I just recently started my first Hibernate/Tapestry project and - to
make the learning curve even a bit steeper - added Springframework to
it, which was new to me too. I'm sure I'm only scratching the surface
of Springframework for now, but it works well for the problem you've
described. I had to invest maybe 1 additional day to integrate it.
Cheers,
Will
On 28.07.2005, at 21:52, Chris Chiappone wrote:
I have been developing an application using tapestry 3.0.3 and
hibernate 3.0.2. Took a while to get everything working correctly,
and learning both of the frameworks. I have a decent amount of the
application written and now am running into
LazyInitializationException in certain places. Its strange because I
can't expain why I get the exception and other times I don't.
I've read that using the Spring Framework would fix this problem, but
wonder if its worth learning another framework and trying to integrate
it into my application. I'm on a deadline and this may just take to
long. I've also extended BaseEngine to do this trying to relieve my
problem:
protected void cleanupAfterRequest(IRequestCycle cycle) {
try {
HibernateUtil.commitTransaction();
if (killSession) {
try {
HttpSession session =
cycle.getRequestContext()
.getSession();
if (session != null) {
log.info("Logging out
user.");
session.invalidate();
}
} catch (IllegalStateException ex) {
// Ignore.
}
}
} catch (NestedRuntimeException nre) {
} finally {
HibernateUtil.closeSession();
}
}
Yet I still run into this exception:
Unable to resolve expression 'currentCompany.name' for
[EMAIL PROTECTED]
binding: ExpressionBinding[EditProfile currentCompany.name]
location: context:/WEB-INF/EditProfile.page, line 41, column 65
ognl.OgnlException
name
org.hibernate.LazyInitializationException
could not initialize proxy - the owning Session was closed
messages: [Ljava.lang.String;@cdf872
throwableCount: 1
throwables: [Ljava.lang.Throwable;@7227a8
Stack Trace:
org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInit
ializer.java:53)
org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractL
azyInitializer.java:84)
org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer
.java:134)
domain.company.Company$$EnhancerByCGLIB$$f029e618.getName(<generated>)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja
va:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso
rImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
Is there anything else I should try. Or is the spring framework the
way to go. If so is it easy to integrate into an existing
applicatoin? Thanks.
--
~chris
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