udayangaS 0 Newbie Poster

hey guys,

i have a problem when am deploying a spring application i tomcat...
i have got exception like this.

Nov 15, 2009 3:43:53 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
Nov 15, 2009 3:43:53 PM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
java.lang.NoSuchFieldError: ruleMemo
	at org.springframework.expression.spel.generated.SpringExpressionsParser.<init>(SpringExpressionsParser.java:94)
	at org.springframework.expression.spel.antlr.SpringExpressionsParserExtender.<init>(SpringExpressionsParserExtender.java:37)
	at org.springframework.expression.spel.antlr.SpelAntlrExpressionParser.<init>(SpelAntlrExpressionParser.java:51)
	at org.springframework.context.expression.StandardBeanExpressionResolver.<init>(StandardBeanExpressionResolver.java:57)
	at org.springframework.context.support.AbstractApplicationContext.prepareBeanFactory(AbstractApplicationContext.java:441)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:427)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:341)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
	at javax.servlet.GenericServlet.init(GenericServlet.java:212)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
Nov 15, 2009 3:43:53 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Allocate exception for servlet dispatcher
java.lang.NoSuchFieldError: ruleMemo
	at org.springframework.expression.spel.generated.SpringExpressionsParser.<init>(SpringExpressionsParser.java:94)
	at org.springframework.expression.spel.antlr.SpringExpressionsParserExtender.<init>(SpringExpressionsParserExtender.java:37)
	at org.springframework.expression.spel.antlr.SpelAntlrExpressionParser.<init>(SpelAntlrExpressionParser.java:51)
	at org.springframework.context.expression.StandardBeanExpressionResolver.<init>(StandardBeanExpressionResolver.java:57)
	at org.springframework.context.support.AbstractApplicationContext.prepareBeanFactory(AbstractApplicationContext.java:441)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:427)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:341)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
	at javax.servlet.GenericServlet.init(GenericServlet.java:212)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)

plz help me to solve this, i think it is something about antlr.