Exception in thread "main" org. springframework. Beans. Factory. beancreationexpiration t in spring

This problem occurs when spring is started:

Exception in thread "Main" org. springframework. beans. factory. beancreationexception: Error creating bean with name 'helloworldbean' defined in file [C:/WL/spring04-08/src/applicationcontext. XML]: initialization of bean failed; Nested exception is Org. springframework. AOP. framework. aopconfigexception: Couldn't generate cglib subclass of class [class COM. spring. AOP. helloworld]: common causes of this problem include using a final class or a non-visible class; Nested exception is net. SF. cglib. core. codegenerationexception: Java. lang. reflect. invocationtargetexception --> null
Caused by: Org. springframework. AOP. framework. aopconfigexception: Couldn't generate cglib subclass of class [class COM. spring. AOP. helloworld]: common causes of this problem include using a final class or a non-visible class; Nested exception is net. SF. cglib. core. codegenerationexception: Java. lang. reflect. invocationtargetexception --> null
Caused by: net. SF. cglib. Core. codegenerationexception: Java. Lang. Reflect. invocationtargetexception --> null
At net. SF. cglib. Core. abstractclassgenerator. Create (abstractclassgenerator. Java: 237)
At net. SF. cglib. Proxy. enhancer. createhelper (enhancer. Java: 377)
At net. SF. cglib. Proxy. enhancer. Create (enhancer. Java: 285)
At org. springframework. AOP. Framework. cglib2aopproxy. getproxy (cglib2aopproxy. Java: 196)
At org. springframework. AOP. Framework. proxyfactory. getproxy (proxyfactory. Java: 110)
At org. springframework. AOP. Framework. autoproxy. abstractautoproxycreator. createproxy (abstractautoproxycreator. Java: 429)
At org. springframework. AOP. Framework. autoproxy. abstractautoproxycreator. postprocessafterinitialization (abstractautoproxycreator. Java: 299)
At org. springframework. Beans. Factory. Support. abstractautowirecapablebeanfactory. applybeanpostprocessorsafterinitialization (abstractautowirecapablebeanfactory. Java: 315)
At org. springframework. Beans. Factory. Support. abstractautowirecapablebeanfactory. initializebean (abstractautowirecapablebeanfactory. Java: 1181)
At org. springframework. Beans. Factory. Support. abstractautowirecapablebeanfactory. createbean (abstractautowirecapablebeanfactory. Java: 428)
At org. springframework. Beans. Factory. Support. abstractbeanfactory $1. GetObject (abstractbeanfactory. Java: 251)
At org. springframework. Beans. Factory. Support. defaultsingletonbeanregistry. getsingleton (defaultsingletonbeanregistry. Java: 156)
At org. springframework. Beans. Factory. Support. abstractbeanfactory. getbean (abstractbeanfactory. Java: 248)
At org. springframework. Beans. Factory. Support. abstractbeanfactory. getbean (abstractbeanfactory. Java: 160)
At org. springframework. Beans. Factory. Support. defaultlistablebeanfactory. preinstantiatesingletons (defaultlistablebeanfactory. Java: 287)
At org. springframework. Context. Support. abstractapplicationcontext. Refresh (abstractapplicationcontext. Java: 352)
At org. springframework. Context. Support. filesystemxmlapplicationcontext. <init> (filesystemxmlapplicationcontext. Java: 93)
At org. springframework. Context. Support. filesystemxmlapplicationcontext. <init> (filesystemxmlapplicationcontext. Java: 77)
At org. springframework. Context. Support. filesystemxmlapplicationcontext. <init> (filesystemxmlapplicationcontext. Java: 67)
At com. Spring. AOP. proxyfactorybeantest. Main (proxyfactorybeantest. Java: 6)
Caused by: Java. Lang. Reflect. invocationtargetexception
At sun. Reflect. nativemethodaccessorimpl. invoke0 (native method)
At sun. Reflect. nativemethodaccessorimpl. Invoke (unknown source)
At sun. Reflect. delegatingmethodaccessorimpl. Invoke (unknown source)
At java. Lang. Reflect. method. Invoke (unknown source)
At net. SF. cglib. Core. reflectutils. defineclass (reflectutils. Java: 384)
At net. SF. cglib. Core. abstractclassgenerator. Create (abstractclassgenerator. Java: 219)
... 19 more
Caused by: Java. lang. securityexception: Class "com. spring. AOP. helloworld $ enhancerbycglib $ b4b90129 "'s signer information does not match signer information of other classes in the same package
At java. Lang. classloader. checkcerts (unknown source)
At java. Lang. classloader. predefineclass (unknown source)
At java. Lang. classloader. defineclass (unknown source)
... 25 more

 

 

<? XML version = "1.0" encoding = "UTF-8"?>
<Beans
Xmlns = "http://www.springframework.org/schema/beans"
Xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance"
Xsi: schemalocation = "http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<Bean id = "beannameproxycreator"
Class = "org. springframework. AOP. Framework. autoproxy. beannameautoproxycreator">
<Property name = "beannames">
<List>
<Value> * </value>
<! -- Problems are often encountered here, so we can solve these problems... helloworldbean, hellobean, helloworld -->
</List>
</Property>
<Property name = "interceptornames">
<List>
<Value> advice </value>
</List>
</Property>
<Property name = "proxytargetclass">
<Value> true </value>
</Property>

</Bean>
<Bean id = "helloworldbean" class = "com. Spring. AOP. helloworld"> </bean>
<Bean id = "hellobean" class = "com. Spring. AOP. helloworld"> </bean>
<Bean id = "helloworld" class = "com. Spring. AOP. helloworld"> </bean>
<Bean id = "advice" class = "com. Spring. AOP. simplebeforeadvice"> </bean>
</Beans>