com.microsoft.sqlserver.jdbc.SQLServerException: 该连接已关闭。

    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:130)

    at com.microsoft.sqlserver.jdbc.SQLServerConnection.checkClosed(SQLServerConnection.java:294)

    at com.microsoft.sqlserver.jdbc.SQLServerConnection.prepareStatement(SQLServerConnection.java:1980)

    at com.microsoft.sqlserver.jdbc.SQLServerConnection.prepareStatement(SQLServerConnection.java:1702)

    at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:497)

    at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:415)

    at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)

    at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1538)

    at org.hibernate.loader.Loader.doQuery(Loader.java:661)

    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)

    at org.hibernate.loader.Loader.doList(Loader.java:2211)

    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2095)

    at org.hibernate.loader.Loader.list(Loader.java:2090)

    at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:289)

    at org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1695)

    at org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:142)

    at org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:150)

    at com.standsoft.service.PeisPatientService.GetPatientExamDepart(PeisPatientService.java:484)

    at com.standsoft.btree.Depart.exesql(Depart.java:26)

    at com.standsoft.controller.MainController.target(MainController.java:137)

    at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:601)

    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)

    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)

    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)

    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)

    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)

    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)

    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)

    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)

    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)

    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)

    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)

    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1757)

    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1716)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

    at java.lang.Thread.run(Thread.java:722)

    /**

     * Returns the ThreadLocal Session instance. Lazy initialize the

     * <code>SessionFactory</code> if needed.

     *

     * @return Session

     * @throws HibernateException

     */

    public static Session getSession() throws HibernateException {

        Session session = threadLocal.get();

        if (session == null || !session.isOpen()) {

            if (sessionFactory == null) {

                rebuildSessionFactory();

            }

            session = (sessionFactory != null) ? sessionFactory.openSession() : null;

            threadLocal.set(session);

        }

        return session;

    }

    /**

     * Rebuild hibernate session factory

     *

     */

    public static void rebuildSessionFactory() {

        System.out.println("-------------------------------rebuildSessionFactory----------------------------------");

        try {

            configuration.configure(configFile);

            sessionFactory = configuration.buildSessionFactory();

        } catch (Exception e) {

            System.err.println("%%%% Error Creating SessionFactory %%%%");

            e.printStackTrace();

        }

    }

    <session-factory>

        <property name="dialect">com.standsoft.dialect.DialectForInkfish</property>

        <property name="connection.url">jdbc:sqlserver://localhost:1433;DatabaseName=yanan</property>

        <property name="connection.username">sa</property>

        <property name="connection.password">yanan</property>

        <property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>

        <property name="myeclipse.connection.profile">sql2008-4</property>

        <property name="show_sql">true</property>

        <property name="format_sql">true</property>

        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>

        <property name="hibernate.c3p0.min_size">1</property> 

        <property name="hibernate.c3p0.max_size">200</property> 

        <!-- Seconds a Connection can remain pooled but unused before being discarded. Zero means idle connections never expire. [See "Basic Pool Configuration"] -->

        <property name="hibernate.c3p0.time_out">5</property> 

        <!-- The size of c3p0's global PreparedStatement cache. -->

        <property name="hibernate.c3p0.max_statements">200</property> 

    </session-factory>