java.lang.reflect.InvocationTargetException

Question

刚学SSH，环境已经搭建好，本人菜鸟，不懂怎么个情况，求大牛赐教！
下面是错误代码：
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception java.lang.reflect.InvocationTargetException
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)
com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor
........
java.lang.NoClassDefFoundError: antlr/ANTLRException
org.hibernate.hql.ast.ASTQueryTranslatorFactory.createQueryTranslator(ASTQueryTranslatorFactory.java:58)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:98)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:124)
org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1770)
org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate(HibernateTemplate.java:914)
........
java.lang.ClassNotFoundException: antlr.ANTLRException
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
org.hibernate.hql.ast.ASTQueryTranslatorFactory.createQueryTranslator(ASTQueryTranslatorFactory.java:58)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:98)
org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:124)
org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1770)
org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate(HibernateTemplate.java:914)
org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate(HibernateTemplate.java:1)
org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)
org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:912)
.......

Answer 1

java.lang.NoClassDefFoundError: antlr/ANTLRException
缺少antlr包

Answer 2

下个antlr-2.7.6.jar加进去 或者看看你tomcat工程下发布时是否发布上去了

Answer 3

antlr包具体什么用？我写的别的类似的功能怎么没错误呢

Answer 4

antlr-2.7.6.jar已经加进来了，可是还是那个错误，控制台依然输出错误，每次运行到DAO2
ssssssssssssSERVICE
sssssssssssshql
15:32:37,015 ERROR com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor 38 - 
java.lang.reflect.InvocationTargetException
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)

Answer 5

  换个 struts2 jar包 

Answer 6

   不是  是xwork 版本的jar包、

Answer 7

用的是xwork-core-2.2.1.1.jar，换成哪个？

Answer 8

谢谢大家，问题已经解决：
1.包的版本冲突，antlr-2.7.6.jar换了一个后，原来的错误消失