[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3011) s:graphicImage throws NullPointerException GraphicImageResource.doWork when el expression for value is null

[Coral Featherstone (JIRA)]

s:graphicImage throws 	 NullPointerException GraphicImageResource.doWork when el expression for value is null
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                 Key: JBSEAM-3011
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-3011
             Project: Seam
          Issue Type: Bug
    Affects Versions: 2.0.1.GA
         Environment: all
            Reporter: Coral Featherstone


An exception is thrown when s:graphicImage value is given an EL expression, part or all of which is null.
.

We are using s:graphicImage in a rich:modalPanel as the edit part of the crud and it relies on the selected row of a rich:datatable to get the image bytes. When no row is selected the following stack is thrown.

16:21:56,818 ERROR [ContextualHttpServletRequest] ended request due to exception
java.lang.NullPointerException
	at org.jboss.seam.ui.graphicImage.GraphicImageResource.doWork(GraphicImageResource.java:69)
	at org.jboss.seam.ui.graphicImage.GraphicImageResource.access$000(GraphicImageResource.java:30)
	at org.jboss.seam.ui.graphicImage.GraphicImageResource$1.process(GraphicImageResource.java:53)
	at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:53)
	at org.jboss.seam.ui.graphicImage.GraphicImageResource.getResource(GraphicImageResource.java:48)
	at org.jboss.seam.servlet.SeamResourceServlet.doGet(SeamResourceServlet.java:69)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
	at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
	at org.ajax4jsf.Filter.doFilter(Filter.java:175)
	at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Thread.java:619)




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