[JBoss-dev] MYSQL database connection within JBoss application(using JSF)
I hope i am writing this question into the correct place.
<br>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.
<br>But this error message is shown on the web browser after i ran the
program.
<br><br>Exception :
<br>javax.servlet.ServletException : Cannot get value for expression
'#{homeBean.taskInstances}'
<br>javax.faces.webapp.FacesServlet.service(FacesServlet.java:109)
<br>org.jbpm.webapp.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:55)
<br>org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)
<br>org.jbpm.webapp.filter.LogFilter.doFilter(LogFilter.java:59)
<br>org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
<br><br>root cause:
<br>javax.faces.facesException: Cannot get value for expression
'#{homeBean.taskInstances}'
<br>org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:421)
<br>org.apache.myfaces.application.jsp.JspViewhandlerImpl.renderView(JspViewHandlerImpl.java:234)
<br>org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)
<br>javax.faces.webapp.FacesServlet.service(facesServlet.java:95)
<brZorg.jbpm.webapp.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:55)
<br>org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)
<br>org.jbpm.webapp.filter.LogFilter.doFilter(LogFilter.java:59)
<br>org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
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