MYSQL database connection within JBoss application(using JSF)
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Posted By:   Anonymous
Posted On:   Thursday, July 20, 2006 12:36 AM

I hope i am writing this question into the correct place. I am trying to make an application with JBoss. I have to establish connection with MYSQL database.I found some articles about how to connect to MYSQL database and i believe that i did everything correct. But this error message is shown on the web browser after i ran the program. Exception : javax.servlet.ServletException : Cannot get value for expression '#{homeBean.taskInstances}' javax.faces.webapp.FacesServlet.service(FacesServlet.java:109) org.jbpm.webapp.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:55) org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83) org.j   More>>

I hope i am writing this question into the correct place.

I am trying to make an application with JBoss. I have to establish connection with MYSQL database.I found some articles about how to connect to MYSQL database and i believe that i did everything correct.

But this error message is shown on the web browser after i ran the program.



Exception :

javax.servlet.ServletException : Cannot get value for expression '#{homeBean.taskInstances}'

javax.faces.webapp.FacesServlet.service(FacesServlet.java:109)

org.jbpm.webapp.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:55)

org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)

org.jbpm.webapp.filter.LogFilter.doFilter(LogFilter.java:59)

org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)



root cause:

javax.faces.facesException: Cannot get value for expression '#{homeBean.taskInstances}'

org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:421)

org.apache.myfaces.application.jsp.JspViewhandlerImpl.renderView(JspViewHandlerImpl.java:234)

org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)

javax.faces.webapp.FacesServlet.service(facesServlet.java:95)


org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)

org.jbpm.webapp.filter.LogFilter.doFilter(LogFilter.java:59)

org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)

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