Please help me:
I met a big problem when I use Struts and EJB together to build a J2EE System.
At first, I used Jboss3+tomcat, I made a war file including all needed files, but
I got a Exception:
java.lang.NoClassDefFoundError: org/apache/struts/action/ActionForm
at java.lang.ClassLoader.defineClass0(Native Method)
¡¡
Then I changed to use Jboss3+Jetty, got the same Exception. But, I find a attibute
in Jetty's jboss-service.xml called "Java2ClassLoadingCompliance", and I
found if I set this to be false, it would work correctly.
I thought this time I could have a good rest, but.... I found my EJBs were
all mad! I can't cast them correctly, I always got ClassCastException when I tried to
narrow the object looked up from JNDI tree. I spent many many time trying to find a
answer, but I thought god must doesn't like me:(
What made me mad is that when I changed the "Java2ClassLoadingCompliance"
attribute back to true, and tried my EJBs from a jsp without Struts, they all worked
well!!!
I did more experiment then, tried to deploy more wars/ears I found from the net,
which are all proved to be able to work well. But, the problem were always
be with me!
I think maybe it because I don't understand classloader mechanism well, maybe
some other reasons. Everyone please help me!
I'm using:
jdk1.4 from sun without any parser from third party.
Windows xp professional
I've tried :
Jboss3.0+tomcat
Jboss3.0.1+tomcat
Jboss3.0+Jetty
Jboss3.0.1+Jetty
with:
Struts1.0.2
Struts1.1.b1
I intend to use:
Jboss3.0.1+Jetty
So, I'm eagering for anybody's help, and thank you all first.
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