JSF Core tag convertNumber causing NPE
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Key: MYFACES-1673
URL: https://issues.apache.org/jira/browse/MYFACES-1673
Project: MyFaces Core
Issue Type: Bug
Components: JSR-252
Affects Versions: 1.2.0-SNAPSHOT
Environment: Geronimo 2.0 M6 or Tomcat 6.0.13 Ubuntu 7.0.4 with Sun
JDK 1.5.0_11
Reporter: David Carew
Using the JSF core tag <f:convertNumber /> in a page like this (where the
amount property is an instance of java.math.BigDecimal)
<h:outputText value="#{moneyBean.amount}">
<f:convertNumber type="currency" />
</h:outputText>
causes the following stack trace
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from
fulfilling this request.
exception
javax.servlet.ServletException: An exception occurred processing JSP page
/index.jsp at line 16
13: <f:view>
14: You owe me
15: <h:outputText value="#{moneyBean.amount}">
16: <f:convertNumber type="currency" />
17: </h:outputText>
18: </f:view>
19: </body>
Stacktrace:
javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
root cause
javax.faces.FacesException: An exception occurred processing JSP page
/index.jsp at line 16
13: <f:view>
14: You owe me
15: <h:outputText value="#{moneyBean.amount}">
16: <f:convertNumber type="currency" />
17: </h:outputText>
18: </f:view>
19: </body>
Stacktrace:
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:340)
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
root cause
org.apache.jasper.JasperException: An exception occurred processing JSP page
/index.jsp at line 16
13: <f:view>
14: You owe me
15: <h:outputText value="#{moneyBean.amount}">
16: <f:convertNumber type="currency" />
17: </h:outputText>
18: </f:view>
19: </body>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:524)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:334)
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
root cause
java.lang.NullPointerException
org.apache.myfaces.taglib.core.ConvertNumberTag.createConverter(ConvertNumberTag.java:136)
javax.faces.webapp.ConverterELTag.doStartTag(ConverterELTag.java:59)
org.apache.jsp.index_jsp._jspx_meth_f_005fconvertNumber_005f0(index_jsp.java:184)
org.apache.jsp.index_jsp._jspx_meth_h_005foutputText_005f0(index_jsp.java:153)
org.apache.jsp.index_jsp._jspx_meth_f_005fview_005f0(index_jsp.java:111)
org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:334)
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:254)
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
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