Examples with UnsatisfiedDependencyException org.springframework.beans.factory.UnsatisfiedDependencyException used on opensource projects

Example 16 with UnsatisfiedDependencyException

use of org.springframework.beans.factory.UnsatisfiedDependencyException in project spring-framework by spring-projects.

the class ConstructorResolver method instantiateUsingFactoryMethod.

/**
	 * Instantiate the bean using a named factory method. The method may be static, if the
	 * bean definition parameter specifies a class, rather than a "factory-bean", or
	 * an instance variable on a factory object itself configured using Dependency Injection.
	 * <p>Implementation requires iterating over the static or instance methods with the
	 * name specified in the RootBeanDefinition (the method may be overloaded) and trying
	 * to match with the parameters. We don't have the types attached to constructor args,
	 * so trial and error is the only way to go here. The explicitArgs array may contain
	 * argument values passed in programmatically via the corresponding getBean method.
	 * @param beanName the name of the bean
	 * @param mbd the merged bean definition for the bean
	 * @param explicitArgs argument values passed in programmatically via the getBean
	 * method, or {@code null} if none (-> use constructor argument values from bean definition)
	 * @return a BeanWrapper for the new instance
	 */
public BeanWrapper instantiateUsingFactoryMethod(final String beanName, final RootBeanDefinition mbd, final Object[] explicitArgs) {
    BeanWrapperImpl bw = new BeanWrapperImpl();
    this.beanFactory.initBeanWrapper(bw);
    Object factoryBean;
    Class<?> factoryClass;
    boolean isStatic;
    String factoryBeanName = mbd.getFactoryBeanName();
    if (factoryBeanName != null) {
        if (factoryBeanName.equals(beanName)) {
            throw new BeanDefinitionStoreException(mbd.getResourceDescription(), beanName, "factory-bean reference points back to the same bean definition");
        }
        factoryBean = this.beanFactory.getBean(factoryBeanName);
        if (factoryBean == null) {
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "factory-bean '" + factoryBeanName + "' (or a BeanPostProcessor involved) returned null");
        }
        if (mbd.isSingleton() && this.beanFactory.containsSingleton(beanName)) {
            throw new ImplicitlyAppearedSingletonException();
        }
        factoryClass = factoryBean.getClass();
        isStatic = false;
    } else {
        // It's a static factory method on the bean class.
        if (!mbd.hasBeanClass()) {
            throw new BeanDefinitionStoreException(mbd.getResourceDescription(), beanName, "bean definition declares neither a bean class nor a factory-bean reference");
        }
        factoryBean = null;
        factoryClass = mbd.getBeanClass();
        isStatic = true;
    }
    Method factoryMethodToUse = null;
    ArgumentsHolder argsHolderToUse = null;
    Object[] argsToUse = null;
    if (explicitArgs != null) {
        argsToUse = explicitArgs;
    } else {
        Object[] argsToResolve = null;
        synchronized (mbd.constructorArgumentLock) {
            factoryMethodToUse = (Method) mbd.resolvedConstructorOrFactoryMethod;
            if (factoryMethodToUse != null && mbd.constructorArgumentsResolved) {
                // Found a cached factory method...
                argsToUse = mbd.resolvedConstructorArguments;
                if (argsToUse == null) {
                    argsToResolve = mbd.preparedConstructorArguments;
                }
            }
        }
        if (argsToResolve != null) {
            argsToUse = resolvePreparedArguments(beanName, mbd, bw, factoryMethodToUse, argsToResolve);
        }
    }
    if (factoryMethodToUse == null || argsToUse == null) {
        // Need to determine the factory method...
        // Try all methods with this name to see if they match the given arguments.
        factoryClass = ClassUtils.getUserClass(factoryClass);
        Method[] rawCandidates = getCandidateMethods(factoryClass, mbd);
        List<Method> candidateSet = new ArrayList<>();
        for (Method candidate : rawCandidates) {
            if (Modifier.isStatic(candidate.getModifiers()) == isStatic && mbd.isFactoryMethod(candidate)) {
                candidateSet.add(candidate);
            }
        }
        Method[] candidates = candidateSet.toArray(new Method[candidateSet.size()]);
        AutowireUtils.sortFactoryMethods(candidates);
        ConstructorArgumentValues resolvedValues = null;
        boolean autowiring = (mbd.getResolvedAutowireMode() == RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
        int minTypeDiffWeight = Integer.MAX_VALUE;
        Set<Method> ambiguousFactoryMethods = null;
        int minNrOfArgs;
        if (explicitArgs != null) {
            minNrOfArgs = explicitArgs.length;
        } else {
            // We don't have arguments passed in programmatically, so we need to resolve the
            // arguments specified in the constructor arguments held in the bean definition.
            ConstructorArgumentValues cargs = mbd.getConstructorArgumentValues();
            resolvedValues = new ConstructorArgumentValues();
            minNrOfArgs = resolveConstructorArguments(beanName, mbd, bw, cargs, resolvedValues);
        }
        LinkedList<UnsatisfiedDependencyException> causes = null;
        for (Method candidate : candidates) {
            Class<?>[] paramTypes = candidate.getParameterTypes();
            if (paramTypes.length >= minNrOfArgs) {
                ArgumentsHolder argsHolder;
                if (resolvedValues != null) {
                    // Resolved constructor arguments: type conversion and/or autowiring necessary.
                    try {
                        String[] paramNames = null;
                        ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
                        if (pnd != null) {
                            paramNames = pnd.getParameterNames(candidate);
                        }
                        argsHolder = createArgumentArray(beanName, mbd, resolvedValues, bw, paramTypes, paramNames, candidate, autowiring);
                    } catch (UnsatisfiedDependencyException ex) {
                        if (this.beanFactory.logger.isTraceEnabled()) {
                            this.beanFactory.logger.trace("Ignoring factory method [" + candidate + "] of bean '" + beanName + "': " + ex);
                        }
                        // Swallow and try next overloaded factory method.
                        if (causes == null) {
                            causes = new LinkedList<>();
                        }
                        causes.add(ex);
                        continue;
                    }
                } else {
                    // Explicit arguments given -> arguments length must match exactly.
                    if (paramTypes.length != explicitArgs.length) {
                        continue;
                    }
                    argsHolder = new ArgumentsHolder(explicitArgs);
                }
                int typeDiffWeight = (mbd.isLenientConstructorResolution() ? argsHolder.getTypeDifferenceWeight(paramTypes) : argsHolder.getAssignabilityWeight(paramTypes));
                // Choose this factory method if it represents the closest match.
                if (typeDiffWeight < minTypeDiffWeight) {
                    factoryMethodToUse = candidate;
                    argsHolderToUse = argsHolder;
                    argsToUse = argsHolder.arguments;
                    minTypeDiffWeight = typeDiffWeight;
                    ambiguousFactoryMethods = null;
                } else // and explicitly ignore overridden methods (with the same parameter signature).
                if (factoryMethodToUse != null && typeDiffWeight == minTypeDiffWeight && !mbd.isLenientConstructorResolution() && paramTypes.length == factoryMethodToUse.getParameterCount() && !Arrays.equals(paramTypes, factoryMethodToUse.getParameterTypes())) {
                    if (ambiguousFactoryMethods == null) {
                        ambiguousFactoryMethods = new LinkedHashSet<>();
                        ambiguousFactoryMethods.add(factoryMethodToUse);
                    }
                    ambiguousFactoryMethods.add(candidate);
                }
            }
        }
        if (factoryMethodToUse == null) {
            if (causes != null) {
                UnsatisfiedDependencyException ex = causes.removeLast();
                for (Exception cause : causes) {
                    this.beanFactory.onSuppressedException(cause);
                }
                throw ex;
            }
            List<String> argTypes = new ArrayList<>(minNrOfArgs);
            if (explicitArgs != null) {
                for (Object arg : explicitArgs) {
                    argTypes.add(arg != null ? arg.getClass().getSimpleName() : "null");
                }
            } else {
                Set<ValueHolder> valueHolders = new LinkedHashSet<>(resolvedValues.getArgumentCount());
                valueHolders.addAll(resolvedValues.getIndexedArgumentValues().values());
                valueHolders.addAll(resolvedValues.getGenericArgumentValues());
                for (ValueHolder value : valueHolders) {
                    String argType = (value.getType() != null ? ClassUtils.getShortName(value.getType()) : (value.getValue() != null ? value.getValue().getClass().getSimpleName() : "null"));
                    argTypes.add(argType);
                }
            }
            String argDesc = StringUtils.collectionToCommaDelimitedString(argTypes);
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "No matching factory method found: " + (mbd.getFactoryBeanName() != null ? "factory bean '" + mbd.getFactoryBeanName() + "'; " : "") + "factory method '" + mbd.getFactoryMethodName() + "(" + argDesc + ")'. " + "Check that a method with the specified name " + (minNrOfArgs > 0 ? "and arguments " : "") + "exists and that it is " + (isStatic ? "static" : "non-static") + ".");
        } else if (void.class == factoryMethodToUse.getReturnType()) {
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Invalid factory method '" + mbd.getFactoryMethodName() + "': needs to have a non-void return type!");
        } else if (ambiguousFactoryMethods != null) {
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Ambiguous factory method matches found in bean '" + beanName + "' " + "(hint: specify index/type/name arguments for simple parameters to avoid type ambiguities): " + ambiguousFactoryMethods);
        }
        if (explicitArgs == null && argsHolderToUse != null) {
            argsHolderToUse.storeCache(mbd, factoryMethodToUse);
        }
    }
    try {
        Object beanInstance;
        if (System.getSecurityManager() != null) {
            final Object fb = factoryBean;
            final Method factoryMethod = factoryMethodToUse;
            final Object[] args = argsToUse;
            beanInstance = AccessController.doPrivileged(new PrivilegedAction<Object>() {

                @Override
                public Object run() {
                    return beanFactory.getInstantiationStrategy().instantiate(mbd, beanName, beanFactory, fb, factoryMethod, args);
                }
            }, beanFactory.getAccessControlContext());
        } else {
            beanInstance = this.beanFactory.getInstantiationStrategy().instantiate(mbd, beanName, this.beanFactory, factoryBean, factoryMethodToUse, argsToUse);
        }
        if (beanInstance == null) {
            return null;
        }
        bw.setBeanInstance(beanInstance);
        return bw;
    } catch (Throwable ex) {
        throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Bean instantiation via factory method failed", ex);
    }
}

Example 17 with UnsatisfiedDependencyException

use of org.springframework.beans.factory.UnsatisfiedDependencyException in project spring-framework by spring-projects.

the class AbstractAutowireCapableBeanFactory method autowireByType.

/**
	 * Abstract method defining "autowire by type" (bean properties by type) behavior.
	 * <p>This is like PicoContainer default, in which there must be exactly one bean
	 * of the property type in the bean factory. This makes bean factories simple to
	 * configure for small namespaces, but doesn't work as well as standard Spring
	 * behavior for bigger applications.
	 * @param beanName the name of the bean to autowire by type
	 * @param mbd the merged bean definition to update through autowiring
	 * @param bw BeanWrapper from which we can obtain information about the bean
	 * @param pvs the PropertyValues to register wired objects with
	 */
protected void autowireByType(String beanName, AbstractBeanDefinition mbd, BeanWrapper bw, MutablePropertyValues pvs) {
    TypeConverter converter = getCustomTypeConverter();
    if (converter == null) {
        converter = bw;
    }
    Set<String> autowiredBeanNames = new LinkedHashSet<>(4);
    String[] propertyNames = unsatisfiedNonSimpleProperties(mbd, bw);
    for (String propertyName : propertyNames) {
        try {
            PropertyDescriptor pd = bw.getPropertyDescriptor(propertyName);
            // even if it technically is a unsatisfied, non-simple property.
            if (Object.class != pd.getPropertyType()) {
                MethodParameter methodParam = BeanUtils.getWriteMethodParameter(pd);
                // Do not allow eager init for type matching in case of a prioritized post-processor.
                boolean eager = !PriorityOrdered.class.isAssignableFrom(bw.getWrappedClass());
                DependencyDescriptor desc = new AutowireByTypeDependencyDescriptor(methodParam, eager);
                Object autowiredArgument = resolveDependency(desc, beanName, autowiredBeanNames, converter);
                if (autowiredArgument != null) {
                    pvs.add(propertyName, autowiredArgument);
                }
                for (String autowiredBeanName : autowiredBeanNames) {
                    registerDependentBean(autowiredBeanName, beanName);
                    if (logger.isDebugEnabled()) {
                        logger.debug("Autowiring by type from bean name '" + beanName + "' via property '" + propertyName + "' to bean named '" + autowiredBeanName + "'");
                    }
                }
                autowiredBeanNames.clear();
            }
        } catch (BeansException ex) {
            throw new UnsatisfiedDependencyException(mbd.getResourceDescription(), beanName, propertyName, ex);
        }
    }
}

Example 18 with UnsatisfiedDependencyException

use of org.springframework.beans.factory.UnsatisfiedDependencyException in project spring-framework by spring-projects.

the class AutowiredAnnotationBeanPostProcessorTests method testCustomAnnotationRequiredMethodResourceInjectionFailsWhenNoDependencyFound.

@Test
public void testCustomAnnotationRequiredMethodResourceInjectionFailsWhenNoDependencyFound() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setAutowiredAnnotationType(MyAutowired.class);
    bpp.setRequiredParameterName("optional");
    bpp.setRequiredParameterValue(false);
    bpp.setBeanFactory(bf);
    bf.addBeanPostProcessor(bpp);
    bf.registerBeanDefinition("customBean", new RootBeanDefinition(CustomAnnotationRequiredMethodResourceInjectionBean.class));
    try {
        bf.getBean("customBean");
        fail("Should have thrown UnsatisfiedDependencyException");
    } catch (UnsatisfiedDependencyException ex) {
        // expected
        assertSame(CustomAnnotationRequiredMethodResourceInjectionBean.class, ex.getInjectionPoint().getMethodParameter().getDeclaringClass());
    }
    bf.destroySingletons();
}

Example 19 with UnsatisfiedDependencyException

use of org.springframework.beans.factory.UnsatisfiedDependencyException in project spring-framework by spring-projects.

the class InjectAnnotationAutowireContextTests method testAutowiredFieldDoesNotResolveWithBaseQualifierAndNonDefaultValueAndMultipleMatchingCandidates.

@Test
public void testAutowiredFieldDoesNotResolveWithBaseQualifierAndNonDefaultValueAndMultipleMatchingCandidates() {
    GenericApplicationContext context = new GenericApplicationContext();
    ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
    cavs1.addGenericArgumentValue("the real juergen");
    RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
    person1.addQualifier(new AutowireCandidateQualifier(Qualifier.class, "juergen"));
    ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
    cavs2.addGenericArgumentValue("juergen imposter");
    RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
    person2.addQualifier(new AutowireCandidateQualifier(Qualifier.class, "juergen"));
    context.registerBeanDefinition("juergen1", person1);
    context.registerBeanDefinition("juergen2", person2);
    context.registerBeanDefinition("autowired", new RootBeanDefinition(QualifiedConstructorArgumentWithBaseQualifierNonDefaultValueTestBean.class));
    AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
    try {
        context.refresh();
        fail("expected BeanCreationException");
    } catch (BeanCreationException e) {
        assertTrue(e instanceof UnsatisfiedDependencyException);
        assertEquals("autowired", e.getBeanName());
    }
}

Example 20 with UnsatisfiedDependencyException

use of org.springframework.beans.factory.UnsatisfiedDependencyException in project spring-framework by spring-projects.

the class InjectAnnotationAutowireContextTests method testAutowiredConstructorArgumentWithMultipleNonQualifiedCandidates.

@Test
public void testAutowiredConstructorArgumentWithMultipleNonQualifiedCandidates() {
    GenericApplicationContext context = new GenericApplicationContext();
    ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
    cavs1.addGenericArgumentValue(JUERGEN);
    RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
    ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
    cavs2.addGenericArgumentValue(MARK);
    RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
    context.registerBeanDefinition(JUERGEN, person1);
    context.registerBeanDefinition(MARK, person2);
    context.registerBeanDefinition("autowired", new RootBeanDefinition(QualifiedConstructorArgumentTestBean.class));
    AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
    try {
        context.refresh();
        fail("expected BeanCreationException");
    } catch (BeanCreationException e) {
        assertTrue(e instanceof UnsatisfiedDependencyException);
        assertEquals("autowired", e.getBeanName());
    }
}