wicket + JSON web tokens

[Jason Novotny]

Hi,

Has anyone done any work with Wicket and JSON web tokens http://jwt.io/? 
I'm interested in getting away from server-side session management if 
possible.


Thanks, Jason

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distributed session handling with redis

[Jason Novotny]

Hi,

I googled and found a discussion on using redis to handle sessions, and 
someone also came up with a project 
https://github.com/baholladay/WicketRedisSession.


Based on the thread 
http://mail-archives.apache.org/mod_mbox/wicket-dev/201502.mbox/%3c54e4cfee.80...@gmail.com%3E 
I wound up using spring-session with redis as per 
http://docs.spring.io/spring-session/docs/current/reference/html5/guides/httpsession.html


I see I would also need to modify the page manager provider-- is it 
sufficient to add the following, or is there more to do?


setPageManagerProvider(newDefaultPageManagerProvider(this) {
protectedIDataStore newDataStore() {
return 
newHttpSessionDataStore(getPageManagerContext(),newPageNumberEvictionStrategy(20));
}
});

Thanks, Jason

Re: wicket creating tons of sessions

[Jason Novotny]

Thanks Martin,

Turned out to be some weird misconfiguration with my intellij+tomcat dev 
environment.


Jason

On 7/26/15 4:03 AM, Martin Grigorov wrote:

Hi,

Register a
http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpSessionListener.html
and print the stacktrace in #sessionCreated(). This way you will see where
HttpServletRequest#getSession(true) is being called.
For some reason your web container doesn't recognize old session ids and
creates new sessions.

Martin Grigorov
Freelancer. Available for hire!
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Sun, Jul 26, 2015 at 6:16 AM, Jason Novotny 
wrote:


Hi,

In deploying my wicket 6.2 application I noticed sessions are getting
created like crazy-- I'm using Tomcat and the manager application and after
only a minute, there are over 6000 sessions(!) and oddly I only navigated
to the page once(!). Any ideas on where I can debug this to determine where
these sessions keep getting created?

Thanks, Jason



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wicket creating tons of sessions

[Jason Novotny]

Hi,

In deploying my wicket 6.2 application I noticed sessions are getting 
created like crazy-- I'm using Tomcat and the manager application and 
after only a minute, there are over 6000 sessions(!) and oddly I only 
navigated to the page once(!). Any ideas on where I can debug this to 
determine where these sessions keep getting created?


Thanks, Jason


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wicket authroles 6.X and obtaining logged in users

[Jason Novotny]

Hi,

We're using wicket authroles 6.X and I'm trying to figure out how I can 
determine all the logged in users and then log them out.


Thanks, Jason

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wicket-annotations and page mounting

[Jason Novotny]

Hi,

I'm using wicket-annotations and I've added:

newAnnotatedMountScanner().scanPackage("com.foo.web.pages").mount(this);

in my Application class.

My page classes all have:

@MountPath(value ="summary")

However, I want to adjust the pages to not use query parameters like &account=5 
and use / like account/5 instead.

Is there a way to set this across the app, just like scanPackage, or do I have 
to set this on each page in my application?

I'm using latest Wicket 6.

Thanks, Jason

Re: ajax events and manipulating DOM

[Jason Novotny]

Ok, to answer my own question, it was a jquery/javascript issue. Instead 
of removing dom, the approach that works is to use appendTo instead:


$('.actionbuttons').appendTo('.btns');

Jason

On 11/14/14, 6:13 PM, Jason Novotny wrote:

Hi,

I'm using jquery datatables which allows customization of table header 
by creating html in javascript via "dom" attribute which creates a div :


$('#datatable').dataTable({

 "dom": '<"top"<"dropholder"><"postpone"><"btns"><"holder"ip>>t',
 "language": {
 "info": "_START_-_END_ of _TOTAL_",
 "search": ""
 },
 "aaSorting": [],
 "aoColumnDefs": [
 {'bSortable': false, 'aTargets': [ 0, 4, 7 ] }
 ],
 'iDisplayLength': 12
 });
$('.btns').html('Send');

However I need these buttons to be server-side actions.

My naive solution was to create additional wicket links on the page:


 Cancel
 Send

and then at the top of my page:


 $(function() {
updateDataTable();  
 });

where I have

function updateDataTable() {
$('#datatable').dataTable({

 "dom": '<"top"<"dropholder"><"postpone"><"btns"><"holder"ip>>t',
 "language": {
 "info": "_START_-_END_ of _TOTAL_",
 "search": ""
 },
 "aaSorting": [],
 "aoColumnDefs": [
 {'bSortable': false, 'aTargets': [ 0, 4, 7 ] }
 ],
 'iDisplayLength': 12
 });

 var html = $('.actionbuttons').html();

 $('.btns').html(html);
 $('.actionbuttons').remove();
}
}

However, the send button when clicked needs to refresh the panel with 
an updated data table. So I have:


add(newAjaxSubmitLink("send") {
 @Override
 protected voidonSubmit(AjaxRequestTarget target, Form form) {
 container.addOrReplace(createDataTable());
target.add(container);
target.appendJavaScript("updateDataTable()");

}
});

Now this works the first time when the page loads. It removes the DOM 
section with wicket-ized links to the DOM section of the datatable. 
Clicking "send" results in an updated table. However, when I click 
"send" again, although the display looks good and it has replaced the 
DOM, the links seem to have no events associated and it doesn't do 
anything. I wonder if a disconnect is going on with the wicket event 
registration...


Is there a better way to do this, or am I missing something?

Thanks, Jason

ajax events and manipulating DOM

[Jason Novotny]

Hi,

I'm using jquery datatables which allows customization of table header 
by creating html in javascript via "dom" attribute which creates a div :


$('#datatable').dataTable({

"dom": '<"top"<"dropholder"><"postpone"><"btns"><"holder"ip>>t',
"language": {
"info": "_START_-_END_ of _TOTAL_",
"search": ""
},
"aaSorting": [],
"aoColumnDefs": [
{'bSortable': false, 'aTargets': [ 0, 4, 7 ] }
],
'iDisplayLength': 12
});
$('.btns').html('Send');


However I need these buttons to be server-side actions.

My naive solution was to create additional wicket links on the page:


Cancel
Send


and then at the top of my page:


$(function() {
updateDataTable();  
});


where I have

function updateDataTable() {

$('#datatable').dataTable({

"dom": '<"top"<"dropholder"><"postpone"><"btns"><"holder"ip>>t',
"language": {
"info": "_START_-_END_ of _TOTAL_",
"search": ""
},
"aaSorting": [],
"aoColumnDefs": [
{'bSortable': false, 'aTargets': [ 0, 4, 7 ] }
],
'iDisplayLength': 12
});

var html = $('.actionbuttons').html();

$('.btns').html(html);
$('.actionbuttons').remove();

}
}

However, the send button when clicked needs to refresh the panel with an 
updated data table. So I have:


add(newAjaxSubmitLink("send") {
@Override
protected voidonSubmit(AjaxRequestTarget target, Form form) {
container.addOrReplace(createDataTable());
target.add(container);
target.appendJavaScript("updateDataTable()");

}
});


Now this works the first time when the page loads. It removes the DOM 
section with wicket-ized links to the DOM section of the datatable. 
Clicking "send" results in an updated table. However, when I click 
"send" again, although the display looks good and it has replaced the 
DOM, the links seem to have no events associated and it doesn't do 
anything. I wonder if a disconnect is going on with the wicket event 
registration...


Is there a better way to do this, or am I missing something?

Thanks, Jason

Re: wicket + jsessionid and 302 issues

[Jason Novotny]

Hi,

I figured more detailed config info would be helpful. I want my 
production app to be accessible via https only. The connection is SSL to 
our Apache load balancer which is then http to our Tomcat7 instance.

The Tomcat 7 connector is default:

 

Just not sure how to config the web.xml or if my tomcat config needs 
changing.


Thanks, Jason

On 11/12/14, 1:40 PM, Jason Novotny wrote:

Hi wicketeers,

I was hoping to get rid of the jsessionid that appears in the 
browsewr bar when running my wicket app under Tomcat 7, and I added 
the following to web.xml:



30
COOKIE


However, now in production we get all these 302 redirects which are 
causing an infinite recursion. What is the best way to handle this? I 
also found a wiki page 
https://cwiki.apache.org/confluence/display/WICKET/SEO+-+Search+Engine+Optimization 
but wasn't sure if this also applied to using Wicket 6.


Thanks, Jason



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wicket + jsessionid and 302 issues

[Jason Novotny]

Hi wicketeers,

I was hoping to get rid of the jsessionid that appears in the 
browsewr bar when running my wicket app under Tomcat 7, and I added the 
following to web.xml:



30
COOKIE


However, now in production we get all these 302 redirects which are 
causing an infinite recursion. What is the best way to handle this? I 
also found a wiki page 
https://cwiki.apache.org/confluence/display/WICKET/SEO+-+Search+Engine+Optimization 
but wasn't sure if this also applied to using Wicket 6.


Thanks, Jason

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wicket6 + sso and redirects

[Jason Novotny]

Hi,

I'm adding support to my application use SSO outbound from my webapp to 
an Identity provider (IP) to authenticate a user from my webapp to an 
external web application.


I have SSO code and the steps involved on my page are:

1. send redirect to

https://www.3rdparty.com?authnReqRedirectUrl=myurl

where myurl is a wicket page e.g. /sso

2. Now the wicket page at /sso should receive a SAMLRequest parameter, 
which is then used to create a SAMLResponse


3. The SAMLResponse should be posted back to the 3rd party thru a form:






I believe the form can be auto-submitted thru javascript:


window.onload = function () {
document.forms[0].submit();
}


And then the user should land on the 3rdparty web application.

So basically my question is how do I do step 1, I'm using wicket6 and tried:

add(new AjaxLink("test") {
@Override
public void onClick(AjaxRequestTarget target) {
throw new 
RedirectToUrlException("https://thirdparty.com?authnReqRedirectUrl=https://mysite.com/sso";);

}
});


But seems that it doesn't return to my wicket page mounted at /sso. Am I 
doing this right?


Thanks, Jason



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Re: jquery DataTable + wicket Cannot bind a listener

[Jason Novotny]

Hi Martin,

Are there examples? What about this simple piece of code...

WebMarkupContainer tbody = new WebMarkupContainer("tbody");
tbody.add(new AjaxEventBehavior("onclick") {
@Override
protected void onEvent(AjaxRequestTarget target) {

}

protected void updateAjaxAttributes(AjaxRequestAttributes 
attributes) {

super.updateAjaxAttributes(attributes);
attributes.setChildSelector("td");
// TODO what do i do here?
}
});


Thanks, Jason

On 10/28/14, 1:10 AM, Martin Grigorov wrote:

Hi,

You should read about JavaScript event delegation. This is what they
recommend.

Wicket has basic support for this
with org.apache.wicket.ajax.attributes.AjaxRequestAttributes#setChildSelector.
I.e. you can register an Ajax behavior on the table or tbody and use
childSelector to "listen" for events only on specific children, e.g. 'tr',
'td', 'td div', etc.

This is more lightweight than using Wicket's built-in AjaxLink, but it is
also a bit more complex for you as an application developer.

Good luck!


Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Mon, Oct 27, 2014 at 8:37 PM, Jason Novotny 
wrote:


Hi Martin,

Thanks for the help-- I've reached out to them, the js appears pretty
complex
http://cdn.datatables.net/1.10.3/js/jquery.dataTables.js


They indicate that listeners need to be added according to:
http://www.datatables.net/examples/advanced_init/events_live.html

Is there any kind of "mode" in wicket possibly that would preserve the
listeners in this way?

Thanks, Jason


On 10/26/14, 11:40 PM, Martin Grigorov wrote:


Hi,

Try with Ajax loading of the new pages.

I am not sure how DataTables removes and re-adds the rows later. It should
use jQuery's clone(true, true) to preserve the event bindings. Ask in
their
forums.

Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Sun, Oct 26, 2014 at 12:46 AM, Jason Novotny 
wrote:

  I've managed to figure out the cause of the problem but no solution.

jquery datatables removes DOM elements when configured for pagination.
This means the AjaxLinks in my listview generate wicket javascript like:

Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-0-
detailsLink","e":"click","c":"
detailsLinkff"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-1-
detailsLink","e":"click","c":"
detailsLink100"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-2-
detailsLink","e":"click","c":"
detailsLink101"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-3-
detailsLink","e":"click","c":"
detailsLink102"});;
...


If the table has 2 pages, it removes the DOM elements from the 2nd page
so
I get the wicket debug error  "Wicket.Ajax: Cannot bind a listener for
event "click" on element "elementId" because the element is not in the
DOM"

Now when I hit the link for next page of the table, the DOM has been
updated to reflect the rows, but the javascript events need to be added
again and so the links are broken.

Is there any good way to do this?

Thanks, Jason


On 10/24/14, 1:24 PM, Jason Novotny wrote:

  I should add I'm using Wicket 6.17.

Thanks, Jason

On 10/24/14, 10:47 AM, Jason Novotny wrote:

  Hi,

I'm using latest jquery DataTable with a ListView and in wicket:head of
the page, I initiate the DataTable:

$(function () {
  $('.datatable_executed').dataTable({
  'lengthChange': false,
  'dom': '<"top"<"doc-filter"><"holder"ip>>t',
  "language": {"info": "_START_-_END_ of _TOTAL_"},
  "aaSorting": [],
  'iDisplayLength': 12
  });
  });

It all looks good, however because one of my columns contains
AjaxLinks,
I get an error from my wicket debug window with the following:
"Wicket.Ajax: Cannot bind a listener for event "click" on element
"elementId" because the element is not in the DOM"

The thing is the links seem to actually work on the first page, but
when
I click -> to go to the next page the links don't work. Has anyone
experienced this before or have any idea how I can debug this?

Thanks, Jason




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Re: jquery DataTable + wicket Cannot bind a listener

[Jason Novotny]

Hi Martin,

Thanks for the help-- I've reached out to them, the js appears pretty 
complex

http://cdn.datatables.net/1.10.3/js/jquery.dataTables.js


They indicate that listeners need to be added according to:
http://www.datatables.net/examples/advanced_init/events_live.html

Is there any kind of "mode" in wicket possibly that would preserve the 
listeners in this way?


Thanks, Jason

On 10/26/14, 11:40 PM, Martin Grigorov wrote:

Hi,

Try with Ajax loading of the new pages.

I am not sure how DataTables removes and re-adds the rows later. It should
use jQuery's clone(true, true) to preserve the event bindings. Ask in their
forums.

Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Sun, Oct 26, 2014 at 12:46 AM, Jason Novotny 
wrote:


I've managed to figure out the cause of the problem but no solution.

jquery datatables removes DOM elements when configured for pagination.
This means the AjaxLinks in my listview generate wicket javascript like:

Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-0-detailsLink","e":"click","c":"
detailsLinkff"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-1-detailsLink","e":"click","c":"
detailsLink100"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-2-detailsLink","e":"click","c":"
detailsLink101"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-
executedTransactionPanel-executedListView-3-detailsLink","e":"click","c":"
detailsLink102"});;
...


If the table has 2 pages, it removes the DOM elements from the 2nd page so
I get the wicket debug error  "Wicket.Ajax: Cannot bind a listener for
event "click" on element "elementId" because the element is not in the DOM"

Now when I hit the link for next page of the table, the DOM has been
updated to reflect the rows, but the javascript events need to be added
again and so the links are broken.

Is there any good way to do this?

Thanks, Jason


On 10/24/14, 1:24 PM, Jason Novotny wrote:


I should add I'm using Wicket 6.17.

Thanks, Jason

On 10/24/14, 10:47 AM, Jason Novotny wrote:


Hi,

I'm using latest jquery DataTable with a ListView and in wicket:head of
the page, I initiate the DataTable:

$(function () {
 $('.datatable_executed').dataTable({
 'lengthChange': false,
 'dom': '<"top"<"doc-filter"><"holder"ip>>t',
 "language": {"info": "_START_-_END_ of _TOTAL_"},
 "aaSorting": [],
 'iDisplayLength': 12
 });
 });

It all looks good, however because one of my columns contains AjaxLinks,
I get an error from my wicket debug window with the following:
"Wicket.Ajax: Cannot bind a listener for event "click" on element
"elementId" because the element is not in the DOM"

The thing is the links seem to actually work on the first page, but when
I click -> to go to the next page the links don't work. Has anyone
experienced this before or have any idea how I can debug this?

Thanks, Jason





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Re: jquery DataTable + wicket Cannot bind a listener

[Jason Novotny]

I've managed to figure out the cause of the problem but no solution.

jquery datatables removes DOM elements when configured for pagination. 
This means the AjaxLinks in my listview generate wicket javascript like:


Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-executedTransactionPanel-executedListView-0-detailsLink","e":"click","c":"detailsLinkff"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-executedTransactionPanel-executedListView-1-detailsLink","e":"click","c":"detailsLink100"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-executedTransactionPanel-executedListView-2-detailsLink","e":"click","c":"detailsLink101"});;
Wicket.Ajax.ajax({"u":"./executed?7-1.IBehaviorListener.0-container-executedTransactionPanel-executedListView-3-detailsLink","e":"click","c":"detailsLink102"});;
...


If the table has 2 pages, it removes the DOM elements from the 2nd page 
so I get the wicket debug error  "Wicket.Ajax: Cannot bind a listener 
for event "click" on element "elementId" because the element is not in 
the DOM"


Now when I hit the link for next page of the table, the DOM has been 
updated to reflect the rows, but the javascript events need to be added 
again and so the links are broken.


Is there any good way to do this?

Thanks, Jason

On 10/24/14, 1:24 PM, Jason Novotny wrote:


I should add I'm using Wicket 6.17.

Thanks, Jason

On 10/24/14, 10:47 AM, Jason Novotny wrote:

Hi,

I'm using latest jquery DataTable with a ListView and in wicket:head 
of the page, I initiate the DataTable:


$(function () {
$('.datatable_executed').dataTable({
'lengthChange': false,
'dom': '<"top"<"doc-filter"><"holder"ip>>t',
"language": {"info": "_START_-_END_ of _TOTAL_"},
"aaSorting": [],
'iDisplayLength': 12
});
});

It all looks good, however because one of my columns contains 
AjaxLinks, I get an error from my wicket debug window with the 
following: "Wicket.Ajax: Cannot bind a listener for event "click" on 
element "elementId" because the element is not in the DOM"


The thing is the links seem to actually work on the first page, but 
when I click -> to go to the next page the links don't work. Has 
anyone experienced this before or have any idea how I can debug this?


Thanks, Jason

Re: jquery DataTable + wicket Cannot bind a listener

[Jason Novotny]

I should add I'm using Wicket 6.17.

Thanks, Jason

On 10/24/14, 10:47 AM, Jason Novotny wrote:

Hi,

I'm using latest jquery DataTable with a ListView and in wicket:head 
of the page, I initiate the DataTable:


$(function () {
$('.datatable_executed').dataTable({
'lengthChange': false,
'dom': '<"top"<"doc-filter"><"holder"ip>>t',
"language": {"info": "_START_-_END_ of _TOTAL_"},
"aaSorting": [],
'iDisplayLength': 12
});
});

It all looks good, however because one of my columns contains 
AjaxLinks, I get an error from my wicket debug window with the 
following: "Wicket.Ajax: Cannot bind a listener for event "click" on 
element "elementId" because the element is not in the DOM"


The thing is the links seem to actually work on the first page, but 
when I click -> to go to the next page the links don't work. Has 
anyone experienced this before or have any idea how I can debug this?


Thanks, Jason




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jquery DataTable + wicket Cannot bind a listener

[Jason Novotny]

Hi,

I'm using latest jquery DataTable with a ListView and in wicket:head of 
the page, I initiate the DataTable:


$(function () {
$('.datatable_executed').dataTable({
'lengthChange': false,
'dom': '<"top"<"doc-filter"><"holder"ip>>t',
"language": {"info": "_START_-_END_ of _TOTAL_"},
"aaSorting": [],
'iDisplayLength': 12
});
});

It all looks good, however because one of my columns contains AjaxLinks, 
I get an error from my wicket debug window with the following: 
"Wicket.Ajax: Cannot bind a listener for event "click" on element 
"elementId" because the element is not in the DOM"


The thing is the links seem to actually work on the first page, but when 
I click -> to go to the next page the links don't work. Has anyone 
experienced this before or have any idea how I can debug this?


Thanks, Jason


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adding wicket generated link to javascript

[Jason Novotny]

Hi,

My designer gave me code where HTML is created in javascript as part of 
a jquery dataTable:



$(document).ready(function() {
$('#datatable').dataTable( {