@Gavin: This thread, page three, two posts by bfo81 on Dec 1st :).
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Gavin? If you got a minute could you tell me if my assumptions in my two posts
from Dec 1 are correct? I'd be happy to have some more knowledge about that
stuff ;).
Thx
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http:
The Extended Persistence Context only says, that the entities "live" in the
managed state for multiple method invocations, in opposition to the "normal"
Persistence Context, in which the entities get detached after a method has
finished.
Transactions are completely indepent from that. And alway
Sorry for my late answer :).
Those transactions are independent from each other. But step by step:
During the existence of an Extended Persistence Context there can be multiple
Java Transactions (JTA).
And each Java Transaction will encapsulate write accesses to the database in a
database tran
Hm... maybe the problem is caused by something else. I found another exception
some lines above in the log.
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
|at java.lang.String.substring(String.java:1768)
|at
org.jboss.seam.jsf.AbstractSeamPhaseListener.select
Yes, I'm back *g*.
Simplified scenario: I'm using a template for data tables listing entities with
an edit link at the end of each row. The concrete list entries and the editor
bean are put into the template via ui-params.
The list template:
|
|
Well, there are many useful Tomahawk components that I do not want to miss
anymore (e.g. t:inputFileUpload or t:column). But there are even many sloppy
components or code parts.
E.g. the schedule component supports a lot of custom style classes (as per API)
but the corresponding attributes are
I'll give it a try. Thank you ;)
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Tomahawk has (as well as Sandbox) dependencies on MyFaces. So it's mandatory to
have a up to date version.
I even had to upgrade both Sandbox and Tomahawk to 1.1.5 in order to make the
schedule component work.
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Is there a a possibility (e.g. meta attributes in html header) to force the
browser to reload any page?
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Yes, found the solution :)
| Ajax4jsf Filter
| ajax4jsf
| org.ajax4jsf.Filter
|
| forceparser
| false
|
|
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Another huge bunch of s...uper nice probs with AJAX4JSF. It screws up my
DOCTYPE definition as it automatically adds to the top of
any processed document and displaces the doctype definition downwards. And
since Internet Explorer only parses the very first line for a doctype it falls
back to qu
Have you experience with AJAX4JSF?
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Show the exception. I'm using s:validateAll and it works great.
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@Scope(ScopeType.SESSION)
| @Name("whateverConverter")
| @Interceptors(SeamInterceptor.class)
|
| public class WhateverConveter implements Converter, Serializable {
|
| @In(create=true)
| private EntityManager em; //Hint: There needs to be an "em" in your
components.xml,
I think via @In(value="#{myComponents}"). Like that it's possible to inject
non-Seam-components.
I don't know if you can uses an index number to access array elements. Try it
out. But I'd suggest that you use ui:repeat or h:dataTable instead in order to
iterate over all elements.
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btw: What exactly is this lifecycle bug? Read much of it, but didn't understand
it yet *g*
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I didn't say you CANNOT use DAOs anymore. I just said you CAN leave them out
(in many cases).
Look at the AppFuse framework (Spring + Hibernate):
- Entity class
- DAO interface
- DAO implementation
- Manager interface
- Manager implementation
- Backing bean for presentation layer
*dh*
Same
That's just a mapping. Usually you have .xhtml files, but in the web.xml you
say that the web server shall simulate another extension.
In traditional JSF it's often like that:
Original file: whatever.jsp
Acessible via: whatever.faces or faces/whatever (those are two often used ways)
Got the idea
It works. That's what this thread is about. Maybe you should open a new one and
explain your problem in detail.
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You're right. I tried out a lot with regions, too, but somehow I misunderstood
you completely. But ok, the problem is that I first didn't catch at all what
regions are good for ;). Thanks again for your help, though I was to dumb to
adapt it *g*.
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By default yes. The data is only stored in memory. So all your bookings get
lost. The hotels are only still there cause they are created upon starting the
server. There's a file called import.sql that contains the hotels ;).
But there is a possibility to save the data on the disk instead. I'm no
And the logfile? Nothing? I had a similar situation, but I think with something
else (Tobago maybe).
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Is there an exception? Or does just nothing happen?
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jbo
For the sake of completeness:
During serialization all properties of an object get serialized. Therefor they
need to implement the interface Serializable.
If they don't, then you need to make them "transient". Like this they are
omitted during serialization and get re-injected after deserializa
I must confess I don't know exactly what this tag does *g*. Do you have an
entry for dojoInitializer in your tomahawk-sandbox(or a name like
that).taglib.xml?
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I finally found the solution (or let's say wcasatti from Exadel forum told me
how to do it right):
With the a4j:region tag you can define which components shall be decoded during
the JSF lifecycle. This is where the language barrier was a problem for me
since didn't understand that "decode" mea
I thought it would be more difficult (I remember some thread here where one had
problems with a select menu). Thanks for your tip ;).
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Hm... that's a little like programming against interfaces or not. If you do so,
then you can easyly switch the implementation, but you have more "overhead"
code and files. And here your @In annotation "grows", though it's only some
chars. But I always intend to have the smallest and simplest cod
How do you handle select items? Does it work? If yes could you give me a short
extract of your code? I'm really a little exhausted and I'd be very thankful if
you could save my weekend :).
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You can leave out that stuff in the brackets since its exactly the same like
the property name. You only need to explicitely type it in when the property's
name differs from the request parameters name ;).
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@Stateful
| @Scope(ScopeType.CONVERSATION) //I think this is the default scope so you
might leave it out
| @Name("...")
| public class WhateverBean implements Whatever, Serializable {
|
| @In(required=false) //should be initially created in here
| @Out
| private AnEntity
Sorry, but if you use JSP this might be correct. But for Facelets you do
defintely need an extra *.taglib.xml file plus an entry in the web.xml
referencing that file.
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http://w
That's an interesting approach. One can invoke an action in the a4j:support tag
and via immediate="true" it gets executed during APPLY_REQUEST_VALUES - so this
would be possible. But yes, it is weird and I refrain from using this *brrr* ;).
I even tried out a4j:region and multiple other tags, bu
Seam still uses a 3-layered architecture. Ok, it breaks with traditional J2EE
patterns like DAOs and stuff. But hey, this is called "progress". You do not
need this fat old architecture paradigmas. Keep your code small, simple and
maintainable. Seam enables you to do so ;).
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CVS and production? Not an easy marriage...
But thanks for the answer ;).
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Thanks for your answer. But the PC only exists during editing one single entity
(in a conversation), so I think it's ok... it works without problems ;).
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First of all: Yes I know, this isn't a pure Seam topic and it usually doesn't
belong here. BUT
1. There are 2 weeks left for me to solve this single issue. If I don't suceed
I'll have to fallback to static stuff :(. have mercy with me ;).
2. The Exadel forum is quite empty, and the forum here is
@denis-karpov:
You mean, something like this does fail?:
template (common stuff like the form or action buttons)
|
|
|
| <... save, delete and cancel button >
|
|
|
concrete input fields
|
|
|
|
|
I can only say that t
Ok, found out that "hosed" is it slang and means "broken" ;).
However...
@Gavin, could you explain me why using setRollbackOnly() causes isn't good for
the PersistenceContext?
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So the dir tomcat55.sar/jsf-lib gets completely useless as soon as you switch
the JSF implementation?
Silly question by me *g*: where to put common jars then if you don't want to
deploy them with every app? The "normal" lib dir didn't work.
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Die you have this problem:
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=90343(Exception "Local
server is not initialized)?
If yes, how did you solve it?
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I tried to deploy my Seam application to "pure" Tomcat 5.5. Of course, I used
"ant deploy.tomcat" instead of "ant deploy", too ;). And I even get that "Local
server is not initialized" exception. I tried some stuff written in the forum
and in a certain wiki, but it still didn't work...
Someone
Gavin, maybe we misunderstood each other. It's important to mention that the
actionMethod above shall perform "complex" validation and then save if
everything is alright.
| @Stateful
| @Scope(CONVERSATION)
| @Name("whateverEditor")
| @TransactionAttribute(TransactionAttributeType.NOT_SU
"Normal" JSF internationalization cannot be used here, and so I think a
converter is a good approach ;).
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"[EMAIL PROTECTED]" wrote : There is one problem with performing validation
during the action phase: if you are using an extended persistence context, you
would prefer to do validation before applying values onto the model object. But
by the time we get to the action method, the values have alre
Thanks for your hints.
But I think I'll give it up (for now). There are too many other problems to
handle with at the moment (JSF Chart Creator doesn't render images, AJAX4JSF
doesn't change the values of SelectMenus correctly, ...) and I'm short of time.
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It would be nicer if the taglib file would be integrated in the jar (like
ajax4jsf or others have it), but for some reason the Tomahawk team decided to
put that "burden" on you (though it's a light one).
However, your step-by-step-howto works perfectly - and that's the important
thing ;).
View
That's a pity. Thanks for your help.
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Many of my beans are annotated like this:
@Stateful
| @Scope(...)
| @TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
| @Conversational(ifNotBegunOutcome="main")
| @Name("...")
Is it possible to create a new annotation that encapsulates all those
annotations? e.g.
@MyBean(scop
You could use ui:repeat and render the html table yourself.
I found a page that could be interesting for you (regarding that "conditional"
row):
http://www.nabble.com/%3Cc:if%3E-block-within-%3Cui:repeat%3E--t1855407.html
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That little object tag shouldn't be a problem (btw. make it xhtml compliant by
using small letters for the tag and its properties and quotes around the
numbers) ;).
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Are ActiveX controls written into HTML code?
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Look at the bottom lines. A simple Java Exception is the root cause for the
error. Have a look at your eu.mpulse.contactes.user.User class and check if
there's something wrong with the public non-argument constructor.
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-+
| | Stefan Berkmiller | bfo81 | Deutschland | Frank Hoyer |
| | | | | Florian Mueller |
| | | | | ... |
| +---+---+-+-+
| | .
Problem here: The dat
better idea for deleteSelected, with a real delete query (that's faster):
Vector idsToDelete = new Vector();
|
| for (Item item: listOfItems)
| if(item.isDelete())
| idsToDelete.add(item.getId());
|
| if (idsToDelete.size() == 0)
| return null;
|
| String ids =
I've already seen an example with a nested table. But the problem is that you
cannot put that nested table in a new ROW, since rows are "connected" only to
the entities you iterate. But you can put a "sub-table" in a COLUMN.
2) I had an idea about your second question. You might add a property d
Well, forget it. There's another problem.
That "complex" validation would work well on an existing person that you edit.
But when you create a new person all its properties are null. And when you fill
in the fields in a form and click save, then the persons properties are still
null during vali
1) You can access the DataModelSelection from another bean or you can pass the
id via request parameter. There are 2 examples in Seam showing both
possibilities: The booking example and the blog example.
2) sry, don't know ;)
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Well, custom validators belong to a real-life JSF web apllication like coffee
to a good start into the day ;).
Let's take an example (there are many occurences of such a situation in my
current app, but I love easy examples *g*):
- Entity Person
- has a n:m relation to multiple other persons (f
I don't think it's necessary to alter jars. Have a look at the way I made it
work ;).
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In a Seam project (or maybe for kinds of EJB projects using Hibernate?) the
database is created during server start (plus import.sql gets imported). This
is an important difference to e.g. AppFuse (Spring + Hibernate), where the
database gets created by an ant task which you have to call explice
RollbackException: Already marked for rollback.
Do you call setRollbackOnly() somewhere in your code?
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anonymous wrote : /WEB-INF/incl/store_nav.jsp @8,62
Check what's invoked at this place of your JSP. That's the point to start
seraching for the reason.
btw: if you have some time I'd like to ask you if you could give us a short
tutorial for using ajax4jsf+seam (if there are any special things to
Not a bill... a bell of course ;).
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Sorry guys, I wanted to post a complete documentation some days ago. I even
typed it in. But somehow I forgot to click the submit button (maybe because I
went to lunch and wanted to read over it again) and due to something else I
really forgot it witched the window tab and must have closed it ac
I uses the Tomahawk calendar and it works fine :). Just follow the manual and
use it ;).
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I think so :).
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anonymous wrote : Seam's whole mission in life is managing your persistence
context across multiple...
Wait? Do you want to say that the Seam Managed Persistence Context is the same
for ALL components?
That would be a difference to @PersistenceContext(type=EXTENDED) as this one
injects a uniqu
No, your stateless bean does not keep the group since it's stateless ;). It
only knows about the group cause it gets injected.
As I said it's quite difficult to GUESS what the problem causes. It would be
better to LOOK at your code ;). But I think that you only call new Group();
once. Or you us
Maybe it's because of the phase. Injection by default only takes part when
beginning the INVOKE_APPLICATION phase. I think the init() method gets called
before the injection and so the EntityManager is null.
Try to annotate the bean with @Intercept(ALWAYS).
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There's something important I forgot to mention:
You might think that a group gets newly created here:
@In(create=true) @Out @Valid
|private Group group;
But that's wrong, it already exists:
org.hibernate.PersistentObjectException: DETACHED (!!) entity
passed to persist:
group
No, he wants to create a new group and uses another group as a template. That's
how I understood it (I hope there's no misunderstanding ;)).
sjmenden, are you sure you read the thread I posted above? It's very important
to understand the 4 states entities can have. If you want to create a new gr
Could it be that the source code of your pages isn't blank? Have a look at it.
If there are a lot of tags the page just didn't get interpreted. This could be
due to using the wrong suffix in the browser, e.g. .xhtml instead of .seam.
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Thanks for the hint, Gavin.
I just read in the reference that the default interception type is
INVOKE_APPLICATION. So by default injected components are null from (1) to (4)
and thy have their correct value only from (5) to (6).
But it's good that you want to change the default behaviour. btw:
em.persist should work. But there are some mistakes in your architecture. If
there is a underlying JSF page that uses the "group" component, you need to
make the bean a Stateful Bean. Furthermore, the PersistenceContext needs to be
EXTENDED. Otherwise the entity will get detached, and that's the
Well, those converter beans are really weird...
In the getAsObject method you might load entities over and over via the em. So
I decided to cache them (I even have a method to check if something is dirty).
Well this cache is a inner class with a HashMap. It works well, entities get
filled into
We're in a Seam component (e.g. Stateful Session Bean) and it's got the
following property:
@In @Out private Whatever property;
>From RESTORE_VIEW(1) till the end of PROCESS_VALIDATIONS(3) the property is
>null.
Then it gets injected before UPDATE_MODEL_VALUES(4) and keeps its state till
the e
There is something important I forgot to say in that conclusion above:
MAKE IT SERIALIZABLE ;)
I did not succeed in running a Seam component converter with an EntityManager
in it without making the class serializable. And I tried all combinations of
scopes and interceptors.
But that is somethi
@c_eric_ray: See Chapter 9.4.2 in the reference ;).
@all: I tried using SLSB as converters some weeks ago. Thanks to js8523's third
post I now know why it doesn't work.
However, JavaBean Seam Components do work. But you have to add an interceptor (
@Interceptors(SeamInterceptor.class) or @Inte
anonymous wrote : note The full stack trace of the root cause is available in
the Apache Tomcat/5.5.17 logs.
Please have a look in your log file to see the whole stuff. The exception shown
here occurs after many different errors, and it provides no real information ;).
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Yep, @NotNull validation WOULD work... if JSF wouldn't skip validation on null
values *g*. That's the reason why I even leave out @NotNull annotations
completely, since I don't think they make sense.
Ok, with them the database field cannot get NULL. But when a field has
required="true" in JSF t
I have an abstract bean that encapsulates common functions (store, delete,
etc.). It also contains some properties like the EntityManager or the Logger,
which are injected. (If you wonder why I want abstract classes, then look at
the DRY thread: http://www.jboss.org/index.html?module=bb&op=viewt
Did you call the xhtml files with xyz.xhtml or xyz.seam?
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You can start nested conversations even without having a parent conversation.
It's just like a normal top-level conversation then.
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If I understood correctly that A, B and C are nested, then the comversations
should be nested, too.
As an example (I'm not sure if this is what you have), let's look at a quiz
(who wants to be a millonaire *g*).
I have an Entity class Question and an Entity class Answer.
Question 1:n Answer
S
Is the User entity bean annotated with @Name("user)?
btw: you've written User=new User() instead of user=new User(). Sure this is
your real code? If not, please copy and paste the whole stuff ;).
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So finally, I found a solution for my problem:
I have a bean that has not only methods writing to the database, but also
provide some other stuff. And I don't want to have auto-flushes after the
latter.
You should prevent EJB from auto-flushing and write to the database explicitely
when you ne
I'm not sure if I understood your question correctly (sorry, German ;)).
| @Stateful
| @Scope(CONVERSATION)
| @Name("whatEver")
| public class WhatEverBean implements WhatEver {
|
| @RequestParameter
| private String someParam;
|
| private String someParamCopy;
|
| @Begin
I tried it, but then every click lead to a redisplay of the current view.
And in addition to that I had version troubles... i.e. I tried several
combinations of Facelets and JSF (including CVS) versions but I always had
miscellaneous exceptions.
It seems like Seam + Tobago cannot be used togeth
Hm... seems like Seam cannot find a component named "inboxEnvelopeSearch"...
just a small idea: Is the InboxEnvelopeSearchBean annotated with
@Name("inboxEnvelopeSearch")? Maybe a typo somewhere?
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This thread might be older, but since I tried it out, had no success and
finally had a conversation with the Tobago developers, I wanted to bump this.
Tobago needs STATE_SAVING_METHOD: server.
Seam needs STATE_SAVING_METHOD: client (especially for conversation scope I
think).
So it seems that b
Hi chuaky,
I would try to use @PersistenceContext without unitName. But I can't say
anything without seeing your configuration. And I must confess that I'm not an
EJB3 expert. I just wanted to write my knowledge down here in order to find out
what's wrong and right and to learn something more (
Request parameters usually are only sent once, namely when there is a
corresponding parameter in the HTTP request. If there are other requests
following with no key parameter, then the variable gets null ;).
So if you want to have that "String key" during the whole conversation, there
are two p
You don't need getters and setters for Seam components (or that's at least what
I learned *g*). Just annotate your property (private User user) with @In and
@Out. And make sure to add required=false or create=true if necessary.
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@NotNull has no effect on validation. And the @Length annotation is only used
when the value is not null.
So you need to add required="true" to your h:inputText to make it work ;).
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That's strange.
http://fisheye.labs.jboss.com/viewrep/JBoss/jboss-seam/src/main/org/jboss/seam/util/Persistence.java?r=MAIN
shows your code. But it doesn't work for me since getDelegate() returns an
instance of org.hibernate.ejb.EntityManagerInstance. So I had to use this:
( (EntityManagerImpl)
Sounds good, too. But: I don't want to use the CVS version since I want to use
Seam in a production environment. I looked at the CVS files, but I don't know
what exactly happens with the new flushMode property of Conversation.java. I
also tried to get the Hibernate session in order to set its fl
I don't think this is the complete exception stacktrace. Please show us the
whole stuff :).
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Could it be that (Seam) FacesMessages can be injected whilst (JSF) FacesMessage
cannot?
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