Closing a connection for you. Please close them yourself

2014-10-16 19:41:29,669 INFO  [org.jboss.resource.connectionmanager.CachedConnectionManager] (http-127.0.0.1-8080-1) Closing a connection for you.  Please close them yourself: org.jboss.resource.adapter.jdbc.jdk6.WrappedConnectionJDK6@d6a1c7: java.lang.Throwable: STACKTRACE
at org.jboss.resource.connectionmanager.CachedConnectionManager.registerConnection(CachedConnectionManager.java:278) [:6.1.0.Final]
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:524) [:6.1.0.Final]
at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941) [:6.1.0.Final]
at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89) [:6.1.0.Final]
at lrp.serverutils.refs.ServerObject.getConnection(ServerObject.java:50) [:]
at lrp.contract.VendorInvoice.bean.VendorInvoiceBean.checkvendor(VendorInvoiceBean.java:496) [:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_04]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [:1.6.0_04]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_04]
at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_04]
at org.jboss.invocation.Invocation.performCall(Invocation.java:386) [:6.1.0.Final]
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:233) [:6.1.0.Final]
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:156) [:6.1.0.Final]
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:173) [:6.1.0.Final]
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) [:6.1.0.Final]
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) [:6.1.0.Final]
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) [:6.1.0.Final]
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) [:6.1.0.Final]
at org.jboss.ejb.plugins.SecurityInterceptor.process(SecurityInterceptor.java:228) [:6.1.0.Final]
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:211) [:6.1.0.Final]
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.process(PreSecurityInterceptor.java:100) [:6.1.0.Final]
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.invoke(PreSecurityInterceptor.java:84) [:6.1.0.Final]
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) [:6.1.0.Final]
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138) [:6.1.0.Final]
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:650) [:6.1.0.Final]
at org.jboss.ejb.Container.invoke(Container.java:1072) [:6.1.0.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_04]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [:1.6.0_04]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_04]
at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_04]
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) [:6.0.0.GA]
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) [:6.0.0.GA]
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) [:6.0.0.GA]
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:271) [:6.0.0.GA]
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:670) [:6.0.0.GA]
at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169) [:6.1.0.Final]
at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118) [:6.1.0.Final]
at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209) [:6.1.0.Final]
at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195) [:6.1.0.Final]
at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61) [:6.1.0.Final]
at org.jboss.proxy.ejb.SecurityContextInterceptor.invoke(SecurityContextInterceptor.java:64) [:6.1.0.Final]
at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:68) [:6.1.0.Final]
at org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:112) [:6.1.0.Final]
at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:101) [:6.1.0.Final]
at $Proxy303.checkvendor(Unknown Source) at lrp.contract.VendorInvoice.servlet.VendorInvoiceServlet.checkven(VendorInvoiceServlet.java:272)
at lrp.contract.VendorInvoice.servlet.VendorInvoiceServlet.processRequest(VendorInvoiceServlet.java:113)
at lrp.contract.VendorInvoice.servlet.VendorInvoiceServlet.doPost(VendorInvoiceServlet.java:136)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [:1.0.0.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [:1.0.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.1.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.1.0.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [:6.1.0.Final]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.1.0.Final]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.1.0.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159) [:6.1.0.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.1.0.Final]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.1.0.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.1.0.Final]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.1.0.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.1.0.Final]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.1.0.Final]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.1.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_04]

SOLUTION:

Use the connection ,preparedstatement and resultset properly and close the  connection ,preparedstatement and resultset properly.