Hi,
Is it possible to develop/generate a quick CRUD application using wicket,
something like the OpenXawa does or even JSF
Thanks
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Ok, thanks
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I need to understand what and when Wicket tries to serialize stuff in a
running wicket application. I am not able to fix this error and it keeps
growing with more users starting to use the application. It does not affect
the application usage but it keeps beaming error email.
I am using LRU map
Ok.. To explain the scenario, i have a singleton data-maanger java class that
user a underlying LRUMAP to store most recently viewed data. various wicket
panels use this data-manager to request data that they need to
display/update etc.
Access to data is well protected using various
Ok, thank you all.
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The div style does work as suggested but it covers the whole panel and hides
everything. Any way to fix this, it should work as a background.
I tried the z-index but it does not seem to work.
Thanks
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I have a complex panel with several components.
I want to render the page background color different based on some condition
without altering existing code, something like just wrap everything in a new
div tag.
div wicket:id=envIndicator
all existent panel stuff goes here
/div
i tried this.
Thanks Sven, i will try that.
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Sorry to ask again but what i will have to do on markup side. I added this
but dont find the attribute (style-sheet) appearing anywhere in HTML source
to see whats happening.
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No, just the wicket:panel
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Thanks, but could you please explain how wicket handles serialization of
objects that could throw this error.
I could be wrong but it appears to me wicket is iterating the data structure
for its serialization efforts when its being modified by other threads as
well and the iteration results in
Getting below error at times, looks like its coming from usage of apache
common LRUMAa class, not sure where to start fixing this.
15 Jul 2013 11:03:42.099 [http-apr--exec-3] ERROR
o.a.w.serialize.java.JavaSerializer - error writing object [Page class =
com.abc.xyz.web.HomePage, id = 5,
Thanks!!
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I have used this before as a simple String model which works fine but with
other types i have some isues going on any help would be appreciated.
using:
final AutoCompleteTextFieldXYZ something = new
AutoCompleteTextFieldXYZ(code, xYZTypeModel, renderer)
the options are displayed correctly
I have a multi level tabbed application using
org.wicketstuff.security.extensions.markup.html.tabs.ISecureTab and
com.apollo.security.swarm.html.SecureLoggableTabbedPanel
i want to refresh a tab as based on some user selection on that tab the tab
need to show different data etc and its hard to
Actually target.add(getPanel()); seems to be doing what i need but i have a
problem here and hoping someone would be able to help, i dont have any great
background in java script stuff, we picked up wicket hoping we dont have to
deal with that.
My JavaScript are not firing
such as..
yes, when the panel normally loads the java scripts are added as
renderHead(IHeaderResponse response)
{
.
response.render(JavaScriptHeaderItem.forReference(new
PackageResourceReference(Mypanel.class,custom.js)));
}
and this is working fine.
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Anyone?
Thanks
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for securing wicket applications, going by no documentation etc available on
WASP/SWARM, i am just curious if there are other things available and
preferred.
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Thanks, if you could upload that would be great.
a link here would help greatly too.
https://cwiki.apache.org/WICKET/wasp-swarm-security.html
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Thanks again, much appreciated.
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Thanks, i will give it a try and update.
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We have few wicket application used by same user set so I am contemplating to
combine them in one single interface from users point of view but they
should run as separate independent applications running at separate URLs as
they do today.
Please lets me know if there is a way to achieve this with
Can not find any documentation around this, can someone please point to some
useful link.
I need to disable few links, buttons, radio buttons based on user roles,
have not found any suitable material that can help. The goal is to create a
read only access to application.
The code we have works
Thanks martin, i will explore these options.
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I am using JQuery multi select by Eric Hynds in my current wicket application
in few places.
http://www.erichynds.com/examples/jquery-ui-multiselect-widget/demos/
This works great in a Wicket application (using ListMultipleChoice) in
wicket development mode, but when i change wicket mode to
Any thoughts on this please, what is different in wicket between deployment
and development mode that could have caused this problem.
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Thanks for all your help.
I have this another case now, i have a download link.
The code that downloads file is below:
LinkVoid link = new LinkVoid(dataExportLink)
{
private static final long serialVersionUID = 1L;
public void onClick()
{
IRequestHandler handler
Thank you guys.
Yes, it was merely a matter of having correct CSS in place for the div, it
works great now.
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I was able to position it wherever i want but now i notice that its hides
under one of my model window in certain cases, is there a way to show it
above the model window too.
Thanks
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Following instructions works great however they do not address the problem of
preventing user from clicking anywhere until the request is processed.
https://cwiki.apache.org/WICKET/generic-busy-indicator-for-both-ajax-and-non-ajax-submits.html
I need the busy indicator / gif to layer the
I am using this grid in numerous places in my current application and dont
have this problem anywhere else except in one of the panel.
When resizing the column it prints below line on server console:
1:41:13.410 [qtp1683589725-44] WARN o.a.wicket.RequestListenerInterface -
behavior not enabled;
This is being caused by inmethod grid being set to disabled, the error looks
unnecessary though. Not sure if there is way to suppress it.
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ok, will do.
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This is great, thanks!
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ExecutionExceptionjava.util.concurrent.ExecutionException:
org.apache.wicket.WicketRuntimeException: There is no application attached
to current thread pool-2-thread-1
I am trying to process a bulk data request within a thread pool.
Thanks for your help.
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Sorry i dont get what you mean by 'You will have to path the info you need
to this pooled
thread from request handling thread '
Did you mean 'pass the info'? that is what i am doing..
The request handling thread is creating a pooled thread and submitting tasks
and waiting for them to finish and
I am not doing any Application.get() inside the thread pool, pool does not
care who is using it, it just processed anything submitted to it and returns
a future to collect the output, Any thoughts?
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It just prints one line as of now as i mentioned above, trying to see if i
can print more details.
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You were right, It was my fault, the code was indeed trying to read user from
session. It works fine after i tweaked the code, thanks!
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I have a panel with several controls, i would like to add a common
AjaxIndicatorAppender for entire panel.
It does work fine for individual controls but i have not found a way to add
one common for all be able to position the location of loading message gif.
Ideally i would like to achieve
yeah, thanks
I can have my panel implement the IAjaxIndicatorAware and use a
AjaxIndicatorAppender as here, but unless i add this indicator to one of
the component in the panel it does not show up and also in that case it
shows rightly next to the component where i added it. how would i take
Any thoughts on this please?
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Thanks Marc, i will take a look at these methods if they can help, however my
equals method can not help here as i said previously some columns are
derived in the sense they dont return an attribute of the object but a value
which is derived from the context (and object state) in which the method
grid.markAllItemsDirty();
grid.update();
This does not help, for some reason grid is smart not to regenerate a row
for a model it already did.
I can see my getXXX method is called by grid only first time and than its
never get called again so the column shows what was calculated for the first
public class DataSource implements IDataSourceMyModel {
private FilterMyModel myModelFilterChain;
public DataSource(FilterChainMyModel myModelFilterChain)
{
this.myModelFilterChain= myModelFilterChain;
}
Its a regular java bean with properties and setter and getter methods.
Grid uses the expression to map a column to a particular property on row
model (MyModel).
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Just managed to get a workaround to fix the problem.
I have to add a dummy property to the model object and calculate that
property within my data source and than use that property to map to the
calculated column.
However since i can not change the state of original shared model object, so
i have
yes i am using property columns in grid to map columns to properties of
model.
Data Source is a very simple implementation just filter model objects in a
cache into a list of filtered model objects.
Context is user and also his filter settings.
If a user can not see value from source x so his
Also i put a print on every getter but it only prints on first call on a set
of rows, if you filter among those rows its never get called, i suspect the
grid has rows cached and its assuming nothing changed so using those rows
again as a subset of previously created rows.
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Actually i have overridden
public Component newCell(WebMarkupContainer parent, String componentId,
IModel rowModel)
{
...
}
to use a separate panel for cell content, due to other functions, will not
make any difference?
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Thanks Marc, This is indeed the issue, i am going to make it light weight for
now and provide an alternate mechanism to launch the other features that are
stuffed in here at present.
Thank for helping me out.
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I have this strange case where when i do ajax target.add(grid), it does call
my grid datasource to request the rows that the grid need to populate but
when it finds that rows to be displayed are same what grid already has it
does not recreate the grid (i can say that as i notice my get methods on
Thanks!
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I was looking for any excel extension for Wicket and came across this, not
really sure what is the status of this project, any information please.
The page at https://github.com/wicketstuff/core/wiki/POI looks interesting.
Also in general what is the best way to do Excel upload/download in Apache
thanks, much appreciated
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IAutoCompleteRendererBroker renderer = new
AbstractAutoCompleteTextRendererBroker()
{
private static final long serialVersionUID = 1L;
@Override
protected String getTextValue(Broker object)
I will give it a try just to see if model gets set, but i really cant do that
in this case as there are other fields in the form that need to be filled
before submitting the form, is there any other way that just sets the model
for auto complete field?
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The exact error (javascript) is
TypeError: $(...) is null
As per the Widget documents i need to invoke below to activate the
multiselect.
$(document).ready(function(){
$(#myselect).multiselect();
});
So it can not find #myselect in this case, i put a alert on this and it
prints null, but
finally manged to got this working this morning.
The code that worked:
$.noConflict();
jQuery(document).ready(function($) {
$(document.getElementById(multiSelectId)).multiselect();
});
for some reason
$(#multiSelectId).multiselect();
does not work.
I had to hardcode
I am trying to use jQuery UI MultiSelect Widget by Eric Hynds
(http://www.erichynds.com/jquery/jquery-ui-multiselect-widget/) in one of
our current wicket application.
This works fine using Wicket ListMultipleChoice on a simple panel with no
other components, but on a complex panel (several other
Thanks, do you still need a quick start app to look into this, sorry i was
occupied in other pressing needs but i can try one if required.
On a different note, the problem seem to be only with Firefox 17 and 18, for
some reason there are no issues in older versions ( i tested with 12 and 14)
for
Most of these are coming from using
IndicatingAjaxLink link = new IndicatingAjaxLink(link)
That launches a model window.
The data grid i have , many rows (hence every cell on that row) have a AJAX
link that opens a model window to show more details.
I don't have anything else that is adding java
I receive several of evaluate tags within ajax-response such as below, i
also receive several
priority-evaluate tags, what are these meant for, reworking an existing
application so i am not very clear how ajax response works in wicket, the
browser craps out parsing one or another of the evaluate
As I play with this to find a solution, I notice few interesting things, that
I am hoping someone would be able to decipher into root cause if this issue
and a fix.
I have a data grid on my page with several filters drop downs and each of
them are basically making the grid to refresh (with
My problem has become worse now, earlier i only had issues selecting all rows
on grid but now anything that refreshes the data table grid is giving me
error. Any help would be appreciated. I dont have too many Ajax calls in the
grid, i am not sure what causes the recursion that it is complaining.
[12:52:52.119] Wicket.Ajax: FunctionsExecuter.processNext: [Exception...
Component returned failure code: 0x80004002 (NS_NOINTERFACE)
[nsIObserverService.addObserver] nsresult: 0x80004002 (NS_NOINTERFACE)
location: JS frame :: resource:///components/ConsoleAPI.js :: CA_init ::
line 57 data: no]
Anyone? I tried the component hierarchy based renderHead(IHeaderResponse
response), but it does work, for some reason the prototip-min.js always
appears first in the list of scripts.
My java script appear as below:
I need them to appear as:
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I have all these in given order
prototip.css
prototip-min.js
prototype.js
scriptaculous.js
i do not see anything else required so does the order matter here? if it
does how to change that in wicket.
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I am getting below two errors (app running under wicket 6.2), any help is
appreciated to fix these, thanks
ReferenceError: Prototype is not defined
TypeError: Tip is not a constructor
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Thanks for responding, To use SCRIPTACULOUS js libraries:
We are using in maven:
dependency
groupIdorg.wicketstuff/groupId
artifactIdwicketstuff-jslibraries/artifactId
version1.5.8/version
/dependency
And than code like this
@Override
public void
Anyone?
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Thanks, this is helpful.
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Switched to run in development mode but it throws below error, am i suppose
to add markup for these?
Did extensive google on this, found nothing so far, thanks
Root cause:
org.apache.wicket.WicketRuntimeException: The component(s) below failed to
render. Possible reasons could be that: 1) you
I can disable this using:
getDebugSettings().setComponentUseCheck(false);
what is the equivalent for below (wicket 1.4) in wicket 6+
getAjaxSettings().setAjaxDebugModeEnabled(true);
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Thanks, using the debug mode i see that it prints
INFO: Channel '0' is busy - scheduling the callback to be executed when the
previous request finish.
not sure what it means.
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Thanks martin.
I see that i have two java script errors and these could be causing the
problem.
ReferenceError: Prototype is not defined
TypeError: Tip is not a constructor
These are related to prototype.js and wicketstuff-minis (tool tip)
Any help on resolving these?
Thanks
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in wicket 6.
using the below code, not sure how to pass the arguments as is done by the
current code (wicket 1.4)
JSLib.getHeaderContribution(VersionDescriptor.alwaysLatest(Library.SCRIPTACULOUS)).renderHead(response)
Thanks
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I am right now struggling to find the cause of this strange error, spangly
the OnChangeAjaxBehavior() is executed only once on first change, subsequent
changes do nothing.
private final IModelDate datamodel= new ModelDate(new Date());
private void addDateSelection(Form? filterForm)
{
old wicket code has this everywhere in my app
some textField .add
new AjaxEventBehavior(onkeypress)
{
.
.
protected CharSequence getCallbackScript(boolean onlyTargetActivePage)
{
}
.
.
}
could someone point me to an example how this can be done in wicket 6.
Looking to migrate
Thanks for responding,
I am trying to migrate an older app to 6.2 and hit this error.
using debug i could also narrow it down to 'previous' (PageLock previous)
being null, i will try to reproduce this in quickstart application and
create jira.
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I see that timeout prints 0 in my case , so it never executed the code
previous = locks.get().putIfAbsent(pageId, lock);
, for some reason the old app did not set a timeout, so after setting it to
something meaningful the app works.
Perhaps
/** timeout value for acquiring a page lock */
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