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https://issues.jboss.org/browse/RF-13647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971773#comment-12971773
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santhosh siravuri commented on RF-13647:
----------------------------------------
Ok, After testing it some more, I could reproduce the issue. It is being caused
by a4j:commandButton with type="button" anywhere in the page.
In the attached project edit index.xhtml and add a line and it throws the above
mentioned exception.
{code}
h:commandLink: <h:commandLink action="#{campaignBean.campaignDownload()}"
value="File to download"/>
<a4j:commandButton execute="@this" value="hello" type="button"/>
{code}
Basically if you have a commandButton with type anything other than submit, it
fails.
It happens only with RF 4.3.6 and 4.3.7. on 4.3.5 it works fine.
> File Download throws exception
> ------------------------------
>
> Key: RF-13647
> URL: https://issues.jboss.org/browse/RF-13647
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-input
> Affects Versions: 4.3.6
> Environment: Richfaces 4.3.6 Final.
> Mojarra - 2.1.28
> Weblogic 12.1.2
> Windows 7
> Reporter: santhosh siravuri
> Assignee: Jiří Štefek
> Priority: Critical
> Labels: waiting_on_user
> Attachments: RF-13647.zip
>
>
> File download action throws below exception.
> {code}
> ]] Root cause of ServletException.
> java.lang.NullPointerException
> at
> org.richfaces.renderkit.AjaxCommandRendererBase.isSubmitted(AjaxCommandRendererBase.java:83)
> at
> org.richfaces.renderkit.AjaxCommandRendererBase.doDecode(AjaxCommandRendererBase.java:59)
> at org.richfaces.renderkit.RendererBase.decode(RendererBase.java:80)
> at
> javax.faces.component.UIComponentBase.decode(UIComponentBase.java:789)
> at
> javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1183)
> Truncated. see log file for complete stacktrace
> {code}
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