QueryTagSupport does not close statements correctly

Issue

I have a java application using SQL from a JSP. It seems I have memory leak issues as apparent from the error message below that I get in my logs.

WARN  [org.jboss.jca.adapters.jdbc.WrappedConnection] (http--10.xx.xx.xx-8090-1) Closing a statement you left open, please do your own housekeeping: java.lang.Throwable: STACKTRACE
    at org.jboss.jca.adapters.jdbc.WrappedConnection.registerStatement(WrappedConnection.java:1672)
    at org.jboss.jca.adapters.jdbc.WrappedStatement.<init>(WrappedStatement.java:101)
    at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.<init>(WrappedPreparedStatement.java:69)
    at org.jboss.jca.adapters.jdbc.jdk6.WrappedPreparedStatementJDK6.<init>(WrappedPreparedStatementJDK6.java:52)
    at org.jboss.jca.adapters.jdbc.jdk6.WrappedConnectionJDK6.wrapPreparedStatement(WrappedConnectionJDK6.java:79)
    at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:404)
    at com.innotrac.ssp.ui.OrderSearchAdmin.doPost(OrderSearchAdmin.java:172) [classes:]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
    at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
    at java.lang.Thread.run(Thread.java:619) [rt.jar:1.6.0_05]