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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: Open Session in View problems
PostPosted: Tue Apr 06, 2004 7:28 pm 
Newbie

Joined: Sun Apr 04, 2004 6:13 pm
Posts: 2
i basicly copied the filter from
http://hibernate.org/43.html
but when it comes to
Code:
Context ctx = new InitialContext();
factory = (SessionFactory)ctx.lookup(factoryJndiName);

a classcastexception is thrown while trying to cast a
org.apache.commons.dbcp.BasicDataSource to SessionFactory
Code:
java.lang.ClassCastException
        at org.eg.Persistance.init(Unknown Source)
        at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:272)
        at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:355)
        at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:126)
        at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3644)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4276)
        at org.apache.catalina.core.StandardHostDeployer.start(StandardHostDeployer.java:766)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:1000)
        at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1327)
        at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:578)
        at org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:153)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:257)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:587)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:184)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:206)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:833)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:732)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:619)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:688)
        at java.lang.Thread.run(Thread.java:534)


my resource in server.xml looks like this

Code:
      <Resource name="jdbc/eg" scope="Shareable" type="javax.sql.DataSource"/>
      <ResourceParams name="jdbc/eg">
         <parameter>
            <name>factory</name>
            <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
         </parameter>
      
         <!-- DBCP database connection settings -->
         <parameter>
            <name>url</name>
            <value>jdbc:mysql://localhost/table</value>
         </parameter>
         
         <parameter>
            <name>driverClassName</name>
            <value>com.mysql.jdbc.Driver</value>
         </parameter>
         
         <parameter>
            <name>username</name>
            <value>-</value>
         </parameter>
         
         <parameter>
            <name>password</name>
            <value>-</value>
         </parameter>
      
         <!-- DBCP connection pooling options -->
         <parameter>
            <name>maxWait</name>
            <value>3000</value>
         </parameter>
         <parameter>
            <name>maxIdle</name>
            <value>100</value>
         </parameter>
         <parameter>
            <name>maxActive</name>
            <value>10</value>
         </parameter>
      </ResourceParams>


any assistance ?


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