mysql异常

严重: An exception or error occurred in the container during the request processing
java.lang.ThreadDeath
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1229)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)
	at java.beans.Introspector.instantiate(Introspector.java:1460)
	at java.beans.Introspector.findExplicitBeanInfo(Introspector.java:410)
	at java.beans.Introspector.<init>(Introspector.java:359)
	at java.beans.Introspector.getBeanInfo(Introspector.java:159)
	at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptors(PropertyUtilsBean.java:896)
	at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptors(PropertyUtilsBean.java:926)
	at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:801)
	at org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1119)
	at org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)
	at org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)
	at org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:255)
	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
	at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:619)
析析
2009-8-20 4:31:37 org.apache.catalina.startup.HostConfig restartContext
信息: restartContext(/lesson04)
2009-8-20 4:31:37 org.apache.catalina.core.StandardContext reload
信息: Reloading this Context has started
小小

修改办法：
   说明自己在插入数据时，把方法stmt.executeUpdate()方法，写成了stmt.executeQuery();