求解一个异常:java.lang.ClassNotFoundException: javax.el.FunctionMapper
异常信息如下:
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.jbpm.api.ProcessEngine org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine()] threw exception; nested exception is java.lang.NoClassDefFoundError: javax/el/FunctionMapper
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:581)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:983)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:879)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.beyondsoft.test.FirstTest.main(FirstTest.java:15)
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.jbpm.api.ProcessEngine org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine()] threw exception; nested exception is java.lang.NoClassDefFoundError: javax/el/FunctionMapper
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:157)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:570)
... 14 more
Caused by: java.lang.NoClassDefFoundError: javax/el/FunctionMapper
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at org.jbpm.pvm.internal.util.ReflectUtil.classForName(ReflectUtil.java:434)
at org.jbpm.pvm.internal.wire.descriptor.ObjectDescriptor.getType(ObjectDescriptor.java:241)
at org.jbpm.pvm.internal.wire.WireDefinition.addDescriptor(WireDefinition.java:88)
at org.jbpm.pvm.internal.wire.xml.WireParser.parseDocumentElement(WireParser.java:208)
at org.jbpm.pvm.internal.cfg.ConfigurationParser.parseDocument(ConfigurationParser.java:101)
at org.jbpm.pvm.internal.xml.Parser.execute(Parser.java:432)
at org.jbpm.pvm.internal.xml.Parse.execute(Parse.java:158)
at org.jbpm.pvm.internal.cfg.ConfigurationParser.parseDocument(ConfigurationParser.java:86)
at org.jbpm.pvm.internal.xml.Parser.execute(Parser.java:432)
at org.jbpm.pvm.internal.xml.Parse.execute(Parse.java:158)
at org.jbpm.pvm.internal.cfg.ConfigurationImpl.parse(ConfigurationImpl.java:137)
at org.jbpm.pvm.internal.cfg.ConfigurationImpl.setResource(ConfigurationImpl.java:116)
at org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine(SpringHelper.java:50)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:145)
... 15 more
Caused by: java.lang.ClassNotFoundException: javax.el.FunctionMapper
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:303)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
... 35 more
百思不得其解, 求解各位高人.
[解决办法]
缺包，没有相应的类，框架反射类后转换时出错了
[解决办法]
FunctionMapper找不到这个类,jar包没导到工程里吧。
[解决办法]
请导入所有需要的包
