On Mon, Apr 28, 2008 at 1:20 PM, Martin Homik <[EMAIL PROTECTED]> wrote:
>
> Thanks a lot, uncommenting OpenSessionInViewFilter worked. What is its
> drawback? Why is it commented by default?
It's commented out by default so we can support iBATIS w/o having
different web.xml files.
>
> One more observation. While the OGNL expression 'members.size()' worked in
> both jetty:run and jetty:run-war, the call to the non-property method
> 'membersSize()' was successful only with jetty:run-war. Note, I made a
> mistake in my previous answer: I named the non-property method
> 'getMembersSize()' which is wrong.
>
> Another question: What's wrong with fmt:message when used with jetty:run? My
> latest phrases are not replaced. There is no problem with jetty:run-war.
If you use "jetty:run", you have to run "appfuse:full-source" or
"war:inplace" first so the webapp is packaged in
src/main/webapp/WEB-INF (and underlying directories).
Matt
> Strange.
>
> Martin
>
>
>
>
>
>
> mraible wrote:
> >
> > Have you tried uncommenting the OpenSessionInViewFilter in your web.xml?
> >
> > Matt
> >
> > On Mon, Apr 28, 2008 at 12:11 PM, Martin Homik <[EMAIL PROTECTED]> wrote:
> >>
> >> I actually tried to solve the problem by using OGNL.
> >>
> >> <s:iterator value="myGroups">
> >> Group name: <s:property value="name"/>
> >> Size: <s:property value='members.size()'/> members
> >> </s:iterator>
> >>
> >> In my second attempt, I called a non-property method:
> >>
> >> In JSP:
> >> ...
> >> Size: <s:property value='membersSize()'/> members
> >> ...
> >> In POJO:
> >> @Transient
> >> public int getMembersSize() {
> >> return members.size();
> >> }
> >>
> >>
> >> In both cases I ended up with a LazyInitializationException.
> >>
> >> [seepo] ERROR [btpool0-1] LazyInitializationException.<init>(19) |
> >> failed to
> >> lazily initialize a collection of role: org.seepo.model.Group.members,
> >> no
> >> session or session was closed
> >> org.hibernate.LazyInitializationException: failed to lazily initialize a
> >> collection of role: org.seepo.model.Group.members, no session or session
> >> was
> >> closed
> >>
> >>
> >> Any idea? Your link to the page which describes JSTL functions says that
> >> these functions are for String manipulations. I did not try it, but I
> >> guess,
> >> they won't work with collections, will they?
> >>
> >> Martin
> >>
> >>
> >>
> >>
> >>
> >> mraible wrote:
> >> >
> >> > You should be able to get members.size() if you use OGNL and a
> >> > <s:property> tag. You can also use JSTL functions and the "length"
> >> > function.
> >> >
> >> > http://java.sun.com/j2ee/1.4/docs/tutorial-update2/doc/JSTL8.html
> >> >
> >> > Matt
> >> >
> >> > On Mon, Apr 28, 2008 at 9:16 AM, Martin Homik <[EMAIL PROTECTED]>
> wrote:
> >> >>
> >> >> Problem:
> >> >> * I have a "Group" POJO which keeps a list of its "members"
> >> (ManyToMany
> >> >> relation).
> >> >> * The GroupAction class stores a list of my current groups and it
> >> has a
> >> >> group field for
> >> >> accessing information of a single group. In principle, the
> >> stucture
> >> >> is
> >> >> very similar to the
> >> >> PersonAction of the online tutorial.
> >> >>
> >> >> Question: In the JSP, I iterate through the groups and print some
> >> group
> >> >> information. For each group, I'd like to print the number of
> >> members.
> >> >> How do
> >> >> I get it? Can I access somehow members.size() in the JSP? Or am I
> >> on a
> >> >> completely wrong path?
> >> >>
> >> >> Note: I tried a few things by try-and-error and sometimes I ended up
> >> >> with a
> >> >> Hibernate LazyInitializationException. Now, I just don't know at
> >> what
> >> >> end to
> >> >> continue? Is it something that
> >> >> i) can be solved simply via JSP and some expression, or
> >> >> ii) do I have to do something in the Action class, or
> >> >> iii) does it go further down into the persistence layer?
> >> >>
> >> >> Hope, my mail is not too short and you understand my problem.
> >> >> --
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> >> >>
> >>
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> >> >>
> >> >>
> >> >>
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> >>
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> >>
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