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From Kurt Edegger <news_t...@edegger.com>
Subject <h:inputTextarea> bug?
Date Wed, 21 Dec 2005 00:48:33 GMT
Hi everyone,

I ran into a problem by using the inputTextarea component of myfaces-1.1.1.
I simply like to display some editable text by adding

<h:inputTextarea id="patientHistory" rows="#{configBean.patientHistoryHeight}" cols="#{configBean.patientHistoryWidth}"
value="#{bean.patientHistory}"/>

to my jsp page. The application crashed with an ClassCastException [1] while retrieving the
attribute cols for the tag.
The two methods configBean.getPatientHistoryHeight and configBean.getPatientHistoryWidth are
returning two Strings like "10" and "40" respectively. I double checked this by adding

<h:outputText value="#{configBean.patientHistoryHeight}"/> by
<h:outputText value="#{configBean.patientHistoryWidth}"/>

to my page, which renders properly showing: 10 by 40

If I replace the value bindings for rows and cols by actual numbers, the application works
fine.

Any ideas why I can't use value bindings, which are returning string values, with the inputTextarea
component??

Thank you for your help in advance,

     Kurt

[1] here's the shortened stacktrace:
javax.faces.FacesException: Could not get property rows of component buttonform:patientHistory
  at javax.faces.component._ComponentAttributesMap.getComponentProperty(_ComponentAttributesMap.java:226)
  at javax.faces.component._ComponentAttributesMap.get(_ComponentAttributesMap.java:128)
[...snip...]
Caused by: java.lang.reflect.InvocationTargetException
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:324)
  at javax.faces.component._ComponentAttributesMap.getComponentProperty(_ComponentAttributesMap.java:221)
  ... 71 more
Caused by: java.lang.ClassCastException
  at javax.faces.component.html.HtmlInputTextarea.getRows(HtmlInputTextarea.java:321)
  ... 76 more
ERROR: Servlet.service() for servlet Faces Servlet threw exception (2005-12-20 16:22:44,156
http-8080-Processor24_org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/sakai-ecgviewer-tool].[Faces
Servlet])
javax.faces.FacesException: Could not get property rows of component buttonform:patientHistory
  at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:421)
  at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234)
  at org.sakaiproject.jsf.app.SakaiViewHandler.renderView(SakaiViewHandler.java:140)
[...snip...]
Caused by: org.apache.jasper.JasperException: Could not get property rows of component buttonform:patientHistory
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
[...snip...]
ERROR: Servlet.service() for servlet sakai.ecgviewer.tool threw exception (2005-12-20 16:22:44,171
http-8080-Processor24_org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/sakai-ecgviewer-tool].[sakai.ecgviewer.tool])
javax.faces.FacesException: Could not get property rows of component buttonform:patientHistory
  at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:421)
  at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234)
  at org.sakaiproject.jsf.app.SakaiViewHandler.renderView(SakaiViewHandler.java:140)
[...snip...]
Caused by: org.apache.jasper.JasperException: Could not get property rows of component buttonform:patientHistory
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
[...snip...]


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