code: private InvocationMethod tryGetMethod(final InvokerKey key) {
          InvocationMethod invocationMethod = null;
          try {
              invocationMethod = invocationMethods.get(key);
          } catch (Exception ex) {
              LOG.warn("Error fetching method to invoke method {}", key, ex);
          }
  
          return invocationMethod;
      }
docs: Finds the method to invoke without causing an exception.