Gary VanMatre wrote:
From: Richard Wallace <[EMAIL PROTECTED]>
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?
It's working with myfaces 1.1.1. The exception points at the findComponent but I would have guessed that we are not populating one of the message component attributes.
Try adding the showSummary attribute to the message component.
<span jsfid="message" for="token" showSummary="true" />
Gary
Ok, I created a small test app to see how the tokens would behave in a
much simpler usage, and it works perfectly, both with plain old JSP and
in Clay. Guess I'll have to crank up the logging and try and sort
through and see what exactly is going on. I'll let you know if I find
anything interesting.
Rich
Thanks,
Rich
java.lang.NullPointerException: expr
at
javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:210)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:200)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.createOutputLabelMap(H
tmlMessageRenderer.java:214)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.getOutputLabelMap(Html
MessageRenderer.java:184)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessageRenderer.findInputLabel(HtmlMes
sageRenderer.java:128)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessagesRenderer.getSummary(HtmlMessag
esRenderer.java:54)
at
org.apache.myfaces.renderkit.html.HtmlMessageRendererBase.renderSingleFacesMessa
ge(HtmlMessageRendererBase.java:101)
at
org.apache.myfaces.renderkit.html.HtmlMessagesRendererBase.renderList(HtmlMessag
esRendererBase.java:94)
at
org.apache.myfaces.renderkit.html.HtmlMessagesRendererBase.renderMessages(HtmlMe
ssagesRendererBase.java:75)
at
org.apache.myfaces.renderkit.html.ext.HtmlMessagesRenderer.encodeEnd(HtmlMessage
sRenderer.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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