ssh:对于java.lang.NoSuchMethodError: antlr.collections.AST.getLine()I错误解决

出错页面提示：

HTTP Status 500 – Internal Server Error

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Type Exception Report

Message Servlet execution threw an exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: Servlet execution threw an exceptionorg.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)com.ssh.common.EncodingFilter.doFilter(EncodingFilter.java:26)

Root Cause

java.lang.NoSuchMethodError: antlr.collections.AST.getLine()Iorg.hibernate.hql.ast.HqlSqlWalker.generatePositionalParameter(HqlSqlWalker.java:896)org.hibernate.hql.antlr.HqlSqlBaseWalker.parameter(HqlSqlBaseWalker.java:4819)org.hibernate.hql.antlr.HqlSqlBaseWalker.expr(HqlSqlBaseWalker.java:1373)org.hibernate.hql.antlr.HqlSqlBaseWalker.exprOrSubquery(HqlSqlBaseWalker.java:4243)org.hibernate.hql.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:3725)org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1864)org.hibernate.hql.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:818)org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:604)org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:288)org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:231)org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:254)org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185)org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:94)org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1651)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)org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:908)com.ssh.user.UserDAO.findByProperty(UserDAO.java:85)com.ssh.user.UserDAO.findByUsername(UserDAO.java:93)com.ssh.struts.action.RegisterAction.execute(RegisterAction.java:54)org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)javax.servlet.http.HttpServlet.service(HttpServlet.java:661)javax.servlet.http.HttpServlet.service(HttpServlet.java:742)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)com.ssh.common.EncodingFilter.doFilter(EncodingFilter.java:26)

Note The full stack trace of the root cause is available in the server logs.

出错具体原因

是SSH里面的Structs1.2（低版本）和Hibernate3.3（高版本）中的引用JAR包里antlr包版本不同产生冲突

解决方式

1. 将二者中低版本的被另一个替换掉（我用的）；
2. 在项目属性里把java build path里，把类库的位子调整了一下，把hibernate库调到最上面去；
3.  
• antlr-2.7.2.jar是MyEclipse自带的Struts2的Core库里的jar包，想彻底解决问题，可以去MyEclipse存放Struts2 Core包的目录中把antlr-2.7.2.jar之外的其他Jar包都考到一个目录中，然后创建用户库，以后每次添加Struts2的时候选择用户库即可。
•  
• 同时，必须删除Web发布目录下的lib/中的antlr-2.7.2.jar

                     4.        删除低版本的包