I'm trying to use the token component on a form to ensure that a user
doesn't submit the form more than once. Whenever I try and submit the
form a second time, I get a NPE. I'm using it in Clay, if that makes
any difference. The code is simply:
<form>
<span jsfid="token" id="token" />
<span jsfid="message" for="token" class="validation-msg" />
...
</form>
I'm using the 1.0.3-SNAPSHOT jars from the maven-snapshot-repository,
last updated on April 19th. Any ideas why I'm getting the below NPE?
Thanks,
Rich
java.lang.NullPointerException: expr
at
javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:210)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:200)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(HtmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.getOutputLabelMap(HtmlMessageRenderer.java:184)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.findInputLabel(HtmlMessageRenderer.java:128)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessagesRenderer.getSummary(HtmlMessagesRenderer.java:54)
at
org.apache.myfaces.renderkit.html.HtmlMessageRendererBase.renderSingleFacesMessage(HtmlMessageRendererBase.java:101)
at
org.apache.myfaces.renderkit.html.HtmlMessagesRendererBase.renderList(HtmlMessagesRendererBase.java:94)
at
org.apache.myfaces.renderkit.html.HtmlMessagesRendererBase.renderMessages(HtmlMessagesRendererBase.java:75)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessagesRenderer.encodeEnd(HtmlMessagesRenderer.java:42)
at
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:331)
at
org.apache.shale.clay.component.Clay.recursiveRenderChildren(Clay.java:379)
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