code: public Object invokeProceed(EJSDeployedSupport s, Method businessMethod, Object bean, Object[] methodParameters, boolean parametersModified) throws Exception {
          final boolean isTraceOn = TraceComponent.isAnyTracingEnabled(); // d532639.2
  
          if (isTraceOn && tc.isEntryEnabled())
              Tr.entry(tc, "EJBinvokeProceed(" + s.methodId + ":" +
                           s.methodInfo.getMethodName() + ")");
  
          if (parametersModified) {
              s.ivEJBMethodArguments = methodParameters;
  
              if (doesJaccNeedsEJBArguments(null) && s.ivSecurityCollaborator != null) {
                  // JACC parameter checking is enabled and SecurityCollaborator preInvoke was
                  // called and atleast one of the business method parameter was modified by an
                  // around invoke interceptor. Inform SecurityCollaborator of this change so
                  // that it can notify JACC provider of the parameter change.
                  if (isTraceOn && tc.isDebugEnabled())
                      Tr.debug(tc, "invoking EJBSecurityCollaborator.argumentsUpdated");
                  notifySecurityCollaboratorArgumentsUpdated(s.ivSecurityCollaborator, s);
              }
          }
  
          // If no exeception is thrown by security, then it is okay to invoke the business method.
          Object returnValue = businessMethod.invoke(bean, methodParameters);
          if (isTraceOn && tc.isEntryEnabled()) {
              StringBuilder sb = new StringBuilder();
              sb.append("EJBinvokeProceed(").append(s.methodId).append(":");
              sb.append(s.methodInfo.getMethodName()).append(") returning ");
              if (returnValue == null) {
                  sb.append("null");
              } else {
                  sb.append(returnValue.getClass().getName());
                  sb.append("@").append(returnValue.hashCode());
              }
  
              Tr.exit(tc, sb.toString());
          }
          return returnValue;
      }
docs: LIDB3294-41