Java tutorial
/* * Copyright 2002-2018 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.beans.factory; import org.springframework.beans.FatalBeanException; import org.springframework.lang.Nullable; /** * Exception thrown when the BeanFactory cannot load the specified class * of a given bean. * * @author Juergen Hoeller * @since 2.0 */ @SuppressWarnings("serial") public class CannotLoadBeanClassException extends FatalBeanException { @Nullable private final String resourceDescription; private final String beanName; @Nullable private final String beanClassName; /** * Create a new CannotLoadBeanClassException. * @param resourceDescription description of the resource * that the bean definition came from * @param beanName the name of the bean requested * @param beanClassName the name of the bean class * @param cause the root cause */ public CannotLoadBeanClassException(@Nullable String resourceDescription, String beanName, @Nullable String beanClassName, ClassNotFoundException cause) { super("Cannot find class [" + beanClassName + "] for bean with name '" + beanName + "'" + (resourceDescription != null ? " defined in " + resourceDescription : ""), cause); this.resourceDescription = resourceDescription; this.beanName = beanName; this.beanClassName = beanClassName; } /** * Create a new CannotLoadBeanClassException. * @param resourceDescription description of the resource * that the bean definition came from * @param beanName the name of the bean requested * @param beanClassName the name of the bean class * @param cause the root cause */ public CannotLoadBeanClassException(@Nullable String resourceDescription, String beanName, @Nullable String beanClassName, LinkageError cause) { super("Error loading class [" + beanClassName + "] for bean with name '" + beanName + "'" + (resourceDescription != null ? " defined in " + resourceDescription : "") + ": problem with class file or dependent class", cause); this.resourceDescription = resourceDescription; this.beanName = beanName; this.beanClassName = beanClassName; } /** * Return the description of the resource that the bean * definition came from. */ @Nullable public String getResourceDescription() { return this.resourceDescription; } /** * Return the name of the bean requested. */ public String getBeanName() { return this.beanName; } /** * Return the name of the class we were trying to load. */ @Nullable public String getBeanClassName() { return this.beanClassName; } }