I'm playing around with different approaches to dealing with isolated EARs, and
I get this error when:
a) I've scoped the classloader for the EAR:
<jboss-app>
<loader-repository>
Cyrus.classloading:loader=application registry
<loader-repository-config>
java2ParentDelegation=true
</loader-repository-config>
</loader-repository>
</jboss-app>
b) set JNDI to call-by-value (so the EJB home object is deserialized into the
clients classloader context)
c) NOT enforced call-by-value on the EJB
I've tried one approach to enforcing call-by-value for the EJB, which makes
everything work (as you would expect!). This is to change the standardjboss.xml
invoker-proxy-binding to always use the marshalling invoker.
When I try setting ...<call-by-value>true</call-by-value>... in the EJBs
jboss.xml instead of the proxy binding solution it doesn't seem to help. I'm
trying to look up more info on the call-by-value attribute i.e. does it affect
the EJB's client invoker stack or does it affect the EJB's calls out to other
beans?
Anyway, I think that although the wiki and documentation covers the
configuration of the classloading well, with good discussion of the issues, it
is a bit confusing how and where you need to do semi-detyping using
serialization to bridge the different classloaders. There seem to be several
ways of doing this but its a bit difficult to figure out the 'best' way. Or
perhaps I've got the wrong end of the stick...
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http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3877453#3877453
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http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=3877453
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