout fails [message #1060431 is a reply to message #1060289]

Fri, 24 May 2013 11:35

Eclipse User

Hi Boy

Overriding this method is not recommended. This logout location is the url which is responsible to logout and not the url after a logout. So if you override this method, you just redirect the call but don't invalidate the session.

The automatic relogin happens because the redirect url after a logout is the base url which typically is /web. If you want to change it you can do this by setting a property in the config.ini of the rap plugin:

org.eclipse.scout.rt.ui.rap.servletfilter.LogoutFilter#redirectUrl=res/logout.html

See the javadoc of the LogoutFilter for more details.

I'm not sure why the exception occurs. It may be because rap cancels all running jobs when stopping the session. Which version of scout are you using?

Regards
Claudio

Re: Logout fails [message #1060505 is a reply to message #1060431]

Sat, 25 May 2013 11:27

Eclipse User

Thank you dear Claudio.

I felt that this solution was not consistent, reason why I put "solved, I suppose".

ok, I take the recommended solution into account.

The Scout version I currently use is 3.8.2, but It's the same case on 3.9 (Bahbah project is buitt ont Scout 3.9)

So could you give me your opinion about the solution I provided to this problem: http://www.eclipse.org/forums/index.php/t/487941/ , because I do not really approve it myself!

Re: Logout fails [message #1060515 is a reply to message #1060505]

Sat, 25 May 2013 17:23

Eclipse User

Boy D'Poy wrote on Sat, 25 May 2013 17:27

The Scout version I currently use is 3.8.2, but It's the same case on 3.9 (Bahbah project is built on Scout 3.9)

As indicated on the presentation page of the scout demo applications, these demo apps are a work in progress.

You have different branches in the repository:
* master -> Eclispe Kepler EPP (Eclipse 4.3 + Scout 3.9)
* 3.8 -> Eclispe Juno EPP (Eclipse 4.2 + Scout 3.8)

We plan to add other branches for other combinations in the future.

Be aware that there is a big difference for RAP between Juno and Kepler: with Kepler we have upgraded RAP to Kepler 2.0.

[Updated on: Sat, 25 May 2013 17:24] by Moderator

Re: Logout fails [message #1060626 is a reply to message #1060515]

Mon, 27 May 2013 07:32

Eclipse User

Quote:

As indicated on the presentation page of the scout demo applications, these demo apps are a work in progress.

Right! But the same problem happens on both 3.8.2 & 3.9 versions even on a started from scratch project Sad

Furthermore, I tried to implement the solution Claudio indicated, but I the current Scout releases 3.8.2 & 3.9[.0.20130522-0147] only include the :

org.eclipse.scout.rt.ui.rap.servletfilter.LogoutFilter#doLogout

parameter, not the:

org.eclipse.scout.rt.ui.rap.servletfilter.LogoutFilter#redirectUrl

one!

[Updated on: Mon, 27 May 2013 07:33] by Moderator

Re: Logout fails [message #1061178 is a reply to message #1060626]

Thu, 30 May 2013 08:17

Eclipse User

Quote:

I tried to implement the solution Claudio indicated, but I the current Scout releases 3.8.2 & 3.9[.0.20130522-0147]

Ignore this partially plz, only for 3.9, not for 3.8.2, beacause it was due to a bad upgrade from eclipse 4.3.M.7 to 4.3.RC1.

I implemented the solution as recommended and it worked fine!

Thank you, but I would be very grateful to take a look at this question I submit a few days ago : http://www.eclipse.org/forums/index.php/t/487941/

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