apache/maven · error · DIException

Parameterized method are not supported {}

Error message

Parameterized method are not supported {}

What it means

Error "Parameterized method are not supported {}" thrown in apache/maven.

Source

Thrown at impl/maven-di/src/main/java/org/apache/maven/di/impl/InjectorImpl.java:322

                    if (qualifier != null) {
                        bind(Key.ofType(t), binding);
                    }
                }
            }
        }
        // Bind inner classes
        for (Class<?> inner : key.getRawType().getDeclaredClasses()) {
            boolean hasQualifier = Stream.of(inner.getAnnotations())
                    .anyMatch(ann -> ann.annotationType().isAnnotationPresent(Qualifier.class));
            if (hasQualifier) {
                bindImplicit(inner);
            }
        }
        // Bind inner providers
        for (Method method : key.getRawType().getDeclaredMethods()) {
            if (method.isAnnotationPresent(Provides.class)) {
                if (method.getTypeParameters().length != 0) {
                    throw new DIException("Parameterized method are not supported " + method);
                }
                Object qualifier = ReflectionUtils.qualifierOf(method);
                Annotation scope = ReflectionUtils.scopeOf(method);
                Type returnType = method.getGenericReturnType();
                Set<Class<?>> types = getBoundTypes(method.getAnnotation(Typed.class), Types.getRawType(returnType));
                Binding<Object> bind = ReflectionUtils.bindingFromMethod(method).scope(scope);
                for (Type t : Types.getAllSuperTypes(returnType)) {
                    if (types == null || types.contains(Types.getRawType(t))) {
                        bind(Key.ofType(t, qualifier), bind);
                        if (qualifier != null) {
                            bind(Key.ofType(t), bind);
                        }
                    }
                }
            }
        }
    }

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at impl/maven-di/src/main/java/org/apache/maven/di/impl/InjectorImpl.java:322 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/maven@e4093d4e12 (2026-08-21). Data as JSON: /api/errors/25914f6b4ec46996. Report an issue: GitHub.