[jbosstools-issues] [JBoss JIRA] (JBIDE-18328) NPE in VpvDefaultTemplate

Fri Sep 12 16:44:19 EDT 2014

Viacheslav Kabanovich created JBIDE-18328:
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             Summary: NPE in VpvDefaultTemplate
                 Key: JBIDE-18328
                 URL: https://issues.jboss.org/browse/JBIDE-18328
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: visual-page-editor-core
    Affects Versions: 4.2.0.Beta3
            Reporter: Viacheslav Kabanovich

Create html file with text
{code}
<!doctype html>
{code}
Close editor and open file in JBoss Tools HTML Editor.
Failure: 
Exception in thread "Thread-17" java.lang.NullPointerException
	at org.jboss.tools.vpe.preview.core.template.VpvDefaultTemplate.create(VpvDefaultTemplate.java:32)
	at org.jboss.tools.vpe.preview.core.transform.VpvDomBuilder.convertNode(VpvDomBuilder.java:84)
	at org.jboss.tools.vpe.preview.core.transform.VpvDomBuilder.buildVisualModel(VpvDomBuilder.java:48)
	at org.jboss.tools.vpe.preview.core.transform.VpvController.getResource(VpvController.java:60)
	at org.jboss.tools.vpe.preview.core.server.VpvSocketProcessor.processRequest(VpvSocketProcessor.java:83)
	at org.jboss.tools.vpe.preview.core.server.VpvSocketProcessor.run(VpvSocketProcessor.java:68)
	at java.lang.Thread.run(Thread.java:722)

In this case source dom document is not null, but its document element is null. The check (sourceDocument != null) in VpvController passes, and then VpvDomBuilder.buildVisualModel() does not check documentElement for null.

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