NoSuchMethodError in findMethodInfo(__methodSig) in ejbc generated code

Hi All,
Happy new year!
Does anyone know when weblogic.ejbc calls "findMethodInfo(__methodSig)" in its
generated "*HomeImpl.java" classes?
This is causing my code to end in a NoSuchMethodError exception.
The generated code for the included beanManaged.AccountHome does not include this
call, while the code generated for my code does.
Can anyone tell me why?
Anyone from the Weblogic people?
Thanks,
Boogie

boogie wrote:
Rob Woollen <[email protected]> wrote:
boogie wrote:
Thanks for the reply, Rob.
So the "findMethodInfo()" is caused by the presence of multiple interfacesat
compile time.It's probably caused because ejbc generates code for version 1 of your
interface
but you then deploy a jar that loads version 2 of your interface.
<boogie>
i'm using the same interface. however, at compile time, the interface is both
on the classpath (since i've just compiled it) and in the pre-ejbc jar file (which
i'm passing to weblogic.ejbc).If it's in the classpath and in the ejb.jar, then ejbc finds the version in the classpath and
generates code against it.
from what you've said, i gather this is why ejbc
puts in a "findMethodInfo()" call in the --HomeImpl.java files that it generates.
</boogie>
<boogie>
SCENARIO 1: I use my build script.
condition: the home interface is found and compiled, the EJB classes placed in
a temporary jar file, then passed to EJBC (with -keepgenerated flag)
output: the generated MyBeanHomeImpl.java calls "findMethodInfo()" and i get NoSuchMethodError
exception at runtime
If the version in the classpath and the version in the jar file were exactly the same, then ejbc
would run fine. It fails when they are different. ejbc is generating code for a method that
appears in the version that it is loading.
-- Rob
>
SCENARIO 2: I manually build.
condition: i jar the files manually, pass the jar to weblogic.ejbc (with -keepgenerated)
without specifying a classpath; the current classpath doesn't include the compiled
home interface;
output: the generated MyBeanHomeImpl.java doesn't call "findMethodInfo()", code
runs as expected
SO, i need to build with scenario 1 AND still make it run at runtime. i don't
have multiple copies of the EJB classes/interfaces at deployed or in the classpath
runtime, but i keep getting the NoSuchMethodError exception because of the "findMethodInfo()"
call that weblogic.ejbc insists on making. what can I do to solve this problem?
thanks!
really appreciate the help!
</boogie>
-- Rob
Rob Woollen <[email protected]> wrote:
There's some sort of mis-match between the interfaces that ejbc is
finding
(and
generating code for) and the interfaces being deployed.
I would check your classpath and remove all occurrences of the homeinterface
class. It should only be in the jar file. Then re-run weblogic.ejbc
-- Rob
Boogie wrote:
Hi All,
Happy new year!
Does anyone know when weblogic.ejbc calls "findMethodInfo(__methodSig)"in its
generated "*HomeImpl.java" classes?
This is causing my code to end in a NoSuchMethodError exception.
The generated code for the included beanManaged.AccountHome does
not
include this
call, while the code generated for my code does.
Can anyone tell me why?
Anyone from the Weblogic people?
Thanks,
Boogie

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