Initialization of bean failed when creating a Camel context in Spring
apache-camel, spring
Solution
This usually happens due to different versions of spring modules being used. Using same version for all spring dependencies including the ones in xsd should help.
Problem
I am having trouble creating a plain Camel context in a web application using Spring. I've created a new maven project and deleted my maven repositories before recreating the issue. The only files in the project apart from the ones added by Maven are InitialContext.xml, web.xml and pom.xml. The initial context file looks like: web.xml ``` <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <display-name>CamelSpring</display-name> <context-param> <param-name> contextConfigLocation </param-name> <param-value> /WEB-INF/InitialContext.xml </param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> </web-app> ``` InitialContext.xml ``` <?xml version="1.0" encoding="US-ASCII"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd"> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring"/> </beans> ``` pom.xml ``` <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>nz.co.home</groupId> <artifactId>CamelSpring</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>CamelSpring</name> <url>http://maven.apache.org</url> <properties> <camelVersion>2.10.4</camelVersion> <springVersion>2.5.6.SEC03</springVersion> </properties> <dependencies> <!-- Servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <!-- Camel --> <dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-core</artifactId> <version>${camelVersion}</version> </dependency> <dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-context</artifactId> <version>${camelVersion}</version> </dependency> <dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-spring</artifactId> <version>${camelVersion}</version> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${springVersion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${springVersion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${springVersion}</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.0.2</version> <configuration> <source>1.5</source> <target>1.5</target> </configuration> </plugin> </plugins> </build> </project> ``` I get an error which looks like: ``` Mar 29, 2013 2:40:46 PM org.springframework.web.context.ContextLoader initWebApplicationContext SEVERE: Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'camel': Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:480) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:308) at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:947) at org.springframework.context.support.AbstractApplicationContext.registerListeners(AbstractApplicationContext.java:701) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:377) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:559) at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1399) at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:792) at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1500) at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:849) at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:351) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:563) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.reflect.MalformedParameterizedTypeException at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.validateConstructorArguments(ParameterizedTypeImpl.java:60) at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.<init>(ParameterizedTypeImpl.java:53) at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.make(ParameterizedTypeImpl.java:95) at sun.reflect.generics.factory.CoreReflectionFactory.makeParameterizedType(CoreReflectionFactory.java:105) at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:140) at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49) at sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(ClassRepository.java:100) at java.lang.Class.getGenericInterfaces(Class.java:816) at com.sun.beans.TypeResolver.prepare(TypeResolver.java:289) at com.sun.beans.TypeResolver.<init>(TypeResolver.java:254) at com.sun.beans.TypeResolver.getTypeResolver(TypeResolver.java:235) at com.sun.beans.TypeResolver.resolve(TypeResolver.java:172) at com.sun.beans.TypeResolver.resolveInClass(TypeResolver.java:93) at java.beans.FeatureDescriptor.getParameterTypes(FeatureDescriptor.java:387) at java.beans.MethodDescriptor.setMethod(MethodDescriptor.java:114) at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:72) at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:56) at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1130) at java.beans.Introspector.getBeanInfo(Introspector.java:414) at java.beans.Introspector.getBeanInfo(Introspector.java:161) at org.springframework.beans.CachedIntrospectionResults.<init>(CachedIntrospectionResults.java:220) at org.springframework.beans.CachedIntrospectionResults.forClass(CachedIntrospectionResults.java:144) at org.springframework.beans.BeanWrapperImpl.getCachedIntrospectionResults(BeanWrapperImpl.java:252) at org.springframework.beans.BeanWrapperImpl.getPropertyDescriptorInternal(BeanWrapperImpl.java:282) at org.springframework.beans.BeanWrapperImpl.isWritableProperty(BeanWrapperImpl.java:333) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1247) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472) ... 47 more Mar 29, 2013 2:40:46 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart ``` I've been looking around but I can't find anything that suggests what is wrong with this set up. I'm hoping its just something that I have not added to the pom. Does anyone have any ideas as to how to fix this? SOLUTION ``` <?xml version="1.0" encoding="US-ASCII"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring-2.10.4.xsd"> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring"/> </beans> ```