MyFaces 2.2.3 2.2.4
jetty-maven-plugin:8.1.15.v20140411
Getting NPE when Flow Scope parameter evaluates to null.
If no value is entered for firstName before “continue” on
campaigns/campaigns.xhtml is clicked, the NPE below thrown. Otherwise the
page2.xhtml is displayed as expected.
***
* campaigns/campaigns.xhtml
***
h:outputLabel for=firstName value=First Name /
h:inputText id=firstName value=#{flowScope.firstName}
maxlength=10 /
h:commandButton value=“Continue” action=“page2” /
***
* campaigns/page2.xhtml
***
h:commandButton value=“Exit action=campaigns-return /
h:outputLabel for=firstName value=First Name /
h:inputText id=“firstName value=#{flowScope.firstName}
maxlength=10 /
***
* Error displayed when page2.xhtml is returned and firstName is null
***
java.lang.NullPointerException
viewId=/campaigns/campaigns.xhtml
location=/Users/paul/Documents/workspace-4.3.2/VenderRollsImporterMockUp/src/main/webapp/campaigns/campaigns.xhtml
phaseId=UPDATE_MODEL_VALUES(4)
Caused by:
java.lang.NullPointerException - java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1124)
HtmlInputText class=class javax.faces.component.html.HtmlInputText”
clientId=j_id_s:firstName disabled=false id=firstName immediate=false
inView=true localValueSet=true maxlength=10 readonly=false
rendered=true required=false size=-2147483648 transient=false
valid=false value=#{flowScope.firstName}
location=/campaigns/campaigns.xhtml at line 76 and column 82/ - State
size:246 bytes
***
* Scopes Value
***
Request Parameters
Name Value
j_id_s:firstName
j_id_s:j_id_x Continue
j_id_s_SUBMIT 1
jfwid -lbh0f813a
Is this normal?
Paul Spencer
