seaside February 2008

seaside@lists.squeakfoundation.org

79 participants
96 discussions

Are Collections threadsafe?
by Malte Zacharias 28 Feb '08

28 Feb '08

Hello list, If I access global collections of objects within my Web Application, do I have to synchronize access by myself? My concerns are whether Dictionaries and OrderedCollections are implemented threadsafe or not, I found some documents that said they aren't but they date back a fair while, so I'd like to ask whether any of you has an answer for me.. Greetings, Malte Zacharias

9 30

Surprised at callback/livecallback on multiselect
by Steve Aldred 27 Feb '08

27 Feb '08

Just an FYI for those playing in the area. From a bit of research into liveCallback it appeared that the callback block would not get called. The tests also seem to indicate this. However if the form containing the multiselect gets submitted then the callback fires even though the liveCallback has already fired. I guess it makes sense but it wasn't what I expected.

2 4

Timeouts when trying to use Albatross unit testing
by Matthias Berth 27 Feb '08

27 Feb '08

Hello, I have installed Albatross [1] and the prerequisites. However, when I try to run the example unit test APierTest that comes with it, I get timeout errors like the one attached below. It happens in ABrowser>>receiveOrTimeout which is sent from setUp: ATestCase>>setUp | handler | handler := ARequestHandler default reset; yourself. AComponentWrapper initializeWith: self subjectApplication for: self. browser := handler browser applicationUrl: 'http://localhost:9090/seaside/albatross' driverUrl: 'http://localhost:9090/seaside/driver'. browser timeout: 10. browser open. browser timeout: 5. browser receiveOrTimeout. I see the Pier web page appear in my web browser. I am running Squeak 3.9 under Windows, with Albatross-al.211 and Seaside2.8a1-mb.465 (Sept. 2007). Any hints on how to get this working, or on how to isolate the problem would be greatly appreciated :-) Cheers Matthias [1] http://www.squeaksource.com/Albatross.html ********* VM: Win32 - a SmalltalkImage Image: Squeak3.9 [latest update: #7067] SecurityManager state: Restricted: false FileAccess: true SocketAccess: true ABrowser(Object)>>error: Receiver: an ABrowser Arguments and temporary variables: aString: 'Timed out receiving reply' Receiver's instance variables: inQueue: a SharedQueue outQueue: a SharedQueue applicationUrl: 'http://localhost:9090/seaside/albatross' driverUrl: 'http://localhost:9090/seaside/driver' resultType: nil ABrowser>>receiveOrTimeout Receiver: an ABrowser Arguments and temporary variables: proc: a Process in [] in BlockContext>>newProcess {[self value. Processor term...etc... result: nil sem: a Semaphore() typedResult: nil Receiver's instance variables: inQueue: a SharedQueue outQueue: a SharedQueue applicationUrl: 'http://localhost:9090/seaside/albatross' driverUrl: 'http://localhost:9090/seaside/driver' resultType: nil APierTest(ATestCase)>>setUp Receiver: APierTest>>#testEditPage {testing} Arguments and temporary variables: handler: an ARequestHandler named: 'driver' Receiver's instance variables: testSelector: #testEditPage browser: an ABrowser testComponent: nil [] in APierTest(TestCase)>>runCase {[self setUp. self performTest]} Arguments and temporary variables: --- The full stack --- ABrowser(Object)>>error: ABrowser>>receiveOrTimeout APierTest(ATestCase)>>setUp [] in APierTest(TestCase)>>runCase {[self setUp. self performTest]} - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - BlockContext>>ensure: APierTest(TestCase)>>runCase [] in APierTest(TestCase)>>debug {[(self class selector: testSelector) runCase]} BlockContext>>on:do: [] in APierTest(TestCase)>>debug {[[(self class selector: testSelector) runCase] on: Error do: [:ex | Unha...]} BlockContext>>ensure: APierTest(TestCase)>>debug [] in TestRunner>>debugSuite: {[:each | each debug]} Set>>do: [] in TestRunner>>basicRunSuite:do: {[aTestSuite name isEmptyOrNil ifTrue: [aTestSuite tests do: aBlock] ifFa...]} BlockContext>>ensure: TestRunner>>basicRunSuite:do: TestRunner>>debugSuite: TestRunner>>debug: TestRunner>>errorSelected: PluggableListMorphPlus(PluggableListMorph)>>changeModelSelection: PluggableListMorphPlus(PluggableListMorph)>>mouseUp: PluggableListMorphPlus(Morph)>>handleMouseUp: MouseButtonEvent>>sentTo: PluggableListMorphPlus(Morph)>>handleEvent: PluggableListMorphPlus(Morph)>>handleFocusEvent: [] in HandMorph>>sendFocusEvent:to:clear: {[ActiveHand := self. ActiveEvent := anEvent. result := focusHolder han...]} [] in PasteUpMorph>>becomeActiveDuring: {[aBlock value]} BlockContext>>on:do: PasteUpMorph>>becomeActiveDuring: HandMorph>>sendFocusEvent:to:clear: HandMorph>>sendEvent:focus:clear: HandMorph>>sendMouseEvent: HandMorph>>handleEvent: HandMorph>>processEvents [] in WorldState>>doOneCycleNowFor: {[:h | ActiveHand := h. h processEvents. capturingGesture := capturingGest...]} Array(SequenceableCollection)>>do: WorldState>>handsDo: WorldState>>doOneCycleNowFor: WorldState>>doOneCycleFor: PasteUpMorph>>doOneCycle [] in Project class>>spawnNewProcess {[[World doOneCycle. Processor yield. false] whileFalse. nil]} [] in BlockContext>>newProcess {[self value. Processor terminateActive]}

2 3

MVC Pattern Seaside For Application(s) ?
by Conrad Taylor 27 Feb '08

27 Feb '08

Hi, is there MVC pattern for implementing Seaside applications? BTW, I'm using GLASS. Thus, I'll be using GemStone/S OODB for persisting objects so that they exist across sessions? Lastly, what mechanism(s) and/or technique(s) should one use to get stuff into GemStone/S? Thanks in advance, -Conrad

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WAKom IP access restriction
by Michael Markowski 27 Feb '08

27 Feb '08

Hi, is there a way to configure KomHttpd to only listen to localhost ? I have set up an apache with mod_proxy to forward all requests to wakom on port 8080. Unfortunately, everyone can access Wakom on port 8080. Or do I have to setup a firewall for this? Cheers, Michael

3 2

Pier questions
by itsme213 26 Feb '08

26 Feb '08

I am considering diving into Pier for some things I am doing, and have some questions. Pardon me if any of these are very obvious. - Is internal content (e.g. wiki content) represented in some neutral form, or in the entry syntax? Would it be easy to enter in wiki-format-A today, and switch including existing content to wiki-format-B next month? - Is it simple to connect Pier objects (pages, components on a page, etc.) to entirely different domain objects (e.g. Customers, Orders, etc.)? - Does Pier have Ajax capabilities, either built-in, or otherwise available from squeaksource etc.? - in-place editing of stuff? - in general, can one use SUComponents easily with Pier? - does Ajax live OK alongside Magritte? - Anyone have a wysiwyg editor hooked up to Pier? There is a Prototype-based one available here http://inplacericheditor.box.re/demos - What kinds of CMS-things available in (or for) Pier? - Blog - Discussion thread / forum - what others? I'm pretty sure most of these can be done, just want to find out what is already there. Many thanks, Sophie

3 5

trimForDeployment
by Richard K Eng 26 Feb '08

26 Feb '08

When I do the following to my Seaside image, and then try to start the image on my Linux server, it fails with a segmentation fault... http://seaside.st/documentation/faq/deployment-and-maintenance?16&_k=BDTUUg… How to exclude applications from the Seaside main dispatcher? Before deploying for production, it is not a bad idea to remove from the Seaside dispatcher all those applications that are not strictly needed. Otherwise, users may accidentally enter the "counter" or the "store" demo applications. First of all, you will have to explicitely designate those Seaside applications that are deployed. This is achieved by re-implementing the #isDeployed class method in the root component of the deployed applications. By default, this class method answers false, only the dispatcher editor ("config") and the dispatcher navigator ("browse") answer true. Then, to remove applications from the Seaside dispatcher, evaluate the following: WADispatcher default trimForDeployment. This will remove all those applications that answer false to message #isDeployed. I don't have time to investigate this, so I'm going to have to live with it. I just thought you folks should know about it... Regards, Richard

1 0

Magma seaside helper
by Norbert Hartl 25 Feb '08

25 Feb '08

Keith, when are your WASessionHelpers supposed to be added to WASession. I did a quick peek at the code but I don't get it. The problem with WAMagmaSoloAuto is that updateRoot: isn't called and therefor no commit to the database happens. regards, Norbert

2 1

[Election 2008] Campaigning period is on!
by goran＠krampe.se 25 Feb '08

25 Feb '08

Hi all! The nomination period for this years election of the Squeak Foundation board has ended. We have 12 candidates for the board! Superb! Now we are in the so called "Campaigning period" until the 29th february. During this period the candidates are of course free to do whatever they like :) but the following two activities have been used earlier years and I hope that the candidates will participate in them: 1. Post a "campaigning statement" (or whatever) as an article on http://people.squeakfoundation.org. People can then reply and ask questions etc without drowning in squeak-dev. It also makes a nice "persistent" record. Of course people can follow up on squeak-dev too. 2. Answer the 10 questions we have cooked up for the candidates by a post to squeak-dev: http://wiki.squeak.org/squeak/6029 That page is locked (only I can edit) so the idea is that the candidates answer by writing a post to squeak-dev starting from today. All should feel free to discuss on squeak-dev at length of course. The initial posts (with the answers) will be collected by me ASAP and filled in on the the Q&A page mentioned above so that all answers can be seen in one place. All details of the Election can be found at: http://wiki.squeak.org/squeak/6025 regards, Göran (Election leader) PS. In order to vote - be sure to confirm that you have an account on http://people.squeakfoundation.org and that your email address is up to date. If you are not already registered on the site do so as soon as possible. Include information about your participation in the Squeak community to aid everyone in determining your appropriate certification. If you have misplaced your people.squeakfoundation.org password there is a link on the login page to allow you to reset it. When the voting period starts all voters will receive an email with instructions and a link to the voting website.

1 0

Help with understanding how #call: works
by Squeaker 25 Feb '08

25 Feb '08

Greetings, I have two components A and B and I have the following code in A. renderContentOn: html self call: B new. What I was expecting is that B would be rendered. (I suspect that there would be problems when B answers but for this experiment, this was not my concern yet.) My question is: Why doesn't B get rendered? All I get is a blank screen. And, I know this a contrived example and is probably not something one would normally do. I just want to understand why this does not work. Many Thanks, Frank

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seaside February 2008