Don't serialize a data sources ;) Use the "transient" key word.
Dennis Byrne >-----Original Message----- >From: Yasushi Okubo [mailto:[EMAIL PROTECTED] >Sent: Wednesday, May 3, 2006 11:55 AM >To: 'MyFaces Discussion' >Subject: NotSerializableException from PoolingDataSource > > >Hi, experts > >My backing bean needs to connect to database through connection >pool/DataSource on tomcat (v5.5.16). Now I changed my backing beans >from session to request scope trying to use t:savestate tag, then I made >them serializable, but it started giving exceptions >[NotSerializableException for >PoolingDataSource$PoolGuardConnectionWrapper}. So, Are there any other >options or work around or am I doing something wrong ? > >Thanks for your help, >yasushi > > Servlet.service() for servlet Faces Servlet threw exception > javax.faces.FacesException: java.io.NotSerializableException: >org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper > at >org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:421) > at >org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:233) > at >org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:219) > at >org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352) > at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107) > at >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) > at >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > at >org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122) > at >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) > at >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > at >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) > at >org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) > at >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > at >org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > at >org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) > at >org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > at >org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) > at >org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) > at >org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) > at >org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) > at >org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) > at java.lang.Thread.run(Thread.java:595) >Caused by: org.apache.jasper.JasperException: >java.io.NotSerializableException: >org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper > at >org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510) > at >org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393) > at >org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) > at >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > at >org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) > at >org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) > at >org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) > at >org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) > at >org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:415) > ... 21 more > >
