Stateless Session EJBs cannot contain a remove() method
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Key: GERONIMO-3452
URL: https://issues.apache.org/jira/browse/GERONIMO-3452
Project: Geronimo
Issue Type: Bug
Security Level: public (Regular issues)
Components: OpenEJB
Affects Versions: 2.0.x
Environment: Windows XP SP2
Reporter: Aman Nanner
Fix For: 2.0.x, 2.1
We have a stateless session bean that contains a "remove(...)" method that
takes in a specific type of array as a parameter. It seems that the
EJBObjectProxyHandler confuses this custom business method with the Entity Bean
"remove(...)" method. Once the logic sees that a method called "remove" is
being called, it assumes that it is a "special" method instead of a business
method. Here is a stack trace up to the point where this piece of logic occurs:
{panel}
Thread [http-80-3] (Suspended)
StatelessEjbObjectHandler(EjbObjectProxyHandler)._invoke(Object, Class,
Method, Object[]) line: 62
StatelessEjbObjectHandler(BaseEjbProxyHandler).invoke(Object, Method,
Object[]) line: 320
Jdk13InvocationHandler.invoke(Object, Method, Object[]) line: 49
$Proxy173.remove(FcModelKey[]) line: not available
FCRemoveTest.test() line: 75
....
{panel}
The following code in the EjbObjectProxyHandler looks up the name of the method
from the dispatch table and sees that it is a "special" method name. However,
this really only applies to Entity beans and not Session Beans. Therefore,
case 4 is executed, and the StatelessEjbObjectHandler.remove(...) method is
called, which is empty and only returns null.
{code}
Integer operation = (Integer) dispatchTable.get(m.getName());
if (operation == null) {
retValue = businessMethod(interfce, m, a, p);
} else {
switch (operation.intValue()) {
case 1:
retValue = getHandle(m, a, p);
break;
case 2:
retValue = getPrimaryKey(m, a, p);
break;
case 3:
retValue = isIdentical(m, a, p);
break;
case 4:
retValue = remove(interfce, m, a, p);
break;
case 5:
retValue = getEJBHome(m, a, p);
break;
case 6:
retValue = getEJBLocalHome(m, a, p);
break;
default:
throw new RuntimeException("Inconsistent internal
state");
}
}
return retValue;
{code}
We have not run into this problem with JBoss and Weblogic. I do not believe
having a method called "remove" on a Stateless Session bean is in violation of
any spec, so this should work.
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