seguinte galera
eu to tentando fazer um guest book
tem um metodo, que grava e outro que pega os dados do banco
quando inicia o jsp, ele entra e pega os dados do banco numa boa
mas apos algum tempo se eu dou f5 (refresh) ou cadastro uma nova mensagem (depende do tempo) ele da o seguinte erro que noa faco menor ideia do que seja
No operations allowed after connection closed. Connection was
closed explicitly by the application at the following location: ** BEGIN
NESTED EXCEPTION ** java.lang.Throwable STACKTRACE: java.lang.
Throwable at com.mysql.jdbc.Connection.close(Connection.java:1123)
at org.apache.jsp.index_jsp.Close(index_jsp.java:46) at org.apache.jsp.
index_jsp._jspService(index_jsp.java:228) at org.apache.jasper.runtime.
HttpJspBase.service(HttpJspBase.java:94) at javax.servlet.http.
HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.
JspServletWrapper.service(JspServletWrapper.java:324) at org.apache.
jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) at org.
apache.jasper.servlet.JspServlet.service(JspServlet.java:236) at javax.
servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.
catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterCha
in.java:237) at org.apache.catalina.core.ApplicationFilterChain.
doFilter(ApplicationFilterChain.java:157) at org.netbeans.modules.web.
monitor.server.MonitorFilter.doFilter(MonitorFilter.java:362) at org.apache
.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain
.java:186) at org.apache.catalina.core.ApplicationFilterChain.
doFilter(ApplicationFilterChain.java:157) at org.apache.catalina.core.
StandardWrapperValve.invoke(StandardWrapperValve.java:214) 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:16
0) at org.apache.coyote.http11.Http11Processor.process(Http11Process
or.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:6
83) at java.lang.Thread.run(Thread.java:595) ** END NESTED
EXCEPTION **