I believe that the ClassNotFound exceptions are limited to when Jasper
(the Tomcat JSP engine) calls out to javac to compile the JSP - when the
code actually runs in JBoss/Tomcat, the interface classes are loaded
from the EJB-jar's classloader. Not that this helps you make a portable
ear...
-danch
Matthew Devaney wrote:
> The documentation for weblogic, as shown at:
> http://e-docs.bea.com/wls/docs60/ejb/EJB_deployover.html
> .. talks about the class loader issues I mentioned, in particular the
> section on Diagnosing ClassCastException errors it states:
> "To correct such ClassCastException errors, EJB and servlet developers
> must ensure that no two classloaders ever load an identical class.
> Specifically, you should always ensure that EJB classes reside only in the
> deployed EJB .jar file or EJB directory, and that they are not included in
> other EJB .jar files or classpath definitions."
>
> If we assume that EJB classes includes the interfaces, and take into account
> the fact it talks about servlets and this particular error in the lines
> immediatly above.. my reading of it is that it's saying don't include EJB
> classes in the web app either.. (Although if someone thinks I'm
> misinterpreting, I'm more than happy to believe that given a reasonable
> reason :)
>
> Any thoughts?
> .Matt
>
>> -----Original Message-----
>> From: Allen fogleson [mailto:[EMAIL PROTECTED]]
>> Sent: 18 June 2001 14:51
>> To: [EMAIL PROTECTED]
>> Subject: Re: [JBoss-user] quick tutorial
>>
>>
>> Hmmm well I think you could include them in the lib directory, it isnt
>> platform independent then, but it should work in JBoss. (I
>> havent tested
>> that)
>>
>> Those classes do have to be available to the client, be it an
>> application
>> client or a web client, so they should be in the war file. I
>> deployed the
>> example on weblogic 6 and didnt get any errors, I havent
>> tested any other
>> containers though.
>>
>> Al
>>
>> ----- Original Message -----
>> From: Matthew Devaney <[EMAIL PROTECTED]>
>> To: <[EMAIL PROTECTED]>
>> Sent: Monday, June 18, 2001 7:25 AM
>> Subject: RE: [JBoss-user] quick tutorial
>>
>>
>>
>>> Hi,
>>> Thanks for the example Al, but is there anyway to get it working
>>
>> without
>>
>>> including the ejb home and remote classes inside the WAR file?.
>>>
>>> The reason for wanting to do this is that I've been given
>>
>> to understand
>> that
>>
>>> doing so can cause class loader exceptions when using the
>>
>> ear file in
>> other
>>
>>> containers. This is due to the container trying to load the
>>
>> same class
>> twice
>>
>>> (once from the EJB, once from the war file)
>>>
>>> So far my attempts at something like this at JBoss 2.2.2
>>
>> have all met with
>>
>>> classNotFound exceptions within the jsp page during compile
>>
>> time - however
>>
>>> it seemed to work without problems at JBoss 2.2.1.
>>>
>>> Thanks,
>>> Matt
>>>
>>>
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